./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:14,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:14,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:08:14,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:14,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:14,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:14,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:14,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:14,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:14,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:14,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:14,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:14,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:14,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:14,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:14,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:14,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:14,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:14,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:14,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:14,281 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:14,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:14,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:14,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:14,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:14,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:14,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:14,285 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:14,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:14,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:14,287 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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2023-11-23 20:08:14,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:14,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:14,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:14,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:14,645 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:14,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-11-23 20:08:17,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:17,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:17,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-11-23 20:08:17,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data/9c35fc58c/4eafdbcd0a7c4e719e8f981bc2369808/FLAG14fe3f389 [2023-11-23 20:08:17,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data/9c35fc58c/4eafdbcd0a7c4e719e8f981bc2369808 [2023-11-23 20:08:17,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:17,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:17,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:17,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:17,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:17,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:17" (1/1) ... [2023-11-23 20:08:17,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba09f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:17, skipping insertion in model container [2023-11-23 20:08:17,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:17" (1/1) ... [2023-11-23 20:08:18,022 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:18,169 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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-11-23 20:08:18,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:18,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:18,246 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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-11-23 20:08:18,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:18,292 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:18,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18 WrapperNode [2023-11-23 20:08:18,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:18,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:18,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:18,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:18,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,362 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 177 [2023-11-23 20:08:18,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:18,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:18,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:18,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:18,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:18,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:18,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:18,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:18,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:18" (1/1) ... [2023-11-23 20:08:18,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:18,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:18,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:18,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:18,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:18,668 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:18,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:19,137 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:19,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:19,468 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:19,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:19 BoogieIcfgContainer [2023-11-23 20:08:19,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:19,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:19,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:19,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:19,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:19" (1/1) ... [2023-11-23 20:08:19,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:08:19,582 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:08:19,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:08:19,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:19,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:20,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:20,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:21,059 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:08:21,099 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:08:21,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:08:21 ImpRootNode [2023-11-23 20:08:21,108 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:08:21,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:08:21,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:08:21,111 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:08:21,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:19" (3/4) ... [2023-11-23 20:08:21,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:08:21,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:08:21,118 INFO L158 Benchmark]: Toolchain (without parser) took 3150.75ms. Allocated memory is still 148.9MB. Free memory was 105.5MB in the beginning and 62.3MB in the end (delta: 43.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-23 20:08:21,120 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:21,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.51ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 93.3MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:08:21,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.22ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:08:21,123 INFO L158 Benchmark]: Boogie Preprocessor took 41.00ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 88.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:21,125 INFO L158 Benchmark]: RCFGBuilder took 1064.52ms. Allocated memory is still 148.9MB. Free memory was 88.3MB in the beginning and 73.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:08:21,127 INFO L158 Benchmark]: CodeCheck took 1635.56ms. Allocated memory is still 148.9MB. Free memory was 73.1MB in the beginning and 62.3MB in the end (delta: 10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-23 20:08:21,127 INFO L158 Benchmark]: Witness Printer took 6.44ms. Allocated memory is still 148.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:21,137 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: 1.5s, 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, 0.4s 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 76, overapproximation of bitwiseAnd at line 63. 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 [init_28_arg_1=5, init_31_arg_1=7, init_7_arg_1=1, mask_SORT_1=1, mask_SORT_4=1048575, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=524288, msb_SORT_8=2147483648, state_27=5, state_30=7, state_6=1, var_10=1, var_13=5, var_17=7, var_22=1, var_26=5, var_29=7, var_5=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) 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 0.24ms. Allocated memory is still 107.0MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.51ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 93.3MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.22ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.00ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 88.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1064.52ms. Allocated memory is still 148.9MB. Free memory was 88.3MB in the beginning and 73.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1635.56ms. Allocated memory is still 148.9MB. Free memory was 73.1MB in the beginning and 62.3MB in the end (delta: 10.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 6.44ms. Allocated memory is still 148.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:08:21,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:23,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:24,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:08:24,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:24,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:24,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:24,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:24,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:24,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:24,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:24,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:24,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:24,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:24,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:24,073 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:08:24,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:08:24,074 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:08:24,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:24,075 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:24,076 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:24,076 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:24,077 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:24,077 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:24,078 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:08:24,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:24,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:24,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:24,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:24,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:24,080 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:08:24,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:24,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:24,082 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:08:24,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:08:24,082 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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2023-11-23 20:08:24,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:24,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:24,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:24,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:24,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:24,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-11-23 20:08:27,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:28,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:28,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2023-11-23 20:08:28,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data/1edfdcf17/36cc4e994c5c4efea7ee38f166ed5995/FLAGf9c0edb5a [2023-11-23 20:08:28,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/data/1edfdcf17/36cc4e994c5c4efea7ee38f166ed5995 [2023-11-23 20:08:28,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:28,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:28,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:28,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:28,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:28,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266ce24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28, skipping insertion in model container [2023-11-23 20:08:28,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:28,547 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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-11-23 20:08:28,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:28,637 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:28,656 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_ea3a2781-6fe3-4339-926b-3cb6d96babc9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2023-11-23 20:08:28,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:28,716 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:28,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28 WrapperNode [2023-11-23 20:08:28,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:28,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:28,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:28,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:28,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,780 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-23 20:08:28,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:28,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:28,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:28,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:28,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:28,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:28,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:28,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:28,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:28,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:28,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:28,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:08:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:29,138 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:29,141 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:29,447 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:29,505 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:29,514 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:29,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:29 BoogieIcfgContainer [2023-11-23 20:08:29,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:29,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:29,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:29,529 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:29,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:29" (1/1) ... [2023-11-23 20:08:29,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:08:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:08:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:08:29,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:29,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:29,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:29,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:29,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:08:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:29,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:08:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:29,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:08:29,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:30,241 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 20:08:30,243 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:08:30,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:08:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:08:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:08:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:08:30,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:30,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:30,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:30,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:30,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:08:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:30,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:08:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:30,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 20:08:30,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:30,925 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:08:30,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-23 20:08:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:08:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:08:31,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:08:31,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:31,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:31,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:31,564 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:31,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:08:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:31,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:08:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:31,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 20:08:31,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:32,251 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:08:32,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:08:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2023-11-23 20:08:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2023-11-23 20:08:34,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:08:34,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:34,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:34,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:34,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:34,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:08:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:34,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:08:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:34,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 20:08:34,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:08:35,006 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:08:35,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:08:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2023-11-23 20:08:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2023-11-23 20:08:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:08:37,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:37,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:37,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:37,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:37,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:08:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:37,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:08:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:37,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-23 20:08:37,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:08:38,336 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:08:38,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:08:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:40,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2023-11-23 20:08:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2023-11-23 20:08:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:08:40,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:40,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:40,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:40,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:40,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 20:08:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:40,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:08:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:40,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-23 20:08:40,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:40,681 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:08:40,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 20:08:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-23 20:08:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-23 20:08:41,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:08:41,318 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-23 20:08:41,327 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-23 20:08:41,523 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2023-11-23 20:08:41,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:08:41 ImpRootNode [2023-11-23 20:08:41,540 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:08:41,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:08:41,541 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:08:41,542 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:08:41,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:29" (3/4) ... [2023-11-23 20:08:41,546 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:08:41,556 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 20:08:41,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:08:41,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:08:41,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:08:41,666 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:08:41,667 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:08:41,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:08:41,668 INFO L158 Benchmark]: Toolchain (without parser) took 13336.74ms. Allocated memory was 79.7MB in the beginning and 161.5MB in the end (delta: 81.8MB). Free memory was 56.2MB in the beginning and 55.1MB in the end (delta: 1.1MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2023-11-23 20:08:41,669 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:41,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.90ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 43.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:08:41,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.11ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 42.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:41,670 INFO L158 Benchmark]: Boogie Preprocessor took 56.22ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:41,671 INFO L158 Benchmark]: RCFGBuilder took 678.12ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 45.1MB in the end (delta: -4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:08:41,671 INFO L158 Benchmark]: CodeCheck took 12022.46ms. Allocated memory was 79.7MB in the beginning and 161.5MB in the end (delta: 81.8MB). Free memory was 45.1MB in the beginning and 60.3MB in the end (delta: -15.2MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-11-23 20:08:41,672 INFO L158 Benchmark]: Witness Printer took 127.31ms. Allocated memory is still 161.5MB. Free memory was 60.3MB in the beginning and 55.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:08:41,674 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: 11.8s, 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, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 1.9s 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, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 722 SizeOfPredicates, 168 NumberOfNonLiveVariables, 912 ConjunctsInSsa, 179 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 - 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: ((((((((((1 == mask_SORT_1) && (var_13 == 5)) && (5 == state_27)) && (7 == state_30)) && (1048575 == mask_SORT_4)) && (7 == var_17)) && (state_6 == 1)) && (var_10 == 1)) || ((((((((1 == mask_SORT_1) && (var_13 == 5)) && (state_6 == 7)) && (5 == state_30)) && (1 == state_27)) && (1048575 == mask_SORT_4)) && (7 == var_17)) && (var_10 == 1))) || ((((((((1 == mask_SORT_1) && (state_6 == 5)) && (var_13 == 5)) && (1048575 == mask_SORT_4)) && (7 == var_17)) && (7 == state_27)) && (1 == state_30)) && (var_10 == 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.90ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 43.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.11ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 42.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.22ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 678.12ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 45.1MB in the end (delta: -4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 12022.46ms. Allocated memory was 79.7MB in the beginning and 161.5MB in the end (delta: 81.8MB). Free memory was 45.1MB in the beginning and 60.3MB in the end (delta: -15.2MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Witness Printer took 127.31ms. Allocated memory is still 161.5MB. Free memory was 60.3MB in the beginning and 55.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:08:41,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3a2781-6fe3-4339-926b-3cb6d96babc9/bin/ukojak-verify-1t5iHCbJaC/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