./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:14,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:14,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:36:14,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:36:14,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:36:14,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:14,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:14,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:14,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:14,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:14,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:14,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:14,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:36:14,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:14,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:14,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:14,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:14,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:14,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:14,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:14,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:14,901 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:36:14,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:36:14,901 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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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 -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2024-12-06 02:36:15,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:15,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:15,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:15,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:15,127 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:15,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2024-12-06 02:36:17,871 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/e2352a528/a1dfc259675d493f8525ee5bf0f3ac18/FLAGad57c9d8e [2024-12-06 02:36:18,053 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:18,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2024-12-06 02:36:18,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/e2352a528/a1dfc259675d493f8525ee5bf0f3ac18/FLAGad57c9d8e [2024-12-06 02:36:18,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/e2352a528/a1dfc259675d493f8525ee5bf0f3ac18 [2024-12-06 02:36:18,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:18,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:18,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:18,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:18,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:18,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1750b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18, skipping insertion in model container [2024-12-06 02:36:18,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:18,561 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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-12-06 02:36:18,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:18,608 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:36:18,617 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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-12-06 02:36:18,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:18,651 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:36:18,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18 WrapperNode [2024-12-06 02:36:18,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:18,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:18,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:36:18,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:36:18,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,697 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2024-12-06 02:36:18,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:18,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:36:18,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:36:18,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:36:18,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,716 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:36:18,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:36:18,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:36:18,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:36:18,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:18" (1/1) ... [2024-12-06 02:36:18,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:36:18,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:36:18,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:36:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:36:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:36:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:36:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:36:18,859 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:36:18,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:36:19,151 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-12-06 02:36:19,151 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:36:19,396 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:36:19,396 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:36:19,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:19 BoogieIcfgContainer [2024-12-06 02:36:19,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:36:19,398 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:36:19,398 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:36:19,408 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:36:19,408 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:19" (1/1) ... [2024-12-06 02:36:19,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:36:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:36:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:36:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:36:19,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:19,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:36:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:19,644 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:36:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:19,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:36:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:19,907 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:36:19,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:36:19 ImpRootNode [2024-12-06 02:36:19,931 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:36:19,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:36:19,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:36:19,932 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:36:19,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:19" (3/4) ... [2024-12-06 02:36:19,935 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:36:19,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:36:19,937 INFO L158 Benchmark]: Toolchain (without parser) took 1508.99ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 40.2MB in the end (delta: 52.0MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-12-06 02:36:19,937 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:19,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.83ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.7MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:36:19,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.28ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:19,939 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:19,939 INFO L158 Benchmark]: RCFGBuilder took 668.72ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 71.4MB in the end (delta: 4.3MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-12-06 02:36:19,940 INFO L158 Benchmark]: CodeCheck took 533.27ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 40.2MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:36:19,940 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 117.4MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:19,942 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 bitwiseOr at line 76, overapproximation of bitwiseAnd at line 63, overapproximation of bitwiseAnd at line 46. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 20); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (20 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_10 = 1; [L37] const SORT_8 var_13 = 5; [L38] const SORT_8 var_17 = 7; [L39] const SORT_1 var_22 = 1; [L40] const SORT_4 var_26 = 5; [L41] const SORT_4 var_29 = 7; [L43] SORT_1 input_2; [L44] SORT_1 input_3; [L46] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L46] SORT_4 state_6 = __VERIFIER_nondet_uint() & mask_SORT_4; [L47] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L47] SORT_4 state_27 = __VERIFIER_nondet_uint() & mask_SORT_4; [L48] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L48] SORT_4 state_30 = __VERIFIER_nondet_uint() & mask_SORT_4; [L50] SORT_4 init_7_arg_1 = var_5; [L51] state_6 = init_7_arg_1 [L52] SORT_4 init_28_arg_1 = var_26; [L53] state_27 = init_28_arg_1 [L54] SORT_4 init_31_arg_1 = var_29; [L55] state_30 = init_31_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=1048575, state_27=5, state_30=7, state_6=1, var_10=1, var_13=5, var_17=7, var_22=1] [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_9_arg_0 = state_6; [L63] EXPR var_9_arg_0 & mask_SORT_4 [L63] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 [L64] SORT_8 var_9 = var_9_arg_0; [L65] SORT_8 var_11_arg_0 = var_9; [L66] SORT_8 var_11_arg_1 = var_10; [L67] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L68] SORT_4 var_12_arg_0 = state_6; [L69] EXPR var_12_arg_0 & mask_SORT_4 [L69] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 [L70] SORT_8 var_12 = var_12_arg_0; [L71] SORT_8 var_14_arg_0 = var_12; [L72] SORT_8 var_14_arg_1 = var_13; [L73] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L74] SORT_1 var_15_arg_0 = var_11; [L75] SORT_1 var_15_arg_1 = var_14; [L76] EXPR var_15_arg_0 | var_15_arg_1 [L76] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L77] SORT_4 var_16_arg_0 = state_6; [L78] EXPR var_16_arg_0 & mask_SORT_4 [L78] var_16_arg_0 = var_16_arg_0 & mask_SORT_4 [L79] SORT_8 var_16 = var_16_arg_0; [L80] SORT_8 var_18_arg_0 = var_16; [L81] SORT_8 var_18_arg_1 = var_17; [L82] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L83] SORT_1 var_19_arg_0 = var_15; [L84] SORT_1 var_19_arg_1 = var_18; [L85] EXPR var_19_arg_0 | var_19_arg_1 [L85] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L86] SORT_1 var_23_arg_0 = var_19; [L87] SORT_1 var_23 = ~var_23_arg_0; [L88] SORT_1 var_24_arg_0 = var_22; [L89] SORT_1 var_24_arg_1 = var_23; [L90] EXPR var_24_arg_0 & var_24_arg_1 [L90] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L91] EXPR var_24 & mask_SORT_1 [L91] var_24 = var_24 & mask_SORT_1 [L92] SORT_1 bad_25_arg_0 = var_24; [L93] CALL __VERIFIER_assert(!(bad_25_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 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.83ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.7MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.28ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 668.72ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 71.4MB in the end (delta: 4.3MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * CodeCheck took 533.27ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 40.2MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 117.4MB. Free memory is still 40.2MB. 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 02:36:19,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:21,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:22,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:36:22,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:22,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:22,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:22,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:22,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:22,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:22,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:22,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:22,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:22,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:22,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:22,063 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:22,064 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:36:22,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:22,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:22,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:22,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:22,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:22,064 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:36:22,064 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:22,064 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:36:22,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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 -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2024-12-06 02:36:22,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:22,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:22,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:22,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:22,310 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:22,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2024-12-06 02:36:25,011 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/afa59a6cc/aa9592225cdc4e4192f3a0d8e3f44bc8/FLAGcb21949cb [2024-12-06 02:36:25,195 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:25,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2024-12-06 02:36:25,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/afa59a6cc/aa9592225cdc4e4192f3a0d8e3f44bc8/FLAGcb21949cb [2024-12-06 02:36:25,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/data/afa59a6cc/aa9592225cdc4e4192f3a0d8e3f44bc8 [2024-12-06 02:36:25,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:25,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:25,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:25,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:25,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:25,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfb9973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25, skipping insertion in model container [2024-12-06 02:36:25,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:25,379 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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-12-06 02:36:25,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:25,420 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:36:25,427 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_5135a6fe-a971-43c2-b92e-b4036c8ce95e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-12-06 02:36:25,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:25,452 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:36:25,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25 WrapperNode [2024-12-06 02:36:25,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:25,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:25,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:36:25,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:36:25,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,481 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2024-12-06 02:36:25,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:25,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:36:25,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:36:25,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:36:25,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,495 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:36:25,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:36:25,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:36:25,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:36:25,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:36:25,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:36:25,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:36:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:36:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:36:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:36:25,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:36:25,615 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:36:25,616 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:36:25,751 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-12-06 02:36:25,751 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:36:25,781 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:36:25,781 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:36:25,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:25 BoogieIcfgContainer [2024-12-06 02:36:25,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:36:25,783 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:36:25,783 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:36:25,795 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:36:25,795 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:25" (1/1) ... [2024-12-06 02:36:25,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:36:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:36:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:36:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:36:25,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:25,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:25,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:25,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:25,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:36:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:25,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:25,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:36:25,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:26,179 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 02:36:26,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:36:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:36:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:36:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:36:26,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:26,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:26,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:26,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:26,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:36:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:26,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:26,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:36:26,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:26,690 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 02:36:26,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:36:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-06 02:36:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-06 02:36:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:36:27,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:27,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:27,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:27,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:27,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:36:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:27,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:27,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:36:27,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:27,823 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 02:36:27,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:36:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2024-12-06 02:36:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2024-12-06 02:36:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:36:29,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:29,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:29,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:29,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:29,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:36:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:29,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:29,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:36:29,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:36:29,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:36:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2024-12-06 02:36:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2024-12-06 02:36:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:36:31,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:31,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:31,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:31,407 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:31,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:36:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:31,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:31,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:36:31,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 02:36:31,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:36:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2024-12-06 02:36:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-12-06 02:36:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:36:32,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:32,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:32,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:32,939 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:32,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:36:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:33,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:36:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:36:33,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:36:33,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:36:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:36:33,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:36:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-12-06 02:36:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-12-06 02:36:33,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:36:33,798 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 02:36:33,804 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:36:34,199 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 02:36:34,199 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-06 02:36:34,200 INFO L77 FloydHoareUtils]: At program point L56-1(lines 56 102) the Hoare annotation is: (let ((.cse0 (= (_ bv7 32) |ULTIMATE.start_main_~var_17~0#1|)) (.cse1 (= (_ bv5 32) |ULTIMATE.start_main_~var_13~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_main_~var_10~0#1|)) (.cse4 (= (_ bv1048575 32) |ULTIMATE.start_main_~mask_SORT_4~0#1|))) (or (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv5 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4 (= (_ bv7 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_main_~state_6~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_30~0#1|) .cse2 .cse3 .cse4 (= (_ bv5 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv5 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4))) [2024-12-06 02:36:34,200 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv7 32) |ULTIMATE.start_main_~var_17~0#1|)) (.cse1 (= (_ bv5 32) |ULTIMATE.start_main_~var_13~0#1|)) (.cse2 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_main_~var_10~0#1|)) (.cse5 (= (_ bv1048575 32) |ULTIMATE.start_main_~mask_SORT_4~0#1|))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_main_~state_6~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_30~0#1|) .cse2 .cse3 .cse4 .cse5 (= (_ bv5 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv5 32) |ULTIMATE.start_main_~state_6~0#1|) .cse3 .cse4 .cse5 (= (_ bv7 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv5 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4 .cse5))) [2024-12-06 02:36:34,200 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-06 02:36:34,200 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv7 32) |ULTIMATE.start_main_~var_17~0#1|)) (.cse1 (= (_ bv5 32) |ULTIMATE.start_main_~var_13~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_main_~var_10~0#1|)) (.cse4 (= (_ bv1048575 32) |ULTIMATE.start_main_~mask_SORT_4~0#1|))) (or (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv5 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4 (= (_ bv7 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_main_~state_6~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_30~0#1|) .cse2 .cse3 .cse4 (= (_ bv5 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv5 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4))) [2024-12-06 02:36:34,201 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:36:34,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:36:34 ImpRootNode [2024-12-06 02:36:34,210 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:36:34,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:36:34,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:36:34,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:36:34,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:36:25" (3/4) ... [2024-12-06 02:36:34,213 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:36:34,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 02:36:34,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 02:36:34,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:36:34,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:36:34,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:36:34,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:36:34,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:36:34,297 INFO L158 Benchmark]: Toolchain (without parser) took 9066.31ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 69.8MB in the beginning and 67.2MB in the end (delta: 2.6MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-12-06 02:36:34,298 INFO L158 Benchmark]: CDTParser took 0.37ms. 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 02:36:34,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.34ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:36:34,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.36ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:36:34,298 INFO L158 Benchmark]: Boogie Preprocessor took 20.85ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:34,299 INFO L158 Benchmark]: RCFGBuilder took 278.62ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.4MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:36:34,299 INFO L158 Benchmark]: CodeCheck took 8427.77ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 39.3MB in the beginning and 72.5MB in the end (delta: -33.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-12-06 02:36:34,299 INFO L158 Benchmark]: Witness Printer took 85.51ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 67.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:34,301 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: 8.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 660 IncrementalHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 6 mSDtfsCounter, 660 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 775 GetRequests, 639 SyntacticMatches, 24 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5120 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 722 SizeOfPredicates, 24 NumberOfNonLiveVariables, 807 ConjunctsInSsa, 152 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 10/90 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: 56]: Loop Invariant Derived loop invariant: ((((((((((7 == var_17) && (5 == var_13)) && (1 == state_30)) && (5 == state_6)) && (1 == mask_SORT_1)) && (1 == var_10)) && (1048575 == mask_SORT_4)) && (7 == state_27)) || ((((((((7 == var_17) && (1 == state_6)) && (5 == var_13)) && (7 == state_30)) && (1 == mask_SORT_1)) && (1 == var_10)) && (1048575 == mask_SORT_4)) && (5 == state_27))) || ((((((((7 == var_17) && (5 == state_30)) && (1 == state_27)) && (5 == var_13)) && (7 == state_6)) && (1 == mask_SORT_1)) && (1 == var_10)) && (1048575 == mask_SORT_4))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.34ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.36ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.85ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.62ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.4MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 8427.77ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 39.3MB in the beginning and 72.5MB in the end (delta: -33.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Witness Printer took 85.51ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 67.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:36:34,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5135a6fe-a971-43c2-b92e-b4036c8ce95e/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