./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk --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 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:01:25,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:01:25,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:01:25,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:01:25,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:01:25,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:01:25,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:01:25,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:01:25,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:01:25,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:01:25,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:01:25,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:01:25,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:01:25,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:01:25,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:01:25,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:01:25,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:01:25,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:01:25,772 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:01:25,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:01:25,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:01:25,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:01:25,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:01:25,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:01:25,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:01:25,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:01:25,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:25,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:01:25,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:01:25,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:01:25,780 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:01:25,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:01:25,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 [2024-11-08 23:01:26,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:01:26,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:01:26,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:01:26,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:01:26,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:01:26,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i Unable to find full path for "g++" [2024-11-08 23:01:28,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:01:28,676 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:01:28,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-11-08 23:01:28,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data/d9f9d7b4a/44e7cf59d5e64a278d600d8bf6b7f844/FLAG5a1c52f39 [2024-11-08 23:01:28,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data/d9f9d7b4a/44e7cf59d5e64a278d600d8bf6b7f844 [2024-11-08 23:01:28,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:01:28,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:01:28,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:28,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:01:28,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:01:28,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:28" (1/1) ... [2024-11-08 23:01:28,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ffd669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:28, skipping insertion in model container [2024-11-08 23:01:28,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:28" (1/1) ... [2024-11-08 23:01:28,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:01:30,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:30,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:01:30,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:30,300 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:01:30,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30 WrapperNode [2024-11-08 23:01:30,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:30,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:30,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:01:30,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:01:30,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,364 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-08 23:01:30,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:30,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:01:30,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:01:30,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:01:30,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:01:30,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:01:30,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:01:30,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:01:30,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:30" (1/1) ... [2024-11-08 23:01:30,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:30,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:01:30,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:01:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:01:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:01:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:01:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:01:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:01:30,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:01:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-08 23:01:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-08 23:01:30,640 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:01:30,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:01:30,948 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 23:01:30,949 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:01:31,334 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:01:31,338 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:01:31,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:31 BoogieIcfgContainer [2024-11-08 23:01:31,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:01:31,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:01:31,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:01:31,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:01:31,350 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:31" (1/1) ... [2024-11-08 23:01:31,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:01:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 23:01:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 23:01:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:01:31,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:31,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:32,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:32,169 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:01:32,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:01:32 ImpRootNode [2024-11-08 23:01:32,209 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:01:32,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:01:32,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:01:32,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:01:32,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:31" (3/4) ... [2024-11-08 23:01:32,217 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:01:32,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:01:32,220 INFO L158 Benchmark]: Toolchain (without parser) took 3494.23ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 90.5MB in the beginning and 65.9MB in the end (delta: 24.7MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2024-11-08 23:01:32,220 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:32,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1574.94ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 90.2MB in the beginning and 102.7MB in the end (delta: -12.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-11-08 23:01:32,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.97ms. Allocated memory is still 172.0MB. Free memory was 102.7MB in the beginning and 99.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:01:32,225 INFO L158 Benchmark]: Boogie Preprocessor took 36.82ms. Allocated memory is still 172.0MB. Free memory was 99.5MB in the beginning and 98.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:32,226 INFO L158 Benchmark]: RCFGBuilder took 936.09ms. Allocated memory is still 172.0MB. Free memory was 98.5MB in the beginning and 118.3MB in the end (delta: -19.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 23:01:32,229 INFO L158 Benchmark]: CodeCheck took 869.66ms. Allocated memory is still 172.0MB. Free memory was 118.3MB in the beginning and 65.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-08 23:01:32,229 INFO L158 Benchmark]: Witness Printer took 9.06ms. Allocated memory is still 172.0MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:32,233 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1576, overapproximation of bitwiseOr at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] --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 0.34ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1574.94ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 90.2MB in the beginning and 102.7MB in the end (delta: -12.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.97ms. Allocated memory is still 172.0MB. Free memory was 102.7MB in the beginning and 99.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.82ms. Allocated memory is still 172.0MB. Free memory was 99.5MB in the beginning and 98.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 936.09ms. Allocated memory is still 172.0MB. Free memory was 98.5MB in the beginning and 118.3MB in the end (delta: -19.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 869.66ms. Allocated memory is still 172.0MB. Free memory was 118.3MB in the beginning and 65.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 9.06ms. Allocated memory is still 172.0MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:01:32,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk --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 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:01:34,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:01:35,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:01:35,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:01:35,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:01:35,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:01:35,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:01:35,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:01:35,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:01:35,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:01:35,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:01:35,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:01:35,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:01:35,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:01:35,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:01:35,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:01:35,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:01:35,118 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:01:35,118 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:01:35,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:01:35,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:01:35,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:01:35,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:01:35,120 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:01:35,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:01:35,120 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:35,120 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:01:35,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:01:35,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:35,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:01:35,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:01:35,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:01:35,122 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:01:35,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:35,125 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:01:35,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a16c33033d4262e1c6f61b3356aece15a1c700f0980b728c290e851ae7b2150 [2024-11-08 23:01:35,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:01:35,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:01:35,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:01:35,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:01:35,607 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:01:35,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i Unable to find full path for "g++" [2024-11-08 23:01:37,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:01:38,331 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:01:38,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_bad.i [2024-11-08 23:01:38,369 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data/6ec8433f4/238bc1e0ea174729abccc87405c641a5/FLAGbb9426888 [2024-11-08 23:01:38,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/data/6ec8433f4/238bc1e0ea174729abccc87405c641a5 [2024-11-08 23:01:38,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:01:38,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:01:38,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:38,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:01:38,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:01:38,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:38" (1/1) ... [2024-11-08 23:01:38,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b4cc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:38, skipping insertion in model container [2024-11-08 23:01:38,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:38" (1/1) ... [2024-11-08 23:01:38,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:01:39,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:39,696 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:01:39,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:39,965 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:01:39,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39 WrapperNode [2024-11-08 23:01:39,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:39,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:39,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:01:39,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:01:39,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,042 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-08 23:01:40,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:40,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:01:40,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:01:40,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:01:40,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:01:40,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:01:40,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:01:40,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:01:40,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:39" (1/1) ... [2024-11-08 23:01:40,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:40,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:01:40,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:01:40,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:01:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:01:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:01:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:01:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:01:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:01:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-08 23:01:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-08 23:01:40,348 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:01:40,351 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:01:40,582 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 23:01:40,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:01:40,687 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:01:40,687 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:01:40,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:40 BoogieIcfgContainer [2024-11-08 23:01:40,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:01:40,689 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:01:40,689 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:01:40,702 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:01:40,703 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:40" (1/1) ... [2024-11-08 23:01:40,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:01:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-08 23:01:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-08 23:01:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:01:40,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:40,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:40,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:40,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:40,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:01:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:40,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:41,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:41,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:41,239 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:01:41,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:01:41 ImpRootNode [2024-11-08 23:01:41,284 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:01:41,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:01:41,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:01:41,289 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:01:41,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:40" (3/4) ... [2024-11-08 23:01:41,292 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:01:41,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:01:41,295 INFO L158 Benchmark]: Toolchain (without parser) took 2898.68ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 37.2MB in the beginning and 61.8MB in the end (delta: -24.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-08 23:01:41,295 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:41,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1569.03ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.1MB in the beginning and 40.9MB in the end (delta: -3.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-08 23:01:41,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.62ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 38.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:01:41,299 INFO L158 Benchmark]: Boogie Preprocessor took 48.16ms. Allocated memory is still 79.7MB. Free memory was 38.0MB in the beginning and 35.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:01:41,300 INFO L158 Benchmark]: RCFGBuilder took 595.94ms. Allocated memory is still 79.7MB. Free memory was 35.9MB in the beginning and 40.5MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:01:41,302 INFO L158 Benchmark]: CodeCheck took 595.30ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 62.3MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:41,303 INFO L158 Benchmark]: Witness Printer took 8.45ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 61.8MB in the end (delta: 503.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:01:41,306 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 3 procedures, 19 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] --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 0.50ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1569.03ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.1MB in the beginning and 40.9MB in the end (delta: -3.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.62ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 38.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.16ms. Allocated memory is still 79.7MB. Free memory was 38.0MB in the beginning and 35.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.94ms. Allocated memory is still 79.7MB. Free memory was 35.9MB in the beginning and 40.5MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 595.30ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 62.3MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.45ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 61.8MB in the end (delta: 503.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:01:41,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49afc2a0-3be1-411f-a407-330061826b55/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample