./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_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_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/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_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/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_224e0002-04c7-461f-9ae4-3543cd5b7748/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 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:35,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:36,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:27:36,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:27:36,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:27:36,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:36,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:36,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:36,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:36,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:36,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:36,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:36,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:27:36,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:36,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:36,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:36,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:36,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:36,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:36,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:36,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:36,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:36,051 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:27:36,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:27:36,051 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_224e0002-04c7-461f-9ae4-3543cd5b7748/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 -> 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 [2024-11-13 21:27:36,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:36,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:36,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:36,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:36,415 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:36,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i Unable to find full path for "g++" [2024-11-13 21:27:38,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:38,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:38,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2024-11-13 21:27:38,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data/c9c3081fb/fd5def5095d5475ba612aeda509f89e7/FLAG877245017 [2024-11-13 21:27:39,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data/c9c3081fb/fd5def5095d5475ba612aeda509f89e7 [2024-11-13 21:27:39,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:39,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:39,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:39,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:39,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:39,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:39" (1/1) ... [2024-11-13 21:27:39,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d1b89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:39, skipping insertion in model container [2024-11-13 21:27:39,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:39" (1/1) ... [2024-11-13 21:27:39,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:27:40,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:40,240 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:27:40,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:40,509 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:27:40,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40 WrapperNode [2024-11-13 21:27:40,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:40,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:40,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:27:40,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:27:40,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,554 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 21:27:40,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:40,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:27:40,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:27:40,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:27:40,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:27:40,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:27:40,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:27:40,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:27:40,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:40" (1/1) ... [2024-11-13 21:27:40,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:40,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:27:40,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:27:40,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:27:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:27:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:27:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:27:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:27:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:27:40,823 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:27:40,825 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:27:40,954 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:27:40,954 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:27:41,026 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:27:41,026 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:27:41,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:41 BoogieIcfgContainer [2024-11-13 21:27:41,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:27:41,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:27:41,027 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:27:41,037 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:27:41,038 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:41" (1/1) ... [2024-11-13 21:27:41,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:27:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:27:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:27:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:27:41,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:41,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:41,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:41,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:41,347 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:27:41,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:27:41 ImpRootNode [2024-11-13 21:27:41,375 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:27:41,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:27:41,376 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:27:41,376 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:27:41,377 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:41" (3/4) ... [2024-11-13 21:27:41,383 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:27:41,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:27:41,385 INFO L158 Benchmark]: Toolchain (without parser) took 2351.13ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 51.8MB in the end (delta: 37.4MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-13 21:27:41,386 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:41,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1473.53ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.3MB in the end (delta: 7.9MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:27:41,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.26ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:27:41,390 INFO L158 Benchmark]: Boogie Preprocessor took 22.09ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.6MB in the end (delta: 921.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:41,391 INFO L158 Benchmark]: RCFGBuilder took 448.60ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 64.8MB in the end (delta: 12.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:41,391 INFO L158 Benchmark]: CodeCheck took 347.51ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 51.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:27:41,392 INFO L158 Benchmark]: Witness Printer took 8.72ms. Allocated memory is still 117.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:41,398 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_03_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 - 1 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 1.13ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1473.53ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.3MB in the end (delta: 7.9MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.26ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.09ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.6MB in the end (delta: 921.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 448.60ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 64.8MB in the end (delta: 12.7MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 347.51ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 51.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.72ms. Allocated memory is still 117.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:27:41,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/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_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/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_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/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_224e0002-04c7-461f-9ae4-3543cd5b7748/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 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:44,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:44,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:27:44,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:44,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:44,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:44,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:44,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:44,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:44,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:44,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:44,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:27:44,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:44,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:44,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:44,229 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:44,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:44,229 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:44,230 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:27:44,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:44,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:44,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:44,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:44,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:44,231 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:27:44,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:44,231 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:27:44,231 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_224e0002-04c7-461f-9ae4-3543cd5b7748/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 -> 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 [2024-11-13 21:27:44,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:44,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:44,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:44,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:44,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:44,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i Unable to find full path for "g++" [2024-11-13 21:27:46,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:47,083 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:47,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2024-11-13 21:27:47,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data/4853dcce9/b187924e17b842d2ae2d52152a938f7d/FLAGc4e6868a0 [2024-11-13 21:27:47,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/data/4853dcce9/b187924e17b842d2ae2d52152a938f7d [2024-11-13 21:27:47,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:47,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:47,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:47,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:47,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:47,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:47" (1/1) ... [2024-11-13 21:27:47,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3877fa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:47, skipping insertion in model container [2024-11-13 21:27:47,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:47" (1/1) ... [2024-11-13 21:27:47,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:27:48,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:48,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:27:48,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:48,641 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:27:48,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48 WrapperNode [2024-11-13 21:27:48,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:48,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:48,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:27:48,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:27:48,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,712 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 21:27:48,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:48,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:27:48,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:27:48,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:27:48,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:27:48,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:27:48,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:27:48,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:27:48,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:48" (1/1) ... [2024-11-13 21:27:48,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:48,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:27:48,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:27:48,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:27:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:27:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:27:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:27:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:27:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:27:49,038 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:27:49,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:27:49,149 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:27:49,149 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:27:49,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:27:49,231 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:27:49,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:49 BoogieIcfgContainer [2024-11-13 21:27:49,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:27:49,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:27:49,232 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:27:49,243 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:27:49,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:49" (1/1) ... [2024-11-13 21:27:49,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:27:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:27:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:27:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:27:49,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:49,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:27:49,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:27:49,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:27:49,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:27:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:49,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:49,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:49,646 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:27:49,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:27:49,651 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:27:49,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:27:49 ImpRootNode [2024-11-13 21:27:49,690 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:27:49,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:27:49,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:27:49,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:27:49,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:49" (3/4) ... [2024-11-13 21:27:49,696 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:27:49,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:27:49,698 INFO L158 Benchmark]: Toolchain (without parser) took 2545.83ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 44.6MB in the end (delta: 12.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-13 21:27:49,698 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:49,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1488.69ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.7MB in the end (delta: 4.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 21:27:49,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.93ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 49.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:49,701 INFO L158 Benchmark]: Boogie Preprocessor took 29.27ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:49,702 INFO L158 Benchmark]: RCFGBuilder took 487.99ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 33.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:27:49,702 INFO L158 Benchmark]: CodeCheck took 458.46ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 44.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:49,705 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 44.6MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:49,708 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: 0.4s, 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_03_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 - 1 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 0.47ms. Allocated memory is still 83.9MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1488.69ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.7MB in the end (delta: 4.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.93ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 49.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.27ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.99ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 33.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 458.46ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 44.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 44.6MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:27:49,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224e0002-04c7-461f-9ae4-3543cd5b7748/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