./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-bwb/or-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-bwb/or-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:01:14,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:01:14,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:01:14,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:01:14,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:01:14,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:01:14,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:01:14,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:01:14,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:01:14,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:01:14,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:01:14,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:01:14,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:01:14,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:01:14,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:01:14,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:01:14,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:01:14,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:01:14,453 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:01:14,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:01:14,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:01:14,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:01:14,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:01:14,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:01:14,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:01:14,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:01:14,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:14,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:01:14,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:01:14,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:01:14,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:01:14,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:01:14,456 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_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 [2024-11-13 22:01:14,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:01:14,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:01:14,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:01:14,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:01:14,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:01:14,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-bwb/or-01-false.c Unable to find full path for "g++" [2024-11-13 22:01:17,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:01:17,446 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:01:17,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/sv-benchmarks/c/termination-bwb/or-01-false.c [2024-11-13 22:01:17,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data/e8521ccd5/d2c6f67ba24848aebd4a0ce2809aaddb/FLAG9ba2b40f9 [2024-11-13 22:01:17,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data/e8521ccd5/d2c6f67ba24848aebd4a0ce2809aaddb [2024-11-13 22:01:17,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:01:17,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:01:17,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:17,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:01:17,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:01:17,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4d84a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17, skipping insertion in model container [2024-11-13 22:01:17,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:01:17,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:17,661 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:01:17,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:17,689 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:01:17,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17 WrapperNode [2024-11-13 22:01:17,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:17,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:17,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:01:17,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:01:17,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,718 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-13 22:01:17,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:17,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:01:17,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:01:17,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:01:17,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:01:17,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:01:17,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:01:17,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:01:17,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:17" (1/1) ... [2024-11-13 22:01:17,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:17,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:01:17,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:01:17,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:01:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:01:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:01:17,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:01:17,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:01:18,041 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 22:01:18,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:01:18,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:01:18,116 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:01:18,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:18 BoogieIcfgContainer [2024-11-13 22:01:18,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:01:18,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:01:18,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:01:18,129 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:01:18,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:18" (1/1) ... [2024-11-13 22:01:18,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:01:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 22:01:18,222 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 22:01:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:01:18,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:18,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 22:01:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 22:01:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:01:18,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:18,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:18,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:18,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:18,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:01:18,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:01:18 ImpRootNode [2024-11-13 22:01:18,863 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:01:18,864 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:01:18,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:01:18,864 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:01:18,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:18" (3/4) ... [2024-11-13 22:01:18,867 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:01:18,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:01:18,869 INFO L158 Benchmark]: Toolchain (without parser) took 1386.18ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 48.1MB in the end (delta: 46.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:01:18,870 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:18,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.39ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 84.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:01:18,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.08ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:18,871 INFO L158 Benchmark]: Boogie Preprocessor took 15.50ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.6MB in the end (delta: 696.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:18,872 INFO L158 Benchmark]: RCFGBuilder took 381.73ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 70.0MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:01:18,872 INFO L158 Benchmark]: CodeCheck took 745.69ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 48.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:01:18,873 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 48.1MB in the end (delta: 342.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:18,876 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 1 procedures, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 22]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 21. Possible FailurePath: [L14] int a, b; [L15] int x; [L16] a = 16 [L17] b = 30 [L18] x = __VERIFIER_nondet_int() [L20] COND TRUE x>=0 [L21] EXPR b|a [L21] b = b|a [L22] x+b VAL [a=16] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.39ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 84.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.08ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.50ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 82.6MB in the end (delta: 696.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.73ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 70.0MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 745.69ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 48.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 48.1MB in the end (delta: 342.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:01:18,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-bwb/or-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:01:21,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:01:21,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:01:22,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:01:22,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:01:22,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:01:22,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:01:22,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:01:22,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:01:22,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:01:22,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:01:22,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:01:22,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:01:22,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:01:22,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:01:22,062 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:01:22,062 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:22,062 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:01:22,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:01:22,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:22,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:01:22,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:01:22,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:01:22,063 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:01:22,064 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:22,065 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:01:22,065 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_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 [2024-11-13 22:01:22,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:01:22,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:01:22,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:01:22,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:01:22,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:01:22,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-bwb/or-01-false.c Unable to find full path for "g++" [2024-11-13 22:01:24,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:01:24,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:01:24,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/sv-benchmarks/c/termination-bwb/or-01-false.c [2024-11-13 22:01:24,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data/d6562b0ce/bc12ab390d3e4f14b0eb96409c2dbbbd/FLAG5529d8176 [2024-11-13 22:01:24,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/data/d6562b0ce/bc12ab390d3e4f14b0eb96409c2dbbbd [2024-11-13 22:01:24,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:01:24,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:01:24,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:24,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:01:24,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:01:24,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:24" (1/1) ... [2024-11-13 22:01:24,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cd228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:24, skipping insertion in model container [2024-11-13 22:01:24,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:01:24" (1/1) ... [2024-11-13 22:01:24,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:01:25,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:25,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:01:25,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:01:25,207 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:01:25,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25 WrapperNode [2024-11-13 22:01:25,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:01:25,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:25,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:01:25,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:01:25,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,247 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-13 22:01:25,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:01:25,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:01:25,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:01:25,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:01:25,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:01:25,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:01:25,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:01:25,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:01:25,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:01:25,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:01:25,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:01:25,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:01:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:01:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:01:25,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:01:25,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:01:25,592 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:01:25,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:01:25,632 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:01:25,633 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:01:25,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:25 BoogieIcfgContainer [2024-11-13 22:01:25,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:01:25,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:01:25,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:01:25,654 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:01:25,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:25" (1/1) ... [2024-11-13 22:01:25,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:01:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 22:01:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 22:01:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:01:25,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:25,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:25,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:25,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:25,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:01:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:25,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:25,842 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:01:25,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:25,979 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:01:25,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:01:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 22:01:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 22:01:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:01:26,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:26,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:26,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:26,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:26,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:01:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:26,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:26,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:01:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:01:26,197 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:01:26,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:01:26,201 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:01:26,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:01:26 ImpRootNode [2024-11-13 22:01:26,228 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:01:26,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:01:26,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:01:26,229 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:01:26,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:25" (3/4) ... [2024-11-13 22:01:26,231 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:01:26,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:01:26,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:01:26,276 INFO L158 Benchmark]: Toolchain (without parser) took 1346.53ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 53.4MB in the end (delta: 39.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:01:26,276 INFO L158 Benchmark]: CDTParser took 3.58ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:26,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.52ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:01:26,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.56ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 972.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:26,277 INFO L158 Benchmark]: Boogie Preprocessor took 27.42ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 585.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:26,278 INFO L158 Benchmark]: RCFGBuilder took 360.41ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 71.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:01:26,281 INFO L158 Benchmark]: CodeCheck took 589.85ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 55.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:01:26,284 INFO L158 Benchmark]: Witness Printer took 42.24ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 53.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:01:26,286 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 1 procedures, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 1 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int a, b; [L15] int x; [L16] a = 16 [L17] b = 30 [L18] x = __VERIFIER_nondet_int() [L20] COND TRUE x>=0 [L21] b = b|a VAL [a=16, b=30, x=2147483633] [L22] x+b VAL [a=16] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.52ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.56ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 972.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.42ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 585.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.41ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 71.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 589.85ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 55.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 42.24ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 53.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:01:26,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcedc46-ac7e-421b-8a73-e03140f89b55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)