./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/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_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/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_575630fd-4dec-4956-8fca-0bb2fa45e49e/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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:35,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:35,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:21:35,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:21:35,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:21:35,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:35,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:35,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:35,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:35,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:35,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:35,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:35,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:21:35,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:35,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:35,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:35,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:35,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:35,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:21:35,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:21:35,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:35,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:35,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:35,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:35,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:35,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:35,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:35,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:35,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:35,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:35,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:21:35,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:21:35,989 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_575630fd-4dec-4956-8fca-0bb2fa45e49e/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 -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2024-11-13 23:21:36,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:36,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:36,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:36,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:36,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:36,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i Unable to find full path for "g++" [2024-11-13 23:21:38,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:38,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:38,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-13 23:21:38,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data/7842f9378/a20d15534c2a432e9849dc890e8ee570/FLAGcaf3909a6 [2024-11-13 23:21:38,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data/7842f9378/a20d15534c2a432e9849dc890e8ee570 [2024-11-13 23:21:38,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:38,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:38,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:38,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:38,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:38,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:38" (1/1) ... [2024-11-13 23:21:38,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba72d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:38, skipping insertion in model container [2024-11-13 23:21:38,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:38" (1/1) ... [2024-11-13 23:21:38,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:40,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:40,012 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:40,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:40,263 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:40,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40 WrapperNode [2024-11-13 23:21:40,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:40,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:40,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:40,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:40,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,323 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 23:21:40,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:40,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:40,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:40,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:40,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:40,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:40,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:40,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:40,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:40,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:40,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:40,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:40,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:21:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:21:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:40,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:40,559 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:21:40,815 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 23:21:40,816 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:21:41,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:21:41,134 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:21:41,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:41 BoogieIcfgContainer [2024-11-13 23:21:41,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:21:41,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:21:41,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:21:41,146 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:21:41,146 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:41" (1/1) ... [2024-11-13 23:21:41,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:21:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 23:21:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 23:21:41,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:21:41,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:41,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,891 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:21:41,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:21:41 ImpRootNode [2024-11-13 23:21:41,924 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:21:41,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:21:41,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:21:41,925 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:21:41,927 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:41" (3/4) ... [2024-11-13 23:21:41,930 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:21:41,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:21:41,932 INFO L158 Benchmark]: Toolchain (without parser) took 3203.37ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 89.0MB in the beginning and 251.6MB in the end (delta: -162.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,932 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:41,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.72ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.4MB in the end (delta: 7.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.35ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,936 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:41,938 INFO L158 Benchmark]: RCFGBuilder took 773.02ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 77.6MB in the beginning and 290.4MB in the end (delta: -212.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,938 INFO L158 Benchmark]: CodeCheck took 789.22ms. Allocated memory is still 327.2MB. Free memory was 290.4MB in the beginning and 251.6MB in the end (delta: 38.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,939 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 327.2MB. Free memory is still 251.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:41,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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_predec_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 0.29ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.72ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.4MB in the end (delta: 7.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.35ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 773.02ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 77.6MB in the beginning and 290.4MB in the end (delta: -212.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * CodeCheck took 789.22ms. Allocated memory is still 327.2MB. Free memory was 290.4MB in the beginning and 251.6MB in the end (delta: 38.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 327.2MB. Free memory is still 251.6MB. 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 23:21:41,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/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 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_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/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_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/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_575630fd-4dec-4956-8fca-0bb2fa45e49e/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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:44,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:44,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:21:44,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:44,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:44,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:44,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:44,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:44,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:44,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:44,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:44,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:44,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:44,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:44,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:21:44,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:21:44,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:44,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:21:44,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:21:44,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:21:44,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:44,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:44,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:44,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:44,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:44,772 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:44,773 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:21:44,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:44,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:44,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:44,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:44,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:44,774 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:21:44,774 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:44,774 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:21:44,774 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_575630fd-4dec-4956-8fca-0bb2fa45e49e/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 -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2024-11-13 23:21:45,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:45,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:45,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:45,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:45,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:45,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i Unable to find full path for "g++" [2024-11-13 23:21:47,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:47,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:47,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-13 23:21:47,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data/5e87e5006/ac0930207d6b48a9b264221cc53a4d06/FLAGb4023c4f9 [2024-11-13 23:21:47,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/data/5e87e5006/ac0930207d6b48a9b264221cc53a4d06 [2024-11-13 23:21:47,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:47,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:47,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:47,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:47,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:47,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:47" (1/1) ... [2024-11-13 23:21:47,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4027ddf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:47, skipping insertion in model container [2024-11-13 23:21:47,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:47" (1/1) ... [2024-11-13 23:21:47,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:48,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:48,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:48,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:48,944 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:48,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48 WrapperNode [2024-11-13 23:21:48,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:48,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:48,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:48,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:48,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,018 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 23:21:49,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:49,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:49,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:49,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:49,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:49,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:49,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:49,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:49,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:49,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:49,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:49,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:49,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:21:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:21:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:49,281 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:49,283 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:21:49,471 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 23:21:49,471 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:21:49,596 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:21:49,596 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:21:49,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49 BoogieIcfgContainer [2024-11-13 23:21:49,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:21:49,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:21:49,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:21:49,608 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:21:49,608 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:21:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 23:21:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 23:21:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:21:49,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:49,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:49,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:49,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:49,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:21:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:49,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:21:50,080 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:21:50,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:21:50 ImpRootNode [2024-11-13 23:21:50,112 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:21:50,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:21:50,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:21:50,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:21:50,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49" (3/4) ... [2024-11-13 23:21:50,118 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:21:50,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:21:50,123 INFO L158 Benchmark]: Toolchain (without parser) took 2447.48ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 38.4MB in the end (delta: 18.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,124 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1270.68ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 49.9MB in the end (delta: 7.2MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.82ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,125 INFO L158 Benchmark]: Boogie Preprocessor took 47.12ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,125 INFO L158 Benchmark]: RCFGBuilder took 529.56ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 51.9MB in the end (delta: -6.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,129 INFO L158 Benchmark]: CodeCheck took 514.45ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 38.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,130 INFO L158 Benchmark]: Witness Printer took 7.06ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_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 0.49ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1270.68ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 49.9MB in the end (delta: 7.2MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.82ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.12ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.56ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 51.9MB in the end (delta: -6.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 514.45ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 38.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.06ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:21:50,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575630fd-4dec-4956-8fca-0bb2fa45e49e/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