./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:48,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:48,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:44:48,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:44:48,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:44:48,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:48,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:48,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:48,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:48,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:48,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:48,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:48,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:44:48,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:48,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:48,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:48,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:48,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:48,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:48,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:48,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:48,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:48,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:48,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:44:48,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:44:48,862 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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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 -> 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 [2024-11-13 20:44:49,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:49,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:49,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:49,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:49,218 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:49,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i Unable to find full path for "g++" [2024-11-13 20:44:51,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:51,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:51,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-11-13 20:44:51,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data/c6cac0036/258cee196e5441da88b60603484a9f71/FLAGdc2288e5b [2024-11-13 20:44:51,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data/c6cac0036/258cee196e5441da88b60603484a9f71 [2024-11-13 20:44:51,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:51,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:51,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:51,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:51,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:51,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:51" (1/1) ... [2024-11-13 20:44:51,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad5d07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:51, skipping insertion in model container [2024-11-13 20:44:51,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:51" (1/1) ... [2024-11-13 20:44:51,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:52,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:52,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:52,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:53,037 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:53,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53 WrapperNode [2024-11-13 20:44:53,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:53,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:53,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:53,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:53,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,114 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-13 20:44:53,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:53,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:53,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:53,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:53,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:53,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:53,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:53,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:53,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:53,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:53,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:53,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:44:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:44:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:53,343 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:53,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:53,613 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:53,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:53,877 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:53,878 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:44:53,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:53 BoogieIcfgContainer [2024-11-13 20:44:53,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:53,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:53,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:53,889 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:53,889 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:53" (1/1) ... [2024-11-13 20:44:53,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:44:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:44:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:44:53,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:53,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:54,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:54,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:54,692 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:44:54,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:44:54 ImpRootNode [2024-11-13 20:44:54,729 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:44:54,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:44:54,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:44:54,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:44:54,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:53" (3/4) ... [2024-11-13 20:44:54,734 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:44:54,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:44:54,736 INFO L158 Benchmark]: Toolchain (without parser) took 3102.65ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 52.1MB in the end (delta: 37.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:44:54,738 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:54,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1405.02ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.3MB in the end (delta: 9.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 20:44:54,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.58ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:54,739 INFO L158 Benchmark]: Boogie Preprocessor took 23.28ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.8MB in the end (delta: 577.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:54,740 INFO L158 Benchmark]: RCFGBuilder took 738.63ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 38.0MB in the end (delta: 37.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:44:54,740 INFO L158 Benchmark]: CodeCheck took 850.36ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 52.1MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:54,740 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 117.4MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:54,745 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: 0.8s, 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: 1575]: 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 1563, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1405.02ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.3MB in the end (delta: 9.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.58ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.28ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.8MB in the end (delta: 577.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 738.63ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 38.0MB in the end (delta: 37.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 850.36ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 52.1MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 117.4MB. Free memory was 52.1MB in the beginning and 52.1MB 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 20:44:54,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:57,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:57,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:44:57,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:57,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:57,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:57,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:57,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:57,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:44:57,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:57,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:44:57,522 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:44:57,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:44:57,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:57,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:57,522 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:57,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:57,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:57,523 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:57,523 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:44:57,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:57,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:57,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:57,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:57,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:57,523 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:44:57,524 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:57,524 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:44:57,524 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_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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 -> 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 [2024-11-13 20:44:57,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:57,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:57,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:57,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:57,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:57,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i Unable to find full path for "g++" [2024-11-13 20:44:59,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:45:00,246 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:45:00,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-11-13 20:45:00,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data/56dfe9e60/f4902f01c0264e74a10419e7b308337d/FLAGeda4ce4e7 [2024-11-13 20:45:00,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/data/56dfe9e60/f4902f01c0264e74a10419e7b308337d [2024-11-13 20:45:00,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:45:00,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:45:00,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:00,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:45:00,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:45:00,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:00" (1/1) ... [2024-11-13 20:45:00,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caa3dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:00, skipping insertion in model container [2024-11-13 20:45:00,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:00" (1/1) ... [2024-11-13 20:45:00,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:45:01,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:01,267 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:45:01,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:01,580 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:45:01,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01 WrapperNode [2024-11-13 20:45:01,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:01,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:01,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:45:01,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:45:01,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,630 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-13 20:45:01,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:01,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:45:01,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:45:01,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:45:01,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:45:01,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:45:01,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:45:01,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:45:01,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:01" (1/1) ... [2024-11-13 20:45:01,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:01,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:45:01,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:45:01,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:45:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:45:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:45:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:45:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:45:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:45:01,892 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:45:01,894 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:45:02,094 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 20:45:02,094 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:45:02,172 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:45:02,173 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:45:02,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:02 BoogieIcfgContainer [2024-11-13 20:45:02,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:45:02,174 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:45:02,174 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:45:02,184 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:45:02,185 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:02" (1/1) ... [2024-11-13 20:45:02,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:45:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:45:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:45:02,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:45:02,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:02,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:02,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:02,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:02,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:45:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:02,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:02,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:02,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:45:02,669 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:45:02,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:45:02 ImpRootNode [2024-11-13 20:45:02,704 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:45:02,705 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:45:02,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:45:02,705 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:45:02,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:02" (3/4) ... [2024-11-13 20:45:02,710 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:45:02,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:45:02,714 INFO L158 Benchmark]: Toolchain (without parser) took 2396.70ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 40.0MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-13 20:45:02,715 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:02,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.19ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 52.6MB in the end (delta: 3.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 20:45:02,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.66ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 49.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:02,718 INFO L158 Benchmark]: Boogie Preprocessor took 26.15ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:02,718 INFO L158 Benchmark]: RCFGBuilder took 515.80ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 30.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:45:02,719 INFO L158 Benchmark]: CodeCheck took 530.40ms. Allocated memory is still 83.9MB. Free memory was 30.5MB in the beginning and 40.4MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:02,719 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:02,720 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: 1575]: 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 1563. 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1549] int CWE191_Integer_Underflow__int_rand_postdec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=0, CWE191_Integer_Underflow__int_rand_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=0, CWE191_Integer_Underflow__int_rand_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_68_goodG2BData=0, 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 is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.19ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 52.6MB in the end (delta: 3.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.66ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 49.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.15ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.80ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 30.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 530.40ms. Allocated memory is still 83.9MB. Free memory was 30.5MB in the beginning and 40.4MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. 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 20:45:02,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611ab3fd-ee3a-4b63-8a24-c6358797fee9/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