./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/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_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/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_b4832b33-4b95-4c38-9e20-6358de629081/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 eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:21,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:21,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:20:21,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:20:21,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:20:21,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:21,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:21,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:21,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:21,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:21,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:21,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:21,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:20:21,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:21,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:21,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:21,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:21,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:21,919 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:20:21,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:20:21,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:21,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:21,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:21,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:21,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:21,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:21,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:21,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:21,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:21,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:21,920 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:20:21,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:20:21,921 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_b4832b33-4b95-4c38-9e20-6358de629081/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 -> eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a [2024-11-13 20:20:22,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:22,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:22,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:22,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:22,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:22,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i Unable to find full path for "g++" [2024-11-13 20:20:24,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:24,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:24,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i [2024-11-13 20:20:24,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data/250f3ca93/22b4710f8d1145869303f0164fea3a59/FLAGaa029dc7c [2024-11-13 20:20:24,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data/250f3ca93/22b4710f8d1145869303f0164fea3a59 [2024-11-13 20:20:24,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:24,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:24,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:24,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:24,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:24,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:24" (1/1) ... [2024-11-13 20:20:24,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8611a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:24, skipping insertion in model container [2024-11-13 20:20:24,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:24" (1/1) ... [2024-11-13 20:20:24,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:25,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:25,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:25,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:25,727 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:25,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25 WrapperNode [2024-11-13 20:20:25,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:25,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:25,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:25,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:25,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,774 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 20:20:25,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:25,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:25,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:25,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:25,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:25,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:25,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:25,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:25,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:25" (1/1) ... [2024-11-13 20:20:25,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:25,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:25,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:25,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:20:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:20:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:26,029 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:26,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:26,268 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:26,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:26,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:26,601 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:20:26,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:26 BoogieIcfgContainer [2024-11-13 20:20:26,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:26,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:26,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:26,613 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:26,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:26" (1/1) ... [2024-11-13 20:20:26,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:20:26,683 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:20:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:20:26,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:27,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:27,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:27,328 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:20:27,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:27 ImpRootNode [2024-11-13 20:20:27,360 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:27,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:27,363 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:27,363 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:27,364 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:26" (3/4) ... [2024-11-13 20:20:27,366 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:20:27,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:27,372 INFO L158 Benchmark]: Toolchain (without parser) took 2769.67ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.2MB in the beginning and 373.0MB in the end (delta: -256.8MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:27,372 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:27,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1126.48ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.5MB in the end (delta: 8.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:27,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.88ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:20:27,375 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:27,375 INFO L158 Benchmark]: RCFGBuilder took 803.93ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 62.8MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:20:27,379 INFO L158 Benchmark]: CodeCheck took 757.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 62.8MB in the beginning and 373.0MB in the end (delta: -310.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:27,379 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 427.8MB. Free memory was 373.0MB in the beginning and 373.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:27,381 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, 14 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1126.48ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.5MB in the end (delta: 8.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.88ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 803.93ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 62.8MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 757.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 62.8MB in the beginning and 373.0MB in the end (delta: -310.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 427.8MB. Free memory was 373.0MB in the beginning and 373.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:20:27,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/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_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/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_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/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_b4832b33-4b95-4c38-9e20-6358de629081/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 eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:20:29,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:20:30,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:20:30,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:20:30,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:20:30,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:20:30,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:20:30,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:20:30,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:20:30,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:20:30,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:20:30,167 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:20:30,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:20:30,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:20:30,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:20:30,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:20:30,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:20:30,168 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:30,168 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:20:30,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:20:30,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:30,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:20:30,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:20:30,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:20:30,171 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:20:30,171 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:30,171 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:20:30,171 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_b4832b33-4b95-4c38-9e20-6358de629081/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 -> eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a [2024-11-13 20:20:30,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:20:30,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:20:30,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:20:30,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:20:30,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:20:30,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i Unable to find full path for "g++" [2024-11-13 20:20:32,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:20:32,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:20:32,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i [2024-11-13 20:20:32,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data/12ccf3a2a/bfbc76f0af81402c81665c7dfb9d69f5/FLAG17e0496ac [2024-11-13 20:20:32,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/data/12ccf3a2a/bfbc76f0af81402c81665c7dfb9d69f5 [2024-11-13 20:20:32,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:20:32,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:20:32,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:32,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:20:32,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:20:32,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:32" (1/1) ... [2024-11-13 20:20:32,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9c817d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:32, skipping insertion in model container [2024-11-13 20:20:32,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:20:32" (1/1) ... [2024-11-13 20:20:32,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:20:33,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:33,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:20:34,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:20:34,195 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:20:34,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34 WrapperNode [2024-11-13 20:20:34,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:20:34,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:34,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:20:34,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:20:34,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,271 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 20:20:34,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:20:34,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:20:34,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:20:34,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:20:34,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:20:34,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:20:34,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:20:34,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:20:34,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:20:34,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:20:34,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:20:34,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:20:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:20:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:20:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:20:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:20:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:20:34,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:20:34,533 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:20:34,697 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:20:34,699 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:20:34,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:20:34,820 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:20:34,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:34 BoogieIcfgContainer [2024-11-13 20:20:34,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:20:34,821 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:20:34,822 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:20:34,836 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:20:34,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:34" (1/1) ... [2024-11-13 20:20:34,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:20:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:34,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:20:34,901 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:20:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:20:34,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:34,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:34,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:34,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:34,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:20:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:20:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:35,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:20:35,324 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:20:35,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:20:35 ImpRootNode [2024-11-13 20:20:35,358 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:20:35,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:20:35,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:20:35,360 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:20:35,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:20:34" (3/4) ... [2024-11-13 20:20:35,365 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:20:35,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:20:35,367 INFO L158 Benchmark]: Toolchain (without parser) took 2512.83ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.2MB in the beginning and 222.8MB in the end (delta: -133.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-13 20:20:35,370 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.38ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 67.7MB in the end (delta: 21.5MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-13 20:20:35,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.04ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,371 INFO L158 Benchmark]: Boogie Preprocessor took 41.86ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,372 INFO L158 Benchmark]: RCFGBuilder took 504.05ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 45.1MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:20:35,372 INFO L158 Benchmark]: CodeCheck took 536.75ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 45.1MB in the beginning and 222.8MB in the end (delta: -177.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,377 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 260.0MB. Free memory was 222.8MB in the beginning and 222.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:20:35,379 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, 14 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.38ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 67.7MB in the end (delta: 21.5MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.04ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.86ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.05ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 45.1MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 536.75ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 45.1MB in the beginning and 222.8MB in the end (delta: -177.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 260.0MB. Free memory was 222.8MB in the beginning and 222.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:20:35,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4832b33-4b95-4c38-9e20-6358de629081/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample