./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_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_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/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_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/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_360b0b18-6009-4413-b6e0-e685294d86f8/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 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:05:33,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:05:33,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:05:33,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:05:33,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:05:33,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:05:33,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:05:33,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:05:33,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:05:33,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:05:33,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:05:33,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:05:33,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:05:33,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:05:33,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:05:33,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:05:33,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:05:33,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:05:33,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:05:33,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:33,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:05:33,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:05:33,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:05:33,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:05:33,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:05:33,650 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_360b0b18-6009-4413-b6e0-e685294d86f8/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 -> 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 [2024-11-13 23:05:34,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:05:34,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:05:34,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:05:34,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:05:34,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:05:34,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 23:05:36,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:05:36,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:05:36,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-13 23:05:36,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data/86204df3f/98b147e2066b4d6e8a36b852f0395f28/FLAGa70ce3c02 [2024-11-13 23:05:36,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data/86204df3f/98b147e2066b4d6e8a36b852f0395f28 [2024-11-13 23:05:36,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:05:36,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:05:36,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:36,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:05:36,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:05:36,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:36" (1/1) ... [2024-11-13 23:05:36,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b227219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:36, skipping insertion in model container [2024-11-13 23:05:36,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:36" (1/1) ... [2024-11-13 23:05:36,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:05:37,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:37,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:05:37,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:38,011 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:05:38,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38 WrapperNode [2024-11-13 23:05:38,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:38,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:38,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:05:38,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:05:38,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,058 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-13 23:05:38,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:38,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:05:38,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:05:38,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:05:38,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:05:38,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:05:38,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:05:38,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:05:38,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:38,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:05:38,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:05:38,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:05:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:05:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:05:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:05:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:05:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:05:38,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:05:38,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:05:38,612 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-13 23:05:38,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:05:38,945 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:05:38,946 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:05:38,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:38 BoogieIcfgContainer [2024-11-13 23:05:38,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:05:38,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:05:38,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:05:38,958 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:05:38,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:38" (1/1) ... [2024-11-13 23:05:38,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:05:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:05:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:05:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:05:39,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:39,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:39,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:39,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:39,744 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:05:39,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:05:39 ImpRootNode [2024-11-13 23:05:39,788 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:05:39,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:05:39,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:05:39,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:05:39,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:38" (3/4) ... [2024-11-13 23:05:39,795 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:05:39,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:05:39,797 INFO L158 Benchmark]: Toolchain (without parser) took 3079.03ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 54.6MB in the end (delta: 36.7MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-11-13 23:05:39,798 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:39,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.48ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 84.7MB in the end (delta: 6.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 23:05:39,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:39,802 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:05:39,803 INFO L158 Benchmark]: RCFGBuilder took 863.97ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 44.0MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:05:39,803 INFO L158 Benchmark]: CodeCheck took 840.98ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 55.3MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:39,805 INFO L158 Benchmark]: Witness Printer took 7.53ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 54.6MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:39,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1562, overapproximation of bitwiseOr at line 1552. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 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 0.45ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.48ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 84.7MB in the end (delta: 6.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 863.97ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 44.0MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 840.98ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 55.3MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.53ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 54.6MB in the end (delta: 11.7kB). 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 23:05:39,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/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_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/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_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/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_360b0b18-6009-4413-b6e0-e685294d86f8/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 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:05:42,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:05:42,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:05:42,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:05:42,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:05:42,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:05:42,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:05:42,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:05:42,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:05:42,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:05:42,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:05:42,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:05:42,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:05:42,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:05:42,755 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:05:42,755 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:05:42,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:05:42,755 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:05:42,755 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:05:42,755 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:05:42,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:05:42,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:05:42,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:05:42,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:05:42,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:05:42,756 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:42,756 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:05:42,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:05:42,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:42,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:05:42,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:05:42,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:05:42,757 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:05:42,757 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:42,758 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:05:42,758 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_360b0b18-6009-4413-b6e0-e685294d86f8/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 -> 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 [2024-11-13 23:05:43,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:05:43,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:05:43,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:05:43,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:05:43,120 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:05:43,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i Unable to find full path for "g++" [2024-11-13 23:05:45,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:05:45,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:05:45,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-13 23:05:45,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data/0441b1a58/79da0f77aa8745d6b213f0e65fc07f96/FLAG517674ba9 [2024-11-13 23:05:45,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/data/0441b1a58/79da0f77aa8745d6b213f0e65fc07f96 [2024-11-13 23:05:45,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:05:45,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:05:45,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:45,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:05:45,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:05:45,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:45" (1/1) ... [2024-11-13 23:05:45,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fb720b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:45, skipping insertion in model container [2024-11-13 23:05:45,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:45" (1/1) ... [2024-11-13 23:05:45,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:05:46,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:46,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:05:46,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:47,126 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:05:47,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47 WrapperNode [2024-11-13 23:05:47,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:47,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:47,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:05:47,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:05:47,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,184 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-13 23:05:47,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:47,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:05:47,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:05:47,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:05:47,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:05:47,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:05:47,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:05:47,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:05:47,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:05:47,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:05:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:05:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:05:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:05:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:05:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:05:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:05:47,452 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:05:47,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:05:47,616 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 23:05:47,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:05:47,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:05:47,679 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:05:47,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:47 BoogieIcfgContainer [2024-11-13 23:05:47,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:05:47,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:05:47,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:05:47,692 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:05:47,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:47" (1/1) ... [2024-11-13 23:05:47,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:05:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:05:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:05:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:05:47,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:47,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:47,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:47,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:47,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:05:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:47,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:48,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:48,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:05:48,192 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:05:48,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:05:48 ImpRootNode [2024-11-13 23:05:48,227 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:05:48,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:05:48,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:05:48,230 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:05:48,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:47" (3/4) ... [2024-11-13 23:05:48,234 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:05:48,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:05:48,239 INFO L158 Benchmark]: Toolchain (without parser) took 2534.47ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 40.0MB in the end (delta: 17.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 23:05:48,239 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:48,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.26ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.4MB in the end (delta: 5.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 23:05:48,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.19ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:48,240 INFO L158 Benchmark]: Boogie Preprocessor took 30.03ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:48,243 INFO L158 Benchmark]: RCFGBuilder took 464.08ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 30.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:05:48,243 INFO L158 Benchmark]: CodeCheck took 546.69ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 40.4MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:48,243 INFO L158 Benchmark]: Witness Printer took 6.79ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 40.0MB in the end (delta: 419.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:48,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 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 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.26ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.4MB in the end (delta: 5.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.19ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.03ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.08ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 30.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 546.69ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 40.4MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.79ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 40.0MB in the end (delta: 419.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:05:48,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_360b0b18-6009-4413-b6e0-e685294d86f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample