./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:25:19,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:25:19,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:25:19,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:25:19,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:25:19,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:25:19,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:25:19,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:25:19,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:25:19,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:25:19,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:25:19,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:25:19,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:25:19,335 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:25:19,335 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:25:19,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:25:19,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:19,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:25:19,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:25:19,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:25:19,335 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:25:19,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:25:19,336 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_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2024-12-06 01:25:19,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:25:19,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:25:19,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:25:19,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:25:19,584 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:25:19,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-12-06 01:25:22,204 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/bdc7db71a/7122c3d632f54b5b9496c4c10be0e081/FLAGd06a0f87d [2024-12-06 01:25:22,431 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:25:22,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-12-06 01:25:22,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/bdc7db71a/7122c3d632f54b5b9496c4c10be0e081/FLAGd06a0f87d [2024-12-06 01:25:22,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/bdc7db71a/7122c3d632f54b5b9496c4c10be0e081 [2024-12-06 01:25:22,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:25:22,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:25:22,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:22,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:25:22,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:25:22,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66624a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22, skipping insertion in model container [2024-12-06 01:25:22,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:25:22,623 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-12-06 01:25:22,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:22,668 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:25:22,677 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-12-06 01:25:22,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:22,708 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:25:22,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22 WrapperNode [2024-12-06 01:25:22,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:22,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:22,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:25:22,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:25:22,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,762 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 150 [2024-12-06 01:25:22,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:22,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:25:22,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:25:22,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:25:22,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:25:22,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:25:22,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:25:22,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:25:22,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:22" (1/1) ... [2024-12-06 01:25:22,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:22,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:25:22,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:25:22,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:25:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:25:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:25:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:25:22,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:25:22,940 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:25:22,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:25:23,277 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-06 01:25:23,278 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:25:23,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:25:23,500 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:25:23,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:23 BoogieIcfgContainer [2024-12-06 01:25:23,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:25:23,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:25:23,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:25:23,511 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:25:23,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:23" (1/1) ... [2024-12-06 01:25:23,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:25:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:23,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:25:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:25:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:25:23,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:23,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:25:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:23,704 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:23,823 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:23,870 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:25:23,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:25:23 ImpRootNode [2024-12-06 01:25:23,895 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:25:23,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:25:23,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:25:23,896 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:25:23,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:23" (3/4) ... [2024-12-06 01:25:23,898 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:25:23,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:25:23,900 INFO L158 Benchmark]: Toolchain (without parser) took 1440.51ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 84.9MB in the end (delta: 32.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-12-06 01:25:23,900 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:23,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.41ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:23,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.78ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 100.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:23,901 INFO L158 Benchmark]: Boogie Preprocessor took 34.32ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:23,902 INFO L158 Benchmark]: RCFGBuilder took 702.01ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 105.9MB in the end (delta: -7.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:23,902 INFO L158 Benchmark]: CodeCheck took 393.92ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 85.5MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:25:23,903 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 84.9MB in the end (delta: 594.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:23,905 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 45, overapproximation of bitwiseAnd at line 58. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L35] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L38] const SORT_3 var_4 = 2; [L39] const SORT_7 var_9 = 2; [L40] const SORT_1 var_13 = 1; [L41] const SORT_3 var_17 = 6; [L43] SORT_1 input_2; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L45] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L46] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L48] SORT_3 init_6_arg_1 = var_4; [L49] state_5 = init_6_arg_1 [L50] SORT_3 init_19_arg_1 = var_17; [L51] state_18 = init_19_arg_1 VAL [mask_SORT_1=1, mask_SORT_21=3, mask_SORT_3=7, state_18=6, state_5=2, var_13=1, var_9=2] [L54] input_2 = __VERIFIER_nondet_uchar() [L57] SORT_3 var_8_arg_0 = state_5; [L58] EXPR var_8_arg_0 & mask_SORT_3 [L58] var_8_arg_0 = var_8_arg_0 & mask_SORT_3 [L59] SORT_7 var_8 = var_8_arg_0; [L60] SORT_7 var_10_arg_0 = var_8; [L61] SORT_7 var_10_arg_1 = var_9; [L62] SORT_1 var_10 = var_10_arg_0 >= var_10_arg_1; [L63] SORT_1 var_14_arg_0 = var_10; [L64] SORT_1 var_14 = ~var_14_arg_0; [L65] SORT_1 var_15_arg_0 = var_13; [L66] SORT_1 var_15_arg_1 = var_14; [L67] EXPR var_15_arg_0 & var_15_arg_1 [L67] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L68] EXPR var_15 & mask_SORT_1 [L68] var_15 = var_15 & mask_SORT_1 [L69] SORT_1 bad_16_arg_0 = var_15; [L70] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.41ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.78ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 100.4MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.32ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 702.01ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 105.9MB in the end (delta: -7.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * CodeCheck took 393.92ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 85.5MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 84.9MB in the end (delta: 594.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:25:23,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/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_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:25:25,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:25:25,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:25:26,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:25:26,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:25:26,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:25:26,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:25:26,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:25:26,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:25:26,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:25:26,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:25:26,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:25:26,022 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:25:26,022 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:25:26,022 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:26,022 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:25:26,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:25:26,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:26,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:25:26,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:25:26,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:25:26,023 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:25:26,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:26,023 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:25:26,023 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_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2024-12-06 01:25:26,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:25:26,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:25:26,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:25:26,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:25:26,287 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:25:26,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-12-06 01:25:28,997 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/bb96f9d4b/db9a8f052ca34fcd99110bb1e2650a18/FLAG508ae9d18 [2024-12-06 01:25:29,197 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:25:29,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2024-12-06 01:25:29,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/bb96f9d4b/db9a8f052ca34fcd99110bb1e2650a18/FLAG508ae9d18 [2024-12-06 01:25:29,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/data/bb96f9d4b/db9a8f052ca34fcd99110bb1e2650a18 [2024-12-06 01:25:29,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:25:29,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:25:29,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:29,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:25:29,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:25:29,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534d3b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29, skipping insertion in model container [2024-12-06 01:25:29,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:25:29,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-12-06 01:25:29,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:29,689 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:25:29,696 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2024-12-06 01:25:29,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:29,722 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:25:29,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29 WrapperNode [2024-12-06 01:25:29,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:29,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:29,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:25:29,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:25:29,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,748 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-12-06 01:25:29,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:29,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:25:29,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:25:29,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:25:29,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,761 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:25:29,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:25:29,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:25:29,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:25:29,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:29" (1/1) ... [2024-12-06 01:25:29,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:25:29,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:25:29,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:25:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:25:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:25:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:25:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:25:29,881 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:25:29,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:25:30,006 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 01:25:30,006 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:25:30,034 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:25:30,034 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:25:30,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:30 BoogieIcfgContainer [2024-12-06 01:25:30,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:25:30,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:25:30,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:25:30,043 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:25:30,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:30" (1/1) ... [2024-12-06 01:25:30,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:25:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:30,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:25:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:25:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:25:30,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:30,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:30,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:30,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:30,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:25:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:30,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:30,243 WARN L254 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:25:30,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:30,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:25:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:25:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:25:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:25:30,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:30,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:30,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:30,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:30,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:25:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:30,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:30,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 01:25:30,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:30,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:25:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-12-06 01:25:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-12-06 01:25:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:25:31,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:31,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:31,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:31,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:25:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:31,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:31,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:25:31,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:31,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:25:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2024-12-06 01:25:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2024-12-06 01:25:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:25:32,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:32,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:32,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:32,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:32,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:25:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:32,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:32,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:25:32,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:33,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:25:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 23 states and 46 transitions. [2024-12-06 01:25:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 46 transitions. [2024-12-06 01:25:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:25:34,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:34,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:34,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:34,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:34,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:25:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:34,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:34,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 01:25:34,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:34,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:25:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 29 states and 64 transitions. [2024-12-06 01:25:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 64 transitions. [2024-12-06 01:25:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:25:35,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:35,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:35,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:35,973 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:35,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:25:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:36,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:36,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:25:36,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:25:36,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:25:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 34 states and 78 transitions. [2024-12-06 01:25:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 78 transitions. [2024-12-06 01:25:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:25:37,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:37,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:37,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:37,668 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:37,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:25:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:37,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:25:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:25:37,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 01:25:37,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:25:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:25:38,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:25:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-12-06 01:25:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-12-06 01:25:38,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:25:38,686 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 01:25:38,692 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:25:39,136 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 01:25:39,136 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-06 01:25:39,136 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|)) (.cse3 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|)) (.cse4 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 (= (_ bv27 8) |ULTIMATE.start_main_~state_5~0#1|) .cse4) (and .cse0 (= (_ bv36 8) |ULTIMATE.start_main_~state_18~0#1|) .cse1 (= (_ bv0 8) (bvadd (_ bv37 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3 (= (_ bv6 8) |ULTIMATE.start_main_~state_18~0#1|) .cse4) (and .cse0 .cse1 (= (_ bv54 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 .cse4 (= (_ bv18 8) |ULTIMATE.start_main_~state_5~0#1|)) (and .cse0 .cse1 (= (_ bv0 8) (bvadd (_ bv74 8) |ULTIMATE.start_main_~state_18~0#1|)) (= (_ bv0 8) (bvadd (_ bv110 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3 .cse4))) [2024-12-06 01:25:39,136 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-06 01:25:39,137 INFO L77 FloydHoareUtils]: At program point L52-1(lines 52 93) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 (= (_ bv0 8) (bvadd (_ bv74 8) |ULTIMATE.start_main_~state_18~0#1|)) (= (_ bv0 8) (bvadd (_ bv110 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 (= (_ bv27 8) |ULTIMATE.start_main_~state_5~0#1|) .cse3) (and .cse0 (= (_ bv36 8) |ULTIMATE.start_main_~state_18~0#1|) .cse1 (= (_ bv0 8) (bvadd (_ bv37 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 (= (_ bv6 8) |ULTIMATE.start_main_~state_18~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv54 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 (= (_ bv18 8) |ULTIMATE.start_main_~state_5~0#1|)))) [2024-12-06 01:25:39,137 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 (= (_ bv0 8) (bvadd (_ bv74 8) |ULTIMATE.start_main_~state_18~0#1|)) (= (_ bv0 8) (bvadd (_ bv110 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 (= (_ bv27 8) |ULTIMATE.start_main_~state_5~0#1|) .cse3) (and .cse0 (= (_ bv36 8) |ULTIMATE.start_main_~state_18~0#1|) .cse1 (= (_ bv0 8) (bvadd (_ bv37 8) |ULTIMATE.start_main_~state_5~0#1|)) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 (= (_ bv6 8) |ULTIMATE.start_main_~state_18~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv54 8) |ULTIMATE.start_main_~state_18~0#1|) .cse2 .cse3 (= (_ bv18 8) |ULTIMATE.start_main_~state_5~0#1|)))) [2024-12-06 01:25:39,137 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:25:39,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:25:39 ImpRootNode [2024-12-06 01:25:39,148 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:25:39,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:25:39,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:25:39,149 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:25:39,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:30" (3/4) ... [2024-12-06 01:25:39,152 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:25:39,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 01:25:39,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 01:25:39,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:25:39,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:25:39,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:25:39,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:25:39,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:25:39,236 INFO L158 Benchmark]: Toolchain (without parser) took 9683.53ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 70.4MB in the beginning and 108.5MB in the end (delta: -38.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-12-06 01:25:39,236 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:39,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.76ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 57.7MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:39,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.78ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:39,237 INFO L158 Benchmark]: Boogie Preprocessor took 17.89ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 55.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:39,237 INFO L158 Benchmark]: RCFGBuilder took 267.19ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 40.9MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:39,238 INFO L158 Benchmark]: CodeCheck took 9112.97ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 40.9MB in the beginning and 112.7MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:39,238 INFO L158 Benchmark]: Witness Printer took 86.17ms. Allocated memory is still 151.0MB. Free memory was 112.7MB in the beginning and 108.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:39,240 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 951 IncrementalHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 7 mSDtfsCounter, 951 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1048 GetRequests, 886 SyntacticMatches, 40 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6504 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1195 SizeOfPredicates, 34 NumberOfNonLiveVariables, 574 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 3/147 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ((((((((((2 == var_9) && (7 == mask_SORT_3)) && (0 == ((74 + state_18) % 256))) && (0 == ((110 + state_5) % 256))) && (3 == mask_SORT_21)) && (1 == mask_SORT_1)) || ((((((2 == var_9) && (7 == mask_SORT_3)) && (4 == state_18)) && (3 == mask_SORT_21)) && (27 == state_5)) && (1 == mask_SORT_1))) || ((((((2 == var_9) && (36 == state_18)) && (7 == mask_SORT_3)) && (0 == ((37 + state_5) % 256))) && (3 == mask_SORT_21)) && (1 == mask_SORT_1))) || ((((((2 == var_9) && (7 == mask_SORT_3)) && (2 == state_5)) && (3 == mask_SORT_21)) && (6 == state_18)) && (1 == mask_SORT_1))) || ((((((2 == var_9) && (7 == mask_SORT_3)) && (54 == state_18)) && (3 == mask_SORT_21)) && (1 == mask_SORT_1)) && (18 == state_5))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.76ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 57.7MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.78ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.89ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 55.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.19ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 40.9MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 9112.97ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 40.9MB in the beginning and 112.7MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.17ms. Allocated memory is still 151.0MB. Free memory was 112.7MB in the beginning and 108.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:25:39,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31da5b39-33bc-43ea-9f08-fc306a546039/bin/ukojak-verify-CZk0znPC7b/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: TRUE