./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC --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 ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:34,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:34,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:19:34,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:34,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:34,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:34,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:34,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:34,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:34,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:34,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:34,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:34,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:34,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:34,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:34,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:34,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:34,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:34,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:34,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:34,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:34,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:34,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:34,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:34,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:34,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:34,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:34,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:34,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:34,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:34,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-23 20:19:34,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:34,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:34,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:34,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:34,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:34,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-23 20:19:37,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:38,269 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:38,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-23 20:19:38,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data/48ea0cfca/dba095a17f164f88ad7cc07939cf5c17/FLAG0cd0ab485 [2023-11-23 20:19:38,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data/48ea0cfca/dba095a17f164f88ad7cc07939cf5c17 [2023-11-23 20:19:38,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:38,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:38,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:38,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:38,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:38,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:38,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f663810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38, skipping insertion in model container [2023-11-23 20:19:38,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:38,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:38,565 WARN L240 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_9b5038ce-853e-448e-8cb0-586b1aa93199/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-23 20:19:38,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:38,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:38,787 WARN L240 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_9b5038ce-853e-448e-8cb0-586b1aa93199/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-23 20:19:38,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:38,885 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:38,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38 WrapperNode [2023-11-23 20:19:38,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:38,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:38,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:38,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:38,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:38,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,055 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 626 [2023-11-23 20:19:39,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:39,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:39,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:39,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:39,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:39,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:39,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:39,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:39,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:38" (1/1) ... [2023-11-23 20:19:39,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:39,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:39,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:39,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:39,540 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:39,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:40,495 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:41,603 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:41,604 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:19:41,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:41 BoogieIcfgContainer [2023-11-23 20:19:41,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:41,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:41,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:41,619 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:41,620 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:41" (1/1) ... [2023-11-23 20:19:41,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:19:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:19:41,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:19:41,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:41,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:45,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:51,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:51,823 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:19:51,875 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:19:51,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:19:51 ImpRootNode [2023-11-23 20:19:51,887 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:19:51,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:19:51,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:19:51,888 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:19:51,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:41" (3/4) ... [2023-11-23 20:19:51,891 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:19:51,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:19:51,894 INFO L158 Benchmark]: Toolchain (without parser) took 13578.90ms. Allocated memory was 117.4MB in the beginning and 383.8MB in the end (delta: 266.3MB). Free memory was 73.2MB in the beginning and 214.3MB in the end (delta: -141.1MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,894 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:51,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.37ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 55.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.28ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 41.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,897 INFO L158 Benchmark]: Boogie Preprocessor took 214.22ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 41.2MB in the beginning and 128.8MB in the end (delta: -87.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,898 INFO L158 Benchmark]: RCFGBuilder took 2334.87ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 128.8MB in the beginning and 134.4MB in the end (delta: -5.6MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,899 INFO L158 Benchmark]: CodeCheck took 10279.03ms. Allocated memory was 211.8MB in the beginning and 383.8MB in the end (delta: 172.0MB). Free memory was 134.4MB in the beginning and 215.3MB in the end (delta: -81.0MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,900 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 383.8MB. Free memory was 215.3MB in the beginning and 214.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,904 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: 10.2s, 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, 2.5s 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 - 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 63, overapproximation of bitwiseAnd at line 75. 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 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_3 var_4 = 0; [L33] const SORT_1 var_78 = 1; [L35] SORT_1 input_2; [L37] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L37] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L38] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L38] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L39] SORT_3 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L40] SORT_3 state_43 = __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_9_arg_1 = var_4; [L45] state_8 = init_9_arg_1 [L46] SORT_3 init_26_arg_1 = var_4; [L47] state_25 = init_26_arg_1 [L48] SORT_3 init_44_arg_1 = var_4; [L49] state_43 = init_44_arg_1 VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_4=0, var_78=1] [L52] input_2 = __VERIFIER_nondet_uchar() [L55] SORT_3 var_7_arg_0 = state_5; [L56] SORT_3 var_7_arg_1 = var_4; [L57] SORT_1 var_7 = var_7_arg_0 != var_7_arg_1; [L58] SORT_3 var_10_arg_0 = state_8; [L59] SORT_3 var_10_arg_1 = var_4; [L60] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L61] SORT_1 var_11_arg_0 = var_7; [L62] SORT_1 var_11_arg_1 = var_10; [L63] EXPR var_11_arg_0 | var_11_arg_1 [L63] SORT_1 var_11 = var_11_arg_0 | var_11_arg_1; [L64] SORT_3 var_12_arg_0 = state_5; [L65] SORT_3 var_12_arg_1 = var_4; [L66] SORT_1 var_12 = var_12_arg_0 != var_12_arg_1; [L67] SORT_3 var_13_arg_0 = state_8; [L68] SORT_3 var_13_arg_1 = var_4; [L69] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L70] SORT_1 var_14_arg_0 = var_12; [L71] SORT_1 var_14_arg_1 = var_13; [L72] EXPR var_14_arg_0 | var_14_arg_1 [L72] SORT_1 var_14 = var_14_arg_0 | var_14_arg_1; [L73] SORT_1 var_15_arg_0 = var_11; [L74] SORT_1 var_15_arg_1 = var_14; [L75] EXPR var_15_arg_0 & var_15_arg_1 [L75] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L76] SORT_3 var_16_arg_0 = state_5; [L77] SORT_3 var_16_arg_1 = var_4; [L78] SORT_1 var_16 = var_16_arg_0 != var_16_arg_1; [L79] SORT_3 var_17_arg_0 = state_8; [L80] SORT_3 var_17_arg_1 = var_4; [L81] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L82] SORT_1 var_18_arg_0 = var_16; [L83] SORT_1 var_18_arg_1 = var_17; [L84] EXPR var_18_arg_0 | var_18_arg_1 [L84] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L85] SORT_1 var_19_arg_0 = var_15; [L86] SORT_1 var_19_arg_1 = var_18; [L87] EXPR var_19_arg_0 & var_19_arg_1 [L87] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L88] SORT_3 var_20_arg_0 = state_5; [L89] SORT_3 var_20_arg_1 = var_4; [L90] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L91] SORT_3 var_21_arg_0 = state_8; [L92] SORT_3 var_21_arg_1 = var_4; [L93] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L94] SORT_1 var_22_arg_0 = var_20; [L95] SORT_1 var_22_arg_1 = var_21; [L96] EXPR var_22_arg_0 | var_22_arg_1 [L96] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L97] SORT_1 var_23_arg_0 = var_19; [L98] SORT_1 var_23_arg_1 = var_22; [L99] EXPR var_23_arg_0 & var_23_arg_1 [L99] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L100] SORT_3 var_24_arg_0 = state_8; [L101] SORT_3 var_24_arg_1 = var_4; [L102] SORT_1 var_24 = var_24_arg_0 != var_24_arg_1; [L103] SORT_3 var_27_arg_0 = state_25; [L104] SORT_3 var_27_arg_1 = var_4; [L105] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L106] SORT_1 var_28_arg_0 = var_24; [L107] SORT_1 var_28_arg_1 = var_27; [L108] EXPR var_28_arg_0 | var_28_arg_1 [L108] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L109] SORT_1 var_29_arg_0 = var_23; [L110] SORT_1 var_29_arg_1 = var_28; [L111] EXPR var_29_arg_0 & var_29_arg_1 [L111] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L112] SORT_3 var_30_arg_0 = state_8; [L113] SORT_3 var_30_arg_1 = var_4; [L114] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L115] SORT_3 var_31_arg_0 = state_25; [L116] SORT_3 var_31_arg_1 = var_4; [L117] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L118] SORT_1 var_32_arg_0 = var_30; [L119] SORT_1 var_32_arg_1 = var_31; [L120] EXPR var_32_arg_0 | var_32_arg_1 [L120] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L121] SORT_1 var_33_arg_0 = var_29; [L122] SORT_1 var_33_arg_1 = var_32; [L123] EXPR var_33_arg_0 & var_33_arg_1 [L123] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L124] SORT_3 var_34_arg_0 = state_8; [L125] SORT_3 var_34_arg_1 = var_4; [L126] SORT_1 var_34 = var_34_arg_0 != var_34_arg_1; [L127] SORT_3 var_35_arg_0 = state_25; [L128] SORT_3 var_35_arg_1 = var_4; [L129] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L130] SORT_1 var_36_arg_0 = var_34; [L131] SORT_1 var_36_arg_1 = var_35; [L132] EXPR var_36_arg_0 | var_36_arg_1 [L132] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L133] SORT_1 var_37_arg_0 = var_33; [L134] SORT_1 var_37_arg_1 = var_36; [L135] EXPR var_37_arg_0 & var_37_arg_1 [L135] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L136] SORT_3 var_38_arg_0 = state_8; [L137] SORT_3 var_38_arg_1 = var_4; [L138] SORT_1 var_38 = var_38_arg_0 != var_38_arg_1; [L139] SORT_3 var_39_arg_0 = state_25; [L140] SORT_3 var_39_arg_1 = var_4; [L141] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L142] SORT_1 var_40_arg_0 = var_38; [L143] SORT_1 var_40_arg_1 = var_39; [L144] EXPR var_40_arg_0 | var_40_arg_1 [L144] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L145] SORT_1 var_41_arg_0 = var_37; [L146] SORT_1 var_41_arg_1 = var_40; [L147] EXPR var_41_arg_0 & var_41_arg_1 [L147] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L148] SORT_3 var_42_arg_0 = state_25; [L149] SORT_3 var_42_arg_1 = var_4; [L150] SORT_1 var_42 = var_42_arg_0 != var_42_arg_1; [L151] SORT_3 var_45_arg_0 = state_43; [L152] SORT_3 var_45_arg_1 = var_4; [L153] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L154] SORT_1 var_46_arg_0 = var_42; [L155] SORT_1 var_46_arg_1 = var_45; [L156] EXPR var_46_arg_0 | var_46_arg_1 [L156] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L157] SORT_1 var_47_arg_0 = var_41; [L158] SORT_1 var_47_arg_1 = var_46; [L159] EXPR var_47_arg_0 & var_47_arg_1 [L159] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L160] SORT_3 var_48_arg_0 = state_25; [L161] SORT_3 var_48_arg_1 = var_4; [L162] SORT_1 var_48 = var_48_arg_0 != var_48_arg_1; [L163] SORT_3 var_49_arg_0 = state_43; [L164] SORT_3 var_49_arg_1 = var_4; [L165] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L166] SORT_1 var_50_arg_0 = var_48; [L167] SORT_1 var_50_arg_1 = var_49; [L168] EXPR var_50_arg_0 | var_50_arg_1 [L168] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L169] SORT_1 var_51_arg_0 = var_47; [L170] SORT_1 var_51_arg_1 = var_50; [L171] EXPR var_51_arg_0 & var_51_arg_1 [L171] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L172] SORT_3 var_52_arg_0 = state_25; [L173] SORT_3 var_52_arg_1 = var_4; [L174] SORT_1 var_52 = var_52_arg_0 != var_52_arg_1; [L175] SORT_3 var_53_arg_0 = state_43; [L176] SORT_3 var_53_arg_1 = var_4; [L177] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L178] SORT_1 var_54_arg_0 = var_52; [L179] SORT_1 var_54_arg_1 = var_53; [L180] EXPR var_54_arg_0 | var_54_arg_1 [L180] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L181] SORT_1 var_55_arg_0 = var_51; [L182] SORT_1 var_55_arg_1 = var_54; [L183] EXPR var_55_arg_0 & var_55_arg_1 [L183] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L184] SORT_3 var_56_arg_0 = state_25; [L185] SORT_3 var_56_arg_1 = var_4; [L186] SORT_1 var_56 = var_56_arg_0 != var_56_arg_1; [L187] SORT_3 var_57_arg_0 = state_43; [L188] SORT_3 var_57_arg_1 = var_4; [L189] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L190] SORT_1 var_58_arg_0 = var_56; [L191] SORT_1 var_58_arg_1 = var_57; [L192] EXPR var_58_arg_0 | var_58_arg_1 [L192] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L193] SORT_1 var_59_arg_0 = var_55; [L194] SORT_1 var_59_arg_1 = var_58; [L195] EXPR var_59_arg_0 & var_59_arg_1 [L195] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L196] SORT_3 var_60_arg_0 = state_43; [L197] SORT_3 var_60_arg_1 = var_4; [L198] SORT_1 var_60 = var_60_arg_0 != var_60_arg_1; [L199] SORT_3 var_61_arg_0 = state_5; [L200] SORT_3 var_61_arg_1 = var_4; [L201] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L202] SORT_1 var_62_arg_0 = var_60; [L203] SORT_1 var_62_arg_1 = var_61; [L204] EXPR var_62_arg_0 | var_62_arg_1 [L204] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L205] SORT_1 var_63_arg_0 = var_59; [L206] SORT_1 var_63_arg_1 = var_62; [L207] EXPR var_63_arg_0 & var_63_arg_1 [L207] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L208] SORT_3 var_64_arg_0 = state_43; [L209] SORT_3 var_64_arg_1 = var_4; [L210] SORT_1 var_64 = var_64_arg_0 != var_64_arg_1; [L211] SORT_3 var_65_arg_0 = state_5; [L212] SORT_3 var_65_arg_1 = var_4; [L213] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L214] SORT_1 var_66_arg_0 = var_64; [L215] SORT_1 var_66_arg_1 = var_65; [L216] EXPR var_66_arg_0 | var_66_arg_1 [L216] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L217] SORT_1 var_67_arg_0 = var_63; [L218] SORT_1 var_67_arg_1 = var_66; [L219] EXPR var_67_arg_0 & var_67_arg_1 [L219] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L220] SORT_3 var_68_arg_0 = state_43; [L221] SORT_3 var_68_arg_1 = var_4; [L222] SORT_1 var_68 = var_68_arg_0 != var_68_arg_1; [L223] SORT_3 var_69_arg_0 = state_5; [L224] SORT_3 var_69_arg_1 = var_4; [L225] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L226] SORT_1 var_70_arg_0 = var_68; [L227] SORT_1 var_70_arg_1 = var_69; [L228] EXPR var_70_arg_0 | var_70_arg_1 [L228] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L229] SORT_1 var_71_arg_0 = var_67; [L230] SORT_1 var_71_arg_1 = var_70; [L231] EXPR var_71_arg_0 & var_71_arg_1 [L231] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L232] SORT_3 var_72_arg_0 = state_43; [L233] SORT_3 var_72_arg_1 = var_4; [L234] SORT_1 var_72 = var_72_arg_0 != var_72_arg_1; [L235] SORT_3 var_73_arg_0 = state_5; [L236] SORT_3 var_73_arg_1 = var_4; [L237] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L238] SORT_1 var_74_arg_0 = var_72; [L239] SORT_1 var_74_arg_1 = var_73; [L240] EXPR var_74_arg_0 | var_74_arg_1 [L240] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L241] SORT_1 var_75_arg_0 = var_71; [L242] SORT_1 var_75_arg_1 = var_74; [L243] EXPR var_75_arg_0 & var_75_arg_1 [L243] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L244] SORT_1 var_79_arg_0 = var_75; [L245] SORT_1 var_79 = ~var_79_arg_0; [L246] SORT_1 var_80_arg_0 = var_78; [L247] SORT_1 var_80_arg_1 = var_79; [L248] EXPR var_80_arg_0 & var_80_arg_1 [L248] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L249] EXPR var_80 & mask_SORT_1 [L249] var_80 = var_80 & mask_SORT_1 [L250] SORT_1 bad_81_arg_0 = var_80; [L251] CALL __VERIFIER_assert(!(bad_81_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.37ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 55.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.28ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 41.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 214.22ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 41.2MB in the beginning and 128.8MB in the end (delta: -87.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2334.87ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 128.8MB in the beginning and 134.4MB in the end (delta: -5.6MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * CodeCheck took 10279.03ms. Allocated memory was 211.8MB in the beginning and 383.8MB in the end (delta: 172.0MB). Free memory was 134.4MB in the beginning and 215.3MB in the end (delta: -81.0MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 383.8MB. Free memory was 215.3MB in the beginning and 214.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:19:51,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC --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 ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:54,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:54,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:19:55,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:55,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:55,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:55,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:55,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:55,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:55,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:55,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:55,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:55,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:55,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:55,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:19:55,029 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:19:55,029 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:19:55,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:55,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:55,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:55,032 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:55,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:55,033 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:55,034 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:55,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:55,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:55,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:55,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:55,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:55,037 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:19:55,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:55,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:55,039 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:19:55,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:55,040 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5f6e98a9adcbdf5e1e7125ae4ea5d0cf3bfadfc22b5bc300cef6d9a8d4cfbb [2023-11-23 20:19:55,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:55,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:55,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:55,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:55,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:55,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-23 20:19:58,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:59,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:59,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2023-11-23 20:19:59,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data/af6758d95/d4915836d8434215a45b35601a170507/FLAGe2b1946d3 [2023-11-23 20:19:59,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/data/af6758d95/d4915836d8434215a45b35601a170507 [2023-11-23 20:19:59,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:59,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:59,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:59,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:59,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:59,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acb5c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59, skipping insertion in model container [2023-11-23 20:19:59,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:59,405 WARN L240 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_9b5038ce-853e-448e-8cb0-586b1aa93199/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-23 20:19:59,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:59,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:59,566 WARN L240 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_9b5038ce-853e-448e-8cb0-586b1aa93199/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1248,1261] [2023-11-23 20:19:59,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:59,678 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:59,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59 WrapperNode [2023-11-23 20:19:59,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:59,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:59,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:59,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:59,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,767 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 256 [2023-11-23 20:19:59,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:59,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:59,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:59,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:59,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:59,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:59,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:59,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:59,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:59,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:59,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:59,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:19:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:00,166 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:00,169 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:00,636 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:00,688 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:00,689 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:20:00,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:00 BoogieIcfgContainer [2023-11-23 20:20:00,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:00,692 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:00,692 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:00,703 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:00,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:00" (1/1) ... [2023-11-23 20:20:00,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:20:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:20:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:20:00,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:00,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:00,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:00,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:00,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:20:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:01,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:01,263 WARN L260 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 142 conjunts are in the unsatisfiable core [2023-11-23 20:20:01,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:04,382 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:04,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:20:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:20:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:04,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:04,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:04,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:04,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:20:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,285 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:07,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-11-23 20:20:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-11-23 20:20:07,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:20:07,551 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-23 20:20:07,561 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-23 20:20:07,600 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-23 20:20:07,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:20:07 ImpRootNode [2023-11-23 20:20:07,606 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:20:07,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:20:07,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:20:07,607 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:20:07,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:00" (3/4) ... [2023-11-23 20:20:07,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:20:07,619 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 20:20:07,620 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:20:07,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:20:07,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:20:07,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:20:07,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:20:07,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:20:07,739 INFO L158 Benchmark]: Toolchain (without parser) took 8579.67ms. Allocated memory was 121.6MB in the beginning and 348.1MB in the end (delta: 226.5MB). Free memory was 97.2MB in the beginning and 224.0MB in the end (delta: -126.7MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2023-11-23 20:20:07,740 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 81.8MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:07,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.91ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 80.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:07,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.01ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:07,741 INFO L158 Benchmark]: Boogie Preprocessor took 100.98ms. Allocated memory is still 121.6MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:07,741 INFO L158 Benchmark]: RCFGBuilder took 819.33ms. Allocated memory is still 121.6MB. Free memory was 75.2MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:07,742 INFO L158 Benchmark]: CodeCheck took 6914.65ms. Allocated memory was 121.6MB in the beginning and 348.1MB in the end (delta: 226.5MB). Free memory was 73.2MB in the beginning and 230.1MB in the end (delta: -157.0MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2023-11-23 20:20:07,742 INFO L158 Benchmark]: Witness Printer took 131.69ms. Allocated memory is still 348.1MB. Free memory was 230.1MB in the beginning and 224.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:20:07,744 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: 6.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 322 NumberOfNonLiveVariables, 656 ConjunctsInSsa, 293 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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 - 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: 50]: Loop Invariant Derived loop invariant: (((((1 == mask_SORT_1) && (state_8 == var_4)) && (state_5 == var_4)) && (var_4 == state_43)) && (var_4 == state_25)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 81.8MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.91ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 80.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.01ms. Allocated memory is still 121.6MB. Free memory was 80.5MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.98ms. Allocated memory is still 121.6MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 819.33ms. Allocated memory is still 121.6MB. Free memory was 75.2MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * CodeCheck took 6914.65ms. Allocated memory was 121.6MB in the beginning and 348.1MB in the end (delta: 226.5MB). Free memory was 73.2MB in the beginning and 230.1MB in the end (delta: -157.0MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Witness Printer took 131.69ms. Allocated memory is still 348.1MB. Free memory was 230.1MB in the beginning and 224.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:20:07,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5038ce-853e-448e-8cb0-586b1aa93199/bin/ukojak-verify-1t5iHCbJaC/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