./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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 da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:26:58,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:26:58,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:26:58,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:26:58,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:26:58,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:26:58,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:26:58,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:26:58,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:26:58,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:26:58,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:26:58,939 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:26:58,939 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:26:58,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:26:58,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:26:58,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:26:58,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:26:58,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:26:58,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:26:58,940 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:26:58,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:26:58,940 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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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 -> da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c [2024-12-06 03:26:59,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:26:59,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:26:59,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:26:59,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:26:59,191 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:26:59,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2024-12-06 03:27:01,825 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/8f3e70708/e9e6beebe09145a2b5dff6f616339aaf/FLAGc84014f50 [2024-12-06 03:27:02,019 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:27:02,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2024-12-06 03:27:02,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/8f3e70708/e9e6beebe09145a2b5dff6f616339aaf/FLAGc84014f50 [2024-12-06 03:27:02,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/8f3e70708/e9e6beebe09145a2b5dff6f616339aaf [2024-12-06 03:27:02,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:27:02,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:27:02,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:27:02,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:27:02,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:27:02,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f92ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02, skipping insertion in model container [2024-12-06 03:27:02,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:27:02,515 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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2024-12-06 03:27:02,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:27:02,563 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:27:02,570 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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2024-12-06 03:27:02,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:27:02,609 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:27:02,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02 WrapperNode [2024-12-06 03:27:02,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:27:02,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:27:02,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:27:02,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:27:02,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,659 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 187 [2024-12-06 03:27:02,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:27:02,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:27:02,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:27:02,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:27:02,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:27:02,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:27:02,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:27:02,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:27:02,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:02" (1/1) ... [2024-12-06 03:27:02,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:27:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:27:02,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:27:02,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:27:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:27:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:27:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:27:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:27:02,826 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:27:02,828 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:27:03,153 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-12-06 03:27:03,154 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:27:03,384 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:27:03,384 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:27:03,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:03 BoogieIcfgContainer [2024-12-06 03:27:03,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:27:03,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:27:03,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:27:03,394 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:27:03,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:03" (1/1) ... [2024-12-06 03:27:03,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:27:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:27:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:27:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:27:03,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:03,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:27:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:03,907 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 03:27:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:27:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:27:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:27:03,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:03,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:27:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:27:04,129 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:27:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:27:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:27:04,267 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:27:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:27:04,359 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 03:27:04,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:27:04 ImpRootNode [2024-12-06 03:27:04,383 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:27:04,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:27:04,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:27:04,383 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:27:04,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:03" (3/4) ... [2024-12-06 03:27:04,386 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:27:04,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:27:04,387 INFO L158 Benchmark]: Toolchain (without parser) took 1991.93ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 61.3MB in the end (delta: 56.1MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 03:27:04,388 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:27:04,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.52ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 104.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:27:04,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.91ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 99.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:27:04,389 INFO L158 Benchmark]: Boogie Preprocessor took 38.67ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 97.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:27:04,389 INFO L158 Benchmark]: RCFGBuilder took 685.60ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 94.4MB in the end (delta: 3.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-12-06 03:27:04,389 INFO L158 Benchmark]: CodeCheck took 997.46ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 62.1MB in the end (delta: 32.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-12-06 03:27:04,390 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 142.6MB. Free memory was 62.1MB in the beginning and 61.3MB in the end (delta: 749.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:27:04,392 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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, 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 bitwiseOr at line 79, overapproximation of bitwiseAnd at line 60, overapproximation of bitwiseAnd at line 39, overapproximation of bitwiseAnd at line 80. 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_3 var_4 = 0; [L33] const SORT_1 var_13 = 1; [L34] const SORT_3 var_19 = 7; [L35] const SORT_3 var_23 = 1; [L37] SORT_1 input_2; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L39] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L40] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L42] SORT_3 init_6_arg_1 = var_4; [L43] state_5 = init_6_arg_1 [L44] SORT_3 init_8_arg_1 = var_4; [L45] state_7 = init_8_arg_1 VAL [mask_SORT_1=1, mask_SORT_3=7, state_5=0, state_7=0, var_13=1, var_19=7, var_23=1] [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L63] RET __VERIFIER_assert(!(bad_16_arg_0)) [L65] SORT_3 var_25_arg_0 = state_5; [L66] SORT_3 var_25_arg_1 = state_7; [L67] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L68] SORT_3 var_24_arg_0 = state_5; [L69] SORT_3 var_24_arg_1 = var_23; [L70] SORT_3 var_24 = var_24_arg_0 + var_24_arg_1; [L71] SORT_3 var_18_arg_0 = state_5; [L72] SORT_3 var_18_arg_1 = state_7; [L73] SORT_1 var_18 = var_18_arg_0 > var_18_arg_1; [L74] SORT_3 var_20_arg_0 = state_7; [L75] SORT_3 var_20_arg_1 = var_19; [L76] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L77] SORT_1 var_21_arg_0 = var_18; [L78] SORT_1 var_21_arg_1 = var_20; [L79] EXPR var_21_arg_0 | var_21_arg_1 [L79] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L80] EXPR var_21 & mask_SORT_1 [L80] var_21 = var_21 & mask_SORT_1 [L81] SORT_1 var_22_arg_0 = var_21; [L82] SORT_3 var_22_arg_1 = state_5; [L83] SORT_3 var_22_arg_2 = state_7; [L84] SORT_3 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L85] SORT_1 var_26_arg_0 = var_25; [L86] SORT_3 var_26_arg_1 = var_24; [L87] SORT_3 var_26_arg_2 = var_22; [L88] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L89] EXPR var_26 & mask_SORT_3 [L89] var_26 = var_26 & mask_SORT_3 [L90] SORT_3 next_27_arg_1 = var_26; [L91] SORT_3 var_33_arg_0 = state_5; [L92] SORT_3 var_33_arg_1 = state_7; [L93] SORT_1 var_33 = var_33_arg_0 > var_33_arg_1; [L94] SORT_3 var_29_arg_0 = state_5; [L95] SORT_3 var_29_arg_1 = state_7; [L96] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L97] SORT_3 var_30_arg_0 = state_7; [L98] SORT_3 var_30_arg_1 = var_19; [L99] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L100] SORT_1 var_31_arg_0 = var_29; [L101] SORT_1 var_31_arg_1 = var_30; [L102] EXPR var_31_arg_0 | var_31_arg_1 [L102] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L103] EXPR var_31 & mask_SORT_1 [L103] var_31 = var_31 & mask_SORT_1 [L104] SORT_3 var_28_arg_0 = state_7; [L105] SORT_3 var_28_arg_1 = var_23; [L106] SORT_3 var_28 = var_28_arg_0 + var_28_arg_1; [L107] SORT_1 var_32_arg_0 = var_31; [L108] SORT_3 var_32_arg_1 = var_28; [L109] SORT_3 var_32_arg_2 = state_5; [L110] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L111] SORT_1 var_34_arg_0 = var_33; [L112] SORT_3 var_34_arg_1 = state_7; [L113] SORT_3 var_34_arg_2 = var_32; [L114] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L115] EXPR var_34 & mask_SORT_3 [L115] var_34 = var_34 & mask_SORT_3 [L116] SORT_3 next_35_arg_1 = var_34; [L118] state_5 = next_27_arg_1 [L119] state_7 = next_35_arg_1 [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.52ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 104.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.91ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 99.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.67ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 97.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.60ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 94.4MB in the end (delta: 3.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * CodeCheck took 997.46ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 62.1MB in the end (delta: 32.3MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 142.6MB. Free memory was 62.1MB in the beginning and 61.3MB in the end (delta: 749.1kB). 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 03:27:04,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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 da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:27:06,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:27:06,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:27:06,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:27:06,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:27:06,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:27:06,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:27:06,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:27:06,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:27:06,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:27:06,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:27:06,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:27:06,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:27:06,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:27:06,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:27:06,454 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:06,455 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:27:06,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:27:06,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:27:06,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:27:06,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:27:06,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:27:06,456 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:27:06,456 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:06,456 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:27:06,456 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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/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 -> da271682498909c2f25abbd0acdfd9a043f664f7a7cb078f9b27fc5caa97b14c [2024-12-06 03:27:06,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:27:06,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:27:06,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:27:06,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:27:06,692 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:27:06,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2024-12-06 03:27:09,359 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/20689747e/85b7fd8d41ec40498854bf4169bf0e7f/FLAG08158eb6a [2024-12-06 03:27:09,529 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:27:09,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2024-12-06 03:27:09,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/20689747e/85b7fd8d41ec40498854bf4169bf0e7f/FLAG08158eb6a [2024-12-06 03:27:09,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/data/20689747e/85b7fd8d41ec40498854bf4169bf0e7f [2024-12-06 03:27:09,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:27:09,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:27:09,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:27:09,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:27:09,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:27:09,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f785d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09, skipping insertion in model container [2024-12-06 03:27:09,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:27:09,711 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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2024-12-06 03:27:09,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:27:09,760 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:27:09,770 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_2b5b916d-7f79-473f-a3b1-7689fcfa0613/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2024-12-06 03:27:09,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:27:09,805 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:27:09,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09 WrapperNode [2024-12-06 03:27:09,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:27:09,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:27:09,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:27:09,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:27:09,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,839 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2024-12-06 03:27:09,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:27:09,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:27:09,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:27:09,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:27:09,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,856 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:27:09,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:27:09,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:27:09,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:27:09,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:27:09" (1/1) ... [2024-12-06 03:27:09,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:27:09,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:27:09,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:27:09,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:27:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:27:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:27:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:27:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:27:09,986 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:27:09,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:27:10,150 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 03:27:10,150 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:27:10,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:27:10,174 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:27:10,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:10 BoogieIcfgContainer [2024-12-06 03:27:10,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:27:10,176 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:27:10,176 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:27:10,185 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:27:10,185 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:10" (1/1) ... [2024-12-06 03:27:10,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:27:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:27:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:27:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:27:10,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:10,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:10,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:10,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:10,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:27:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:10,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:10,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 03:27:10,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:10,560 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 03:27:10,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:27:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:27:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:27:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:27:10,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:10,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:10,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:10,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:10,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:27:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:10,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:10,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 03:27:10,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:11,064 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 03:27:11,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 03:27:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-06 03:27:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-06 03:27:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:27:11,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:11,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:11,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:11,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:11,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:27:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:11,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:11,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 03:27:11,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:11,976 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 03:27:11,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:27:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 03:27:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 03:27:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:27:12,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:12,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:12,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:12,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:12,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:27:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:12,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:12,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 03:27:12,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:13,053 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 03:27:13,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:27:13,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:13,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 03:27:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 03:27:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:27:13,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:13,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:13,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:13,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:13,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:27:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:13,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:13,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 03:27:13,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:14,279 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 03:27:14,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:27:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-12-06 03:27:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-12-06 03:27:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:27:14,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:14,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:14,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:14,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:14,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:27:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:15,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:15,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 03:27:15,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:15,553 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 03:27:15,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:27:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-06 03:27:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-06 03:27:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:27:16,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:16,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:16,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:16,316 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:16,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:27:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:16,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:16,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:27:16,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:17,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:27:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-06 03:27:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 03:27:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:27:17,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:17,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:17,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:17,913 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:17,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:27:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:18,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:18,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:27:18,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:18,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:27:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 03:27:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 03:27:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:27:19,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:19,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:19,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:19,661 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:19,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:27:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:19,905 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:19,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 03:27:19,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:20,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:27:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-12-06 03:27:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-12-06 03:27:24,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:27:24,387 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-12-06 03:27:24,393 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:27:25,057 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 03:27:25,057 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-06 03:27:25,058 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv7 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~var_23~0#1|)) (.cse3 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|)) (.cse4 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 (= (_ bv5 8) |ULTIMATE.start_main_~state_7~0#1|) .cse2 (= (_ bv5 8) |ULTIMATE.start_main_~state_5~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv1 8) |ULTIMATE.start_main_~state_7~0#1|) .cse4 (= (_ bv1 8) |ULTIMATE.start_main_~state_5~0#1|)) (and .cse0 (= (_ bv3 8) |ULTIMATE.start_main_~state_7~0#1|) .cse1 .cse2 .cse3 .cse4 (= (_ bv3 8) |ULTIMATE.start_main_~state_5~0#1|)) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_7~0#1|) .cse0 .cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= (_ bv6 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3 .cse4 (= (_ bv6 8) |ULTIMATE.start_main_~state_7~0#1|)) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 (= (_ bv2 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3 .cse4) (and (= (_ bv7 8) |ULTIMATE.start_main_~state_5~0#1|) .cse0 .cse1 .cse2 (= (_ bv7 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3 .cse4) (and (= (_ bv4 8) |ULTIMATE.start_main_~state_5~0#1|) .cse0 .cse1 .cse2 .cse3 (= (_ bv4 8) |ULTIMATE.start_main_~state_7~0#1|) .cse4))) [2024-12-06 03:27:25,058 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-06 03:27:25,058 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv7 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~var_23~0#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3 (= (_ bv1 8) |ULTIMATE.start_main_~state_5~0#1|)) (and (= (_ bv4 8) |ULTIMATE.start_main_~state_5~0#1|) .cse0 .cse1 .cse2 (= (_ bv4 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_7~0#1|) .cse0 .cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv6 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3 (= (_ bv6 8) |ULTIMATE.start_main_~state_7~0#1|)) (and .cse0 (= (_ bv3 8) |ULTIMATE.start_main_~state_7~0#1|) .cse1 .cse2 .cse3 (= (_ bv3 8) |ULTIMATE.start_main_~state_5~0#1|)) (and (= (_ bv7 8) |ULTIMATE.start_main_~state_5~0#1|) .cse0 .cse1 .cse2 (= (_ bv7 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv5 8) |ULTIMATE.start_main_~state_7~0#1|) .cse2 (= (_ bv5 8) |ULTIMATE.start_main_~state_5~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 (= (_ bv2 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3))) [2024-12-06 03:27:25,058 INFO L77 FloydHoareUtils]: At program point L46-1(lines 46 120) the Hoare annotation is: (let ((.cse0 (= (_ bv7 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~var_23~0#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3 (= (_ bv1 8) |ULTIMATE.start_main_~state_5~0#1|)) (and (= (_ bv4 8) |ULTIMATE.start_main_~state_5~0#1|) .cse0 .cse1 .cse2 (= (_ bv4 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_7~0#1|) .cse0 .cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv6 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 .cse3 (= (_ bv6 8) |ULTIMATE.start_main_~state_7~0#1|)) (and .cse0 (= (_ bv3 8) |ULTIMATE.start_main_~state_7~0#1|) .cse1 .cse2 .cse3 (= (_ bv3 8) |ULTIMATE.start_main_~state_5~0#1|)) (and (= (_ bv7 8) |ULTIMATE.start_main_~state_5~0#1|) .cse0 .cse1 .cse2 (= (_ bv7 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv5 8) |ULTIMATE.start_main_~state_7~0#1|) .cse2 (= (_ bv5 8) |ULTIMATE.start_main_~state_5~0#1|) .cse3) (and .cse0 .cse1 (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) .cse2 (= (_ bv2 8) |ULTIMATE.start_main_~state_7~0#1|) .cse3))) [2024-12-06 03:27:25,058 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:27:25,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:27:25 ImpRootNode [2024-12-06 03:27:25,067 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:27:25,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:27:25,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:27:25,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:27:25,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:27:10" (3/4) ... [2024-12-06 03:27:25,070 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:27:25,077 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 03:27:25,078 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 03:27:25,078 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:27:25,078 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:27:25,159 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:27:25,160 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:27:25,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:27:25,161 INFO L158 Benchmark]: Toolchain (without parser) took 15604.90ms. Allocated memory was 92.3MB in the beginning and 226.5MB in the end (delta: 134.2MB). Free memory was 69.6MB in the beginning and 96.4MB in the end (delta: -26.8MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-12-06 03:27:25,161 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:27:25,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.11ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:27:25,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 54.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:27:25,162 INFO L158 Benchmark]: Boogie Preprocessor took 24.55ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 53.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:27:25,162 INFO L158 Benchmark]: RCFGBuilder took 309.63ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 66.4MB in the end (delta: -12.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 03:27:25,162 INFO L158 Benchmark]: CodeCheck took 14891.30ms. Allocated memory was 92.3MB in the beginning and 226.5MB in the end (delta: 134.2MB). Free memory was 66.4MB in the beginning and 101.4MB in the end (delta: -35.0MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2024-12-06 03:27:25,163 INFO L158 Benchmark]: Witness Printer took 92.35ms. Allocated memory is still 226.5MB. Free memory was 101.4MB in the beginning and 96.4MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:27:25,164 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: 14.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 394 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1328 IncrementalHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 394 mSolverCounterUnsat, 9 mSDtfsCounter, 1328 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1538 GetRequests, 1304 SyntacticMatches, 64 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13619 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 1976 SizeOfPredicates, 49 NumberOfNonLiveVariables, 882 ConjunctsInSsa, 253 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 0/324 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: 46]: Loop Invariant Derived loop invariant: (((((((((((((7 == var_19) && (7 == mask_SORT_3)) && (1 == var_23)) && (1 == state_7)) && (1 == mask_SORT_1)) && (1 == state_5)) || ((((((4 == state_5) && (7 == var_19)) && (7 == mask_SORT_3)) && (1 == var_23)) && (4 == state_7)) && (1 == mask_SORT_1))) || ((((((0 == state_7) && (7 == var_19)) && (7 == mask_SORT_3)) && (0 == state_5)) && (1 == var_23)) && (1 == mask_SORT_1))) || ((((((7 == var_19) && (7 == mask_SORT_3)) && (6 == state_5)) && (1 == var_23)) && (1 == mask_SORT_1)) && (6 == state_7))) || ((((((7 == var_19) && (3 == state_7)) && (7 == mask_SORT_3)) && (1 == var_23)) && (1 == mask_SORT_1)) && (3 == state_5))) || ((((((7 == state_5) && (7 == var_19)) && (7 == mask_SORT_3)) && (1 == var_23)) && (7 == state_7)) && (1 == mask_SORT_1))) || ((((((7 == var_19) && (7 == mask_SORT_3)) && (5 == state_7)) && (1 == var_23)) && (5 == state_5)) && (1 == mask_SORT_1))) || ((((((7 == var_19) && (7 == mask_SORT_3)) && (2 == state_5)) && (1 == var_23)) && (2 == state_7)) && (1 == mask_SORT_1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.11ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 54.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.55ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 53.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.63ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 66.4MB in the end (delta: -12.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 14891.30ms. Allocated memory was 92.3MB in the beginning and 226.5MB in the end (delta: 134.2MB). Free memory was 66.4MB in the beginning and 101.4MB in the end (delta: -35.0MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Witness Printer took 92.35ms. Allocated memory is still 226.5MB. Free memory was 101.4MB in the beginning and 96.4MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:27:25,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b5b916d-7f79-473f-a3b1-7689fcfa0613/bin/ukojak-verify-CZk0znPC7b/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 Result: TRUE