./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_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_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/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_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/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_7037be46-790c-4498-b962-4804525bfbc5/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 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:07:54,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:07:54,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:07:54,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:07:54,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:07:54,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:07:54,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:07:54,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:07:54,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:07:54,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:07:54,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:07:54,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:07:54,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:07:54,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:07:54,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:07:54,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:07:54,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:07:54,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:07:54,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:07:54,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:07:54,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:07:54,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:07:54,729 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:07:54,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:07:54,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:07:54,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:07:54,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:07:54,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:07:54,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:07:54,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:07:54,730 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:07:54,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:07:54,731 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_7037be46-790c-4498-b962-4804525bfbc5/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 -> 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 [2024-11-25 04:07:55,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:07:55,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:07:55,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:07:55,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:07:55,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:07:55,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i [2024-11-25 04:07:58,291 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/06cc22565/d23f210381e644219572afa8b782b540/FLAGd6ddd71e0 [2024-11-25 04:07:58,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:07:58,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i [2024-11-25 04:07:58,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/06cc22565/d23f210381e644219572afa8b782b540/FLAGd6ddd71e0 [2024-11-25 04:07:58,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/06cc22565/d23f210381e644219572afa8b782b540 [2024-11-25 04:07:58,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:07:58,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:07:58,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:07:58,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:07:58,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:07:58,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:07:58" (1/1) ... [2024-11-25 04:07:58,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6890ca57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:58, skipping insertion in model container [2024-11-25 04:07:58,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:07:58" (1/1) ... [2024-11-25 04:07:59,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:08:00,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:00,252 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:08:00,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:00,492 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:08:00,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00 WrapperNode [2024-11-25 04:08:00,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:08:00,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:00,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:08:00,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:08:00,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,548 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-11-25 04:08:00,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:00,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:08:00,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:08:00,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:08:00,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:08:00,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:08:00,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:08:00,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:08:00,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:00" (1/1) ... [2024-11-25 04:08:00,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:08:00,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:08:00,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:08:00,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:08:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:08:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:08:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:08:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:08:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:08:00,888 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:08:00,890 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:08:01,180 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 04:08:01,180 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:08:01,515 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:08:01,516 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 04:08:01,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:01 BoogieIcfgContainer [2024-11-25 04:08:01,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:08:01,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:08:01,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:08:01,528 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:08:01,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:01" (1/1) ... [2024-11-25 04:08:01,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:08:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 04:08:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 04:08:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:08:01,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:01,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:08:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:01,905 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:08:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:02,216 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:08:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:02,278 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:08:02,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:08:02 ImpRootNode [2024-11-25 04:08:02,315 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:08:02,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:08:02,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:08:02,317 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:08:02,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:01" (3/4) ... [2024-11-25 04:08:02,320 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:08:02,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:08:02,323 INFO L158 Benchmark]: Toolchain (without parser) took 3400.99ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 87.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-25 04:08:02,323 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:02,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1566.78ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 41.3MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:08:02,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.36ms. Allocated memory is still 142.6MB. Free memory was 41.3MB in the beginning and 38.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:08:02,325 INFO L158 Benchmark]: Boogie Preprocessor took 49.90ms. Allocated memory is still 142.6MB. Free memory was 38.6MB in the beginning and 37.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:02,325 INFO L158 Benchmark]: RCFGBuilder took 916.37ms. Allocated memory is still 142.6MB. Free memory was 37.3MB in the beginning and 64.2MB in the end (delta: -26.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-25 04:08:02,326 INFO L158 Benchmark]: CodeCheck took 798.27ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 87.1MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:02,326 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:02,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1560]: 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] data - 1 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 0.77ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1566.78ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 41.3MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.36ms. Allocated memory is still 142.6MB. Free memory was 41.3MB in the beginning and 38.6MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.90ms. Allocated memory is still 142.6MB. Free memory was 38.6MB in the beginning and 37.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 916.37ms. Allocated memory is still 142.6MB. Free memory was 37.3MB in the beginning and 64.2MB in the end (delta: -26.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * CodeCheck took 798.27ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 87.1MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 21.0kB). 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 04:08:02,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/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 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_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/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_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/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_7037be46-790c-4498-b962-4804525bfbc5/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 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:08:05,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:08:05,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:08:05,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:08:05,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:08:05,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:08:05,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:08:05,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:08:05,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:08:05,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:08:05,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:08:05,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:08:05,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:08:05,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:08:05,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:08:05,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:08:05,659 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:08:05,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:08:05,659 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:08:05,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:08:05,659 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:08:05,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:08:05,659 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:08:05,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:08:05,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:08:05,660 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:05,660 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:08:05,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:08:05,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:08:05,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:08:05,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:08:05,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:08:05,661 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:08:05,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:05,661 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:08:05,661 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_7037be46-790c-4498-b962-4804525bfbc5/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 -> 1e40bdd1f415f5ea64185a6ee68f0eeb0f2b741a86ab540b1e442f91eb9586d8 [2024-11-25 04:08:06,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:08:06,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:08:06,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:08:06,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:08:06,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:08:06,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i [2024-11-25 04:08:09,167 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/20965bc1c/c776aa27546b486aa92dcb4faa5ebd0c/FLAGd0ae3b888 [2024-11-25 04:08:09,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:08:09,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_16_bad.i [2024-11-25 04:08:09,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/20965bc1c/c776aa27546b486aa92dcb4faa5ebd0c/FLAGd0ae3b888 [2024-11-25 04:08:09,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/data/20965bc1c/c776aa27546b486aa92dcb4faa5ebd0c [2024-11-25 04:08:09,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:08:09,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:08:09,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:08:09,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:08:09,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:08:09,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:08:09" (1/1) ... [2024-11-25 04:08:09,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121d6288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:09, skipping insertion in model container [2024-11-25 04:08:09,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:08:09" (1/1) ... [2024-11-25 04:08:09,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:08:10,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:10,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:08:11,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:11,274 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:08:11,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11 WrapperNode [2024-11-25 04:08:11,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:08:11,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:11,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:08:11,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:08:11,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,327 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-25 04:08:11,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:11,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:08:11,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:08:11,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:08:11,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,347 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:08:11,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:08:11,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:08:11,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:08:11,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:11,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:08:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:08:11,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:08:11,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:08:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:08:11,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:08:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:08:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:08:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:08:11,656 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:08:11,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:08:11,847 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:08:11,847 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:08:11,989 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:08:11,994 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 04:08:11,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:11 BoogieIcfgContainer [2024-11-25 04:08:11,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:08:11,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:08:11,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:08:12,018 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:08:12,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:11" (1/1) ... [2024-11-25 04:08:12,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:08:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 04:08:12,124 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 04:08:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:08:12,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:12,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:12,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:12,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:12,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:08:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:12,379 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:08:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:12,540 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:08:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:12,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:08:12,602 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:08:12,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:08:12 ImpRootNode [2024-11-25 04:08:12,645 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:08:12,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:08:12,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:08:12,648 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:08:12,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:11" (3/4) ... [2024-11-25 04:08:12,651 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:08:12,710 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 04:08:12,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:08:12,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:08:12,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:08:12,765 INFO L158 Benchmark]: Toolchain (without parser) took 3013.52ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 36.5MB in the end (delta: 20.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-25 04:08:12,766 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:12,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1520.93ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.3MB in the end (delta: 4.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 04:08:12,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.01ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:12,769 INFO L158 Benchmark]: Boogie Preprocessor took 33.48ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:12,770 INFO L158 Benchmark]: RCFGBuilder took 629.05ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 30.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:08:12,770 INFO L158 Benchmark]: CodeCheck took 649.40ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 41.0MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:12,770 INFO L158 Benchmark]: Witness Printer took 117.39ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 36.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:12,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1560]: 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] data - 1 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 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1520.93ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.3MB in the end (delta: 4.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.01ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.48ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 629.05ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 30.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 649.40ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 41.0MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.39ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 36.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:08:12,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7037be46-790c-4498-b962-4804525bfbc5/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)