./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3 --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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:48:01,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:48:01,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:48:01,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:48:01,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:48:01,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:48:01,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:48:01,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:48:01,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:48:01,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:48:01,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:48:01,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:48:01,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:48:01,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:48:01,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:48:01,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:48:01,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:48:01,630 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:48:01,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:48:01,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:48:01,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:48:01,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:48:01,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:48:01,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:48:01,631 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:48:01,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:48:01,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:01,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:48:01,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:48:01,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:48:01,632 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:48:01,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:48:01,632 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_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2024-11-25 02:48:01,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:48:01,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:48:01,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:48:01,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:48:01,901 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:48:01,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2024-11-25 02:48:04,997 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/d107a466e/8e67b30a182c4a849e81b3e800354dbb/FLAGacd840520 [2024-11-25 02:48:05,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:48:05,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2024-11-25 02:48:05,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/d107a466e/8e67b30a182c4a849e81b3e800354dbb/FLAGacd840520 [2024-11-25 02:48:05,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/d107a466e/8e67b30a182c4a849e81b3e800354dbb [2024-11-25 02:48:05,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:48:05,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:48:05,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:05,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:48:05,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:48:05,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:05" (1/1) ... [2024-11-25 02:48:05,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54593ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:05, skipping insertion in model container [2024-11-25 02:48:05,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:05" (1/1) ... [2024-11-25 02:48:05,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:48:06,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:06,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:48:06,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:06,654 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:48:06,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06 WrapperNode [2024-11-25 02:48:06,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:06,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:06,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:48:06,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:48:06,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,705 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 02:48:06,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:06,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:48:06,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:48:06,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:48:06,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,720 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:48:06,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:48:06,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:48:06,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:48:06,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:06" (1/1) ... [2024-11-25 02:48:06,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:06,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:48:06,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:48:06,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:48:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:48:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:48:06,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:48:06,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:48:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:48:06,998 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:48:07,001 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:48:07,286 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 02:48:07,286 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:48:07,573 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:48:07,573 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:48:07,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:07 BoogieIcfgContainer [2024-11-25 02:48:07,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:48:07,575 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:48:07,575 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:48:07,585 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:48:07,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:07" (1/1) ... [2024-11-25 02:48:07,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:48:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:48:07,658 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:48:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:48:07,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:07,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:08,012 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:08,197 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:08,267 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:48:08,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:48:08 ImpRootNode [2024-11-25 02:48:08,309 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:48:08,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:48:08,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:48:08,312 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:48:08,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:07" (3/4) ... [2024-11-25 02:48:08,315 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:48:08,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:48:08,318 INFO L158 Benchmark]: Toolchain (without parser) took 2878.60ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 89.8MB in the beginning and 131.3MB in the end (delta: -41.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-25 02:48:08,320 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:08,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1215.40ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 81.9MB in the end (delta: 7.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 02:48:08,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.20ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:48:08,321 INFO L158 Benchmark]: Boogie Preprocessor took 22.35ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:08,322 INFO L158 Benchmark]: RCFGBuilder took 844.64ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 36.6MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:48:08,322 INFO L158 Benchmark]: CodeCheck took 734.77ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 36.6MB in the beginning and 132.1MB in the end (delta: -95.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:08,325 INFO L158 Benchmark]: Witness Printer took 5.99ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 131.3MB in the end (delta: 767.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:08,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: 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 bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1215.40ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 81.9MB in the end (delta: 7.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.20ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.35ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 844.64ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 36.6MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 734.77ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 36.6MB in the beginning and 132.1MB in the end (delta: -95.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.99ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 131.3MB in the end (delta: 767.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:48:08,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/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_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3 --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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:48:11,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:48:11,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:48:11,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:48:11,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:48:11,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:48:11,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:48:11,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:48:11,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:48:11,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:48:11,234 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:48:11,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:48:11,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:48:11,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:48:11,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:48:11,235 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:11,235 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:48:11,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:48:11,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:11,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:48:11,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:48:11,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:48:11,236 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:48:11,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:11,236 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:48:11,236 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_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2024-11-25 02:48:11,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:48:11,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:48:11,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:48:11,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:48:11,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:48:11,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2024-11-25 02:48:14,574 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/eabb4e614/85e4164af9ad46bb9a6e6f163ab77159/FLAG6fa72b701 [2024-11-25 02:48:15,022 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:48:15,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2024-11-25 02:48:15,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/eabb4e614/85e4164af9ad46bb9a6e6f163ab77159/FLAG6fa72b701 [2024-11-25 02:48:15,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/data/eabb4e614/85e4164af9ad46bb9a6e6f163ab77159 [2024-11-25 02:48:15,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:48:15,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:48:15,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:15,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:48:15,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:48:15,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:15" (1/1) ... [2024-11-25 02:48:15,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c946618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:15, skipping insertion in model container [2024-11-25 02:48:15,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:15" (1/1) ... [2024-11-25 02:48:15,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:48:16,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:16,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:48:16,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:16,509 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:48:16,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16 WrapperNode [2024-11-25 02:48:16,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:16,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:16,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:48:16,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:48:16,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,593 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 02:48:16,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:16,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:48:16,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:48:16,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:48:16,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,623 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:48:16,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:48:16,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:48:16,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:48:16,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:16" (1/1) ... [2024-11-25 02:48:16,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:16,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:48:16,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:48:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:48:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:48:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:48:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:48:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:48:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:48:16,878 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:48:16,880 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:48:17,013 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 02:48:17,013 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:48:17,100 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:48:17,100 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:48:17,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:17 BoogieIcfgContainer [2024-11-25 02:48:17,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:48:17,102 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:48:17,102 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:48:17,116 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:48:17,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:17" (1/1) ... [2024-11-25 02:48:17,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:48:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:48:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:48:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:48:17,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:17,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:17,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:17,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:48:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:17,367 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:17,569 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:17,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:48:17,617 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:48:17,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:48:17 ImpRootNode [2024-11-25 02:48:17,664 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:48:17,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:48:17,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:48:17,666 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:48:17,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:17" (3/4) ... [2024-11-25 02:48:17,668 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:48:17,722 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 02:48:17,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:48:17,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:48:17,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:48:17,781 INFO L158 Benchmark]: Toolchain (without parser) took 2695.27ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 79.1MB in the end (delta: 11.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-25 02:48:17,781 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:17,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1425.20ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 70.1MB in the end (delta: 19.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 02:48:17,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.04ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:48:17,782 INFO L158 Benchmark]: Boogie Preprocessor took 48.85ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:17,782 INFO L158 Benchmark]: RCFGBuilder took 458.00ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 47.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:48:17,783 INFO L158 Benchmark]: CodeCheck took 562.28ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 83.7MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:17,783 INFO L158 Benchmark]: Witness Printer took 112.64ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 79.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:17,789 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, 0.1s 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1425.20ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 70.1MB in the end (delta: 19.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.04ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.85ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.00ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 47.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 562.28ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 83.7MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 112.64ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 79.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:48:17,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a749c521-06c0-486d-b3c1-d5f35bac4875/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)