./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:47,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:47,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:50:47,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:47,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:47,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:47,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:47,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:47,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:47,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:47,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:47,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:47,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:47,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:47,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:47,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:47,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:47,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:47,710 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:50:47,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:50:47,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:47,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:47,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:47,711 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:47,711 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:47,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:47,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:47,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:47,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:47,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:47,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:47,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:47,712 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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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 -> 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a [2024-11-13 20:50:48,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:48,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:48,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:48,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:48,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:48,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i Unable to find full path for "g++" [2024-11-13 20:50:50,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:50,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:50,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-13 20:50:50,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data/c65ee6aaf/1192a0db04274185be3825ae0b57bd15/FLAG1710a1eed [2024-11-13 20:50:50,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data/c65ee6aaf/1192a0db04274185be3825ae0b57bd15 [2024-11-13 20:50:50,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:50,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:50,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:50,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:50,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:50,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:50" (1/1) ... [2024-11-13 20:50:50,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72cd5466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:50, skipping insertion in model container [2024-11-13 20:50:50,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:50" (1/1) ... [2024-11-13 20:50:50,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:51,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:51,644 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:51,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:51,896 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:51,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51 WrapperNode [2024-11-13 20:50:51,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:51,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:51,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:51,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:51,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,943 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-13 20:50:51,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:51,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:51,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:51,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:51,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:51,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:51,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:51,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:51,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:51,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:52,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:52,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:50:52,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:50:52,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:50:52,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:52,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:52,230 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:52,232 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:52,485 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:52,485 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:52,737 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:52,738 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:50:52,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:52 BoogieIcfgContainer [2024-11-13 20:50:52,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:52,739 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:52,739 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:52,749 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:52,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:52" (1/1) ... [2024-11-13 20:50:52,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:50:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:50:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:50:52,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:52,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:53,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:53,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:53,461 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:50:53,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:50:53 ImpRootNode [2024-11-13 20:50:53,500 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:50:53,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:50:53,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:50:53,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:50:53,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:52" (3/4) ... [2024-11-13 20:50:53,506 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:50:53,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:50:53,508 INFO L158 Benchmark]: Toolchain (without parser) took 2955.54ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 59.7MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:50:53,510 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:53,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.76ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.5MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 20:50:53,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.17ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:53,512 INFO L158 Benchmark]: Boogie Preprocessor took 23.99ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:53,513 INFO L158 Benchmark]: RCFGBuilder took 769.08ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 38.1MB in the end (delta: 37.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:50:53,514 INFO L158 Benchmark]: CodeCheck took 761.22ms. Allocated memory is still 117.4MB. Free memory was 37.6MB in the beginning and 59.7MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:53,515 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:53,519 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, overapproximation of bitwiseOr at line 1550. 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_rand_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.76ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.5MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.17ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.99ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 769.08ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 38.1MB in the end (delta: 37.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 761.22ms. Allocated memory is still 117.4MB. Free memory was 37.6MB in the beginning and 59.7MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:50:53,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:56,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:56,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:50:56,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:56,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:56,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:56,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:56,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:56,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:56,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:56,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:56,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:56,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:56,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:56,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:50:56,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:50:56,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:56,332 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:50:56,332 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:50:56,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:50:56,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:56,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:56,333 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:56,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:56,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:56,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:56,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:50:56,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:56,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:56,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:56,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:56,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:56,335 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:50:56,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:56,336 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:50:56,336 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_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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 -> 0c653ee786314239b30d2d467841b501d4e6acc831941b04c816f815e1a3737a [2024-11-13 20:50:56,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:56,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:56,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:56,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:56,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:56,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i Unable to find full path for "g++" [2024-11-13 20:50:58,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:58,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:58,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_42_bad.i [2024-11-13 20:50:58,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data/bba2e5204/b0e1a55f27e34fa68456dd0e62dc2bdf/FLAGc2d2b6b2b [2024-11-13 20:50:58,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/data/bba2e5204/b0e1a55f27e34fa68456dd0e62dc2bdf [2024-11-13 20:50:58,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:58,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:58,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:58,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:59,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:59,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367253c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:59, skipping insertion in model container [2024-11-13 20:50:59,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:00,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:00,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:00,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:00,515 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:00,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00 WrapperNode [2024-11-13 20:51:00,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:00,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:00,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:00,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:00,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,568 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-13 20:51:00,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:00,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:00,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:00,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:00,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:00,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:00,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:00,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:00,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:00" (1/1) ... [2024-11-13 20:51:00,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:00,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:00,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:51:00,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:51:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:00,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:00,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:00,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:01,059 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:01,060 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:01,178 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:01,182 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:51:01,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:01 BoogieIcfgContainer [2024-11-13 20:51:01,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:01,183 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:01,183 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:01,197 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:01,197 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:01" (1/1) ... [2024-11-13 20:51:01,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:51:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:51:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:51:01,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:01,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:01,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:01,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:01,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:51:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:01,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:01,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:01,671 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:51:01,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:51:01,673 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:51:01,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:51:01 ImpRootNode [2024-11-13 20:51:01,711 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:51:01,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:51:01,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:51:01,712 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:51:01,714 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:01" (3/4) ... [2024-11-13 20:51:01,716 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:51:01,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:51:01,718 INFO L158 Benchmark]: Toolchain (without parser) took 2722.77ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 39.0MB in the end (delta: 18.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-13 20:51:01,719 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:01,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1518.96ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.1MB in the end (delta: 5.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 20:51:01,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.60ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:01,720 INFO L158 Benchmark]: Boogie Preprocessor took 27.10ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:01,720 INFO L158 Benchmark]: RCFGBuilder took 586.29ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 52.9MB in the end (delta: -6.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-13 20:51:01,720 INFO L158 Benchmark]: CodeCheck took 528.03ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 39.0MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:01,721 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 83.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:01,727 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, 12 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 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_rand_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 0.39ms. Allocated memory is still 83.9MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1518.96ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.1MB in the end (delta: 5.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.60ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.10ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 586.29ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 52.9MB in the end (delta: -6.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * CodeCheck took 528.03ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 39.0MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 83.9MB. Free memory is still 39.0MB. 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 20:51:01,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81e4e7c-0c26-4f22-9b4b-7d67f383eaa2/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