./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk --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 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:35:14,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:14,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:35:14,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:35:14,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:35:15,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:15,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:15,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:35:15,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:15,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:15,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:15,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:15,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:35:15,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:15,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:15,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:15,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:15,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:15,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:15,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:15,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:35:15,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:35:15,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:35:15,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:15,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:15,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:15,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:15,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:15,036 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:35:15,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:35:15,039 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_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 [2024-11-08 22:35:15,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:15,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:15,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:15,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:15,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:15,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c Unable to find full path for "g++" [2024-11-08 22:35:17,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:17,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:17,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2024-11-08 22:35:17,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data/11595c31d/472600f07a394877b38d23c8891a546e/FLAGd96d499d0 [2024-11-08 22:35:17,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data/11595c31d/472600f07a394877b38d23c8891a546e [2024-11-08 22:35:17,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:17,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:17,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:17,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:17,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:17,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:17" (1/1) ... [2024-11-08 22:35:17,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371cc3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:17, skipping insertion in model container [2024-11-08 22:35:17,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:17" (1/1) ... [2024-11-08 22:35:17,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:18,041 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2024-11-08 22:35:18,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:18,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:18,194 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2024-11-08 22:35:18,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:18,284 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:18,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18 WrapperNode [2024-11-08 22:35:18,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:18,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:18,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:18,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:18,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,401 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 267 [2024-11-08 22:35:18,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:18,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:18,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:18,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:18,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:18,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:18,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:18,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:18,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:18" (1/1) ... [2024-11-08 22:35:18,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:35:18,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:18,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:35:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:18,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:18,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:19,436 INFO L? ?]: Removed 152 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:19,437 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:19,907 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:19,908 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:35:19,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:19 BoogieIcfgContainer [2024-11-08 22:35:19,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:19,909 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:19,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:19,921 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:19,922 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:19" (1/1) ... [2024-11-08 22:35:19,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:35:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:35:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:35:20,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:35:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:35:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:35:20,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:21,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:21,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:21,654 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:35:21,679 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 22:35:21,680 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 22:35:21,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:35:21 ImpRootNode [2024-11-08 22:35:21,690 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:35:21,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:35:21,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:35:21,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:35:21,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:19" (3/4) ... [2024-11-08 22:35:21,695 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:35:21,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:35:21,698 INFO L158 Benchmark]: Toolchain (without parser) took 3977.50ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 112.6MB in the beginning and 113.3MB in the end (delta: -766.6kB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-11-08 22:35:21,698 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:21,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.21ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 96.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:35:21,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.99ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 89.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:35:21,701 INFO L158 Benchmark]: Boogie Preprocessor took 84.59ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 86.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:21,701 INFO L158 Benchmark]: RCFGBuilder took 1417.71ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 86.5MB in the beginning and 137.4MB in the end (delta: -51.0MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-11-08 22:35:21,702 INFO L158 Benchmark]: CodeCheck took 1781.11ms. Allocated memory is still 186.6MB. Free memory was 137.4MB in the beginning and 113.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:21,702 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 186.6MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:21,706 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: 1.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 shiftRight at line 78, overapproximation of bitwiseOr at line 96, overapproximation of bitwiseAnd at line 62. 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 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_4 var_5 = 0; [L33] const SORT_1 var_14 = 1; [L34] const SORT_4 var_19 = 1; [L35] const SORT_4 var_22 = 15; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L40] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L41] SORT_4 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L43] SORT_4 init_7_arg_1 = var_5; [L44] state_6 = init_7_arg_1 [L45] SORT_4 init_9_arg_1 = var_5; [L46] state_8 = init_9_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=15, state_6=0, state_8=0, var_14=1, var_19=1, var_22=15] [L49] input_2 = __VERIFIER_nondet_uchar() [L50] input_3 = __VERIFIER_nondet_uchar() [L53] SORT_4 var_10_arg_0 = state_6; [L54] SORT_4 var_10_arg_1 = state_8; [L55] SORT_1 var_10 = var_10_arg_0 < var_10_arg_1; [L56] SORT_1 var_11_arg_0 = var_10; [L57] SORT_1 var_11 = ~var_11_arg_0; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] EXPR var_16_arg_0 & var_16_arg_1 [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] EXPR var_16 & mask_SORT_1 [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_1 var_31_arg_0 = input_3; [L68] SORT_1 var_31 = ~var_31_arg_0; [L69] SORT_4 var_32_arg_0 = state_6; [L70] SORT_4 var_32_arg_1 = state_8; [L71] SORT_1 var_32 = var_32_arg_0 > var_32_arg_1; [L72] SORT_1 var_33_arg_0 = var_31; [L73] SORT_1 var_33_arg_1 = var_32; [L74] EXPR var_33_arg_0 & var_33_arg_1 [L74] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L75] EXPR var_33 & mask_SORT_1 [L75] var_33 = var_33 & mask_SORT_1 [L76] SORT_4 var_28_arg_0 = var_22; [L77] SORT_4 var_28_arg_1 = var_19; [L78] EXPR var_28_arg_0 >> var_28_arg_1 [L78] SORT_4 var_28 = var_28_arg_0 >> var_28_arg_1; [L79] SORT_4 var_29_arg_0 = state_6; [L80] SORT_4 var_29_arg_1 = var_19; [L81] EXPR var_29_arg_0 >> var_29_arg_1 [L81] SORT_4 var_29 = var_29_arg_0 >> var_29_arg_1; [L82] SORT_4 var_30_arg_0 = var_28; [L83] SORT_4 var_30_arg_1 = var_29; [L84] SORT_4 var_30 = var_30_arg_0 + var_30_arg_1; [L85] SORT_4 var_26_arg_0 = state_6; [L86] SORT_4 var_26_arg_1 = state_8; [L87] SORT_1 var_26 = var_26_arg_0 < var_26_arg_1; [L88] SORT_4 var_21_arg_0 = state_8; [L89] SORT_4 var_21_arg_1 = state_6; [L90] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L91] SORT_4 var_23_arg_0 = state_6; [L92] SORT_4 var_23_arg_1 = var_22; [L93] SORT_1 var_23 = var_23_arg_0 != var_23_arg_1; [L94] SORT_1 var_24_arg_0 = var_21; [L95] SORT_1 var_24_arg_1 = var_23; [L96] EXPR var_24_arg_0 | var_24_arg_1 [L96] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L97] EXPR var_24 & mask_SORT_1 [L97] var_24 = var_24 & mask_SORT_1 [L98] SORT_4 var_20_arg_0 = state_6; [L99] SORT_4 var_20_arg_1 = var_19; [L100] SORT_4 var_20 = var_20_arg_0 + var_20_arg_1; [L101] SORT_1 var_25_arg_0 = var_24; [L102] SORT_4 var_25_arg_1 = var_20; [L103] SORT_4 var_25_arg_2 = state_8; [L104] SORT_4 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L105] SORT_1 var_27_arg_0 = var_26; [L106] SORT_4 var_27_arg_1 = state_6; [L107] SORT_4 var_27_arg_2 = var_25; [L108] SORT_4 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L109] SORT_1 var_34_arg_0 = var_33; [L110] SORT_4 var_34_arg_1 = var_30; [L111] SORT_4 var_34_arg_2 = var_27; [L112] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L113] EXPR var_34 & mask_SORT_4 [L113] var_34 = var_34 & mask_SORT_4 [L114] SORT_4 next_35_arg_1 = var_34; [L115] SORT_1 var_42_arg_0 = input_3; [L116] SORT_1 var_42 = ~var_42_arg_0; [L117] SORT_4 var_43_arg_0 = state_6; [L118] SORT_4 var_43_arg_1 = state_8; [L119] SORT_1 var_43 = var_43_arg_0 > var_43_arg_1; [L120] SORT_1 var_44_arg_0 = var_42; [L121] SORT_1 var_44_arg_1 = var_43; [L122] EXPR var_44_arg_0 & var_44_arg_1 [L122] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L123] EXPR var_44 & mask_SORT_1 [L123] var_44 = var_44 & mask_SORT_1 [L124] SORT_4 var_37_arg_0 = state_6; [L125] SORT_4 var_37_arg_1 = state_8; [L126] SORT_1 var_37 = var_37_arg_0 > var_37_arg_1; [L127] SORT_1 var_38_arg_0 = var_37; [L128] SORT_1 var_38 = ~var_38_arg_0; [L129] SORT_4 var_39_arg_0 = state_6; [L130] SORT_4 var_39_arg_1 = var_22; [L131] SORT_1 var_39 = var_39_arg_0 != var_39_arg_1; [L132] SORT_1 var_40_arg_0 = var_38; [L133] SORT_1 var_40_arg_1 = var_39; [L134] EXPR var_40_arg_0 | var_40_arg_1 [L134] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L135] EXPR var_40 & mask_SORT_1 [L135] var_40 = var_40 & mask_SORT_1 [L136] SORT_4 var_36_arg_0 = state_8; [L137] SORT_4 var_36_arg_1 = var_19; [L138] SORT_4 var_36 = var_36_arg_0 + var_36_arg_1; [L139] SORT_1 var_41_arg_0 = var_40; [L140] SORT_4 var_41_arg_1 = var_36; [L141] SORT_4 var_41_arg_2 = state_6; [L142] SORT_4 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L143] SORT_1 var_45_arg_0 = var_44; [L144] SORT_4 var_45_arg_1 = state_8; [L145] SORT_4 var_45_arg_2 = var_41; [L146] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L147] EXPR var_45 & mask_SORT_4 [L147] var_45 = var_45 & mask_SORT_4 [L148] SORT_4 next_46_arg_1 = var_45; [L150] state_6 = next_35_arg_1 [L151] state_8 = next_46_arg_1 [L49] input_2 = __VERIFIER_nondet_uchar() [L50] input_3 = __VERIFIER_nondet_uchar() [L53] SORT_4 var_10_arg_0 = state_6; [L54] SORT_4 var_10_arg_1 = state_8; [L55] SORT_1 var_10 = var_10_arg_0 < var_10_arg_1; [L56] SORT_1 var_11_arg_0 = var_10; [L57] SORT_1 var_11 = ~var_11_arg_0; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] EXPR var_16_arg_0 & var_16_arg_1 [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] EXPR var_16 & mask_SORT_1 [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.21ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 96.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.99ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 89.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.59ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 86.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1417.71ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 86.5MB in the beginning and 137.4MB in the end (delta: -51.0MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * CodeCheck took 1781.11ms. Allocated memory is still 186.6MB. Free memory was 137.4MB in the beginning and 113.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 186.6MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:35:21,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk --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 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:35:24,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:24,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:35:24,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:24,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:24,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:35:24,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:24,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:24,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:24,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:24,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:24,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:24,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:24,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:24,802 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:35:24,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:35:24,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:24,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:35:24,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:24,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:24,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:35:24,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:35:24,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:35:24,811 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,811 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:35:24,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:24,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:24,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:24,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:24,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:24,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:35:24,814 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:24,814 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:35:24,815 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_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 [2024-11-08 22:35:25,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:25,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:25,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:25,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:25,341 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:25,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c Unable to find full path for "g++" [2024-11-08 22:35:27,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:27,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:27,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2024-11-08 22:35:27,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data/daac0d666/c80d5cf1d5ec43ca85236d9a788a42aa/FLAG6653c519a [2024-11-08 22:35:28,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/data/daac0d666/c80d5cf1d5ec43ca85236d9a788a42aa [2024-11-08 22:35:28,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:28,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:28,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:28,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:28,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:28,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c76233c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28, skipping insertion in model container [2024-11-08 22:35:28,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:28,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2024-11-08 22:35:28,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:28,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:28,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2024-11-08 22:35:28,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:28,614 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:28,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28 WrapperNode [2024-11-08 22:35:28,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:28,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:28,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:28,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:28,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,680 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2024-11-08 22:35:28,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:28,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:28,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:28,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:28,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:28,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:28,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:28,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:28,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:28,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:35:28,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:35:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:28,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:28,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:29,263 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:29,263 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:29,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:29,347 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:35:29,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:29 BoogieIcfgContainer [2024-11-08 22:35:29,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:29,348 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:29,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:29,360 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:29,361 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:29" (1/1) ... [2024-11-08 22:35:29,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:35:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:35:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:35:29,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:29,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:29,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:29,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:29,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:35:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:35:29,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:30,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:35:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:35:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:35:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:35:30,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:30,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:30,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:30,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:35:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:35:30,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:30,930 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:35:30,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:35:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-08 22:35:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-08 22:35:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:35:31,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:31,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:31,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:31,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:35:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 22:35:31,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:32,391 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:35:32,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:35:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-08 22:35:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-08 22:35:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:35:33,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:33,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:33,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:33,145 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:33,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:35:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:33,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:35:33,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:34,458 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:35:34,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-11-08 22:35:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-11-08 22:35:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:35:35,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:35,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:35,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:35,460 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:35,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:35:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:35,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:35:35,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:36,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:35:38,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-11-08 22:35:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-11-08 22:35:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:35:38,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:38,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:38,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:38,067 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:38,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:35:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:38,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:35:38,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:39,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:35:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-11-08 22:35:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-11-08 22:35:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:35:40,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,854 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:35:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:41,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:35:41,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:42,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:35:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-08 22:35:43,994 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-08 22:35:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:35:43,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:43,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:43,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,000 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:35:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:44,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 22:35:44,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:45,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-11-08 22:35:47,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-11-08 22:35:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:35:47,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:47,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:47,441 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:47,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:35:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:47,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:49,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:51,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2024-11-08 22:35:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-11-08 22:35:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:35:51,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:51,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:51,202 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:51,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:35:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:51,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:35:51,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:53,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2024-11-08 22:35:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2024-11-08 22:35:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:35:55,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:55,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:55,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:55,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:55,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:35:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:56,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:56,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 22:35:56,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:58,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:36:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2024-11-08 22:36:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2024-11-08 22:36:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 22:36:00,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:00,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:00,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:00,942 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:00,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:36:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:01,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:01,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 22:36:01,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:03,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:36:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2024-11-08 22:36:05,970 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2024-11-08 22:36:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:36:05,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:05,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:05,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:05,973 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:05,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:36:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:06,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:06,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 22:36:06,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:08,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:36:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2024-11-08 22:36:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-11-08 22:36:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:36:11,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:11,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:11,153 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:11,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:36:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 22:36:12,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:14,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:36:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2024-11-08 22:36:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2024-11-08 22:36:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:36:17,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:17,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:17,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:17,461 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:17,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:36:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:18,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:18,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 22:36:18,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:20,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:36:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2024-11-08 22:36:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2024-11-08 22:36:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 22:36:23,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:23,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:23,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:23,705 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:23,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:36:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:24,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:24,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 22:36:24,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:27,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:36:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 68 states and 115 transitions. [2024-11-08 22:36:31,551 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2024-11-08 22:36:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 22:36:31,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:31,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:31,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:31,554 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:31,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:36:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 22:36:32,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:35,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:36:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2024-11-08 22:36:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2024-11-08 22:36:38,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:36:38,403 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2024-11-08 22:36:38,412 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:36:40,304 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 22:36:40,305 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv15 8) |ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse2 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and (= (_ bv8 8) |ULTIMATE.start_main_~state_6~0#1|) (= (_ bv8 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= (_ bv15 8) |ULTIMATE.start_main_~state_8~0#1|) .cse3 (= (_ bv15 8) |ULTIMATE.start_main_~state_6~0#1|)) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv9 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv9 8) |ULTIMATE.start_main_~state_6~0#1|)) (and (= (_ bv2 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 .cse1 .cse2 .cse3 (= (_ bv2 8) |ULTIMATE.start_main_~state_8~0#1|)) (and .cse0 .cse1 (= (_ bv5 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv5 8) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3) (and (= (_ bv10 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 .cse3 (= (_ bv10 8) |ULTIMATE.start_main_~state_6~0#1|)) (and .cse0 .cse1 .cse2 (= (_ bv13 8) |ULTIMATE.start_main_~state_8~0#1|) .cse3 (= (_ bv13 8) |ULTIMATE.start_main_~state_6~0#1|)) (and .cse0 .cse1 .cse2 (= (_ bv11 8) |ULTIMATE.start_main_~state_8~0#1|) .cse3 (= (_ bv11 8) |ULTIMATE.start_main_~state_6~0#1|)) (and .cse0 .cse1 .cse2 (= (_ bv4 8) |ULTIMATE.start_main_~state_6~0#1|) .cse3 (= (_ bv4 8) |ULTIMATE.start_main_~state_8~0#1|)) (and (= (_ bv12 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv12 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2 .cse3) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv0 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2 .cse3) (and (= (_ bv1 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv1 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2 .cse3) (and (= (_ bv3 8) |ULTIMATE.start_main_~state_6~0#1|) (= (_ bv3 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 .cse3) (and (= (_ bv6 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 .cse3 (= (_ bv6 8) |ULTIMATE.start_main_~state_6~0#1|)) (and (= (_ bv14 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv14 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2 .cse3) (and (= (_ bv7 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 (= (_ bv7 8) |ULTIMATE.start_main_~state_6~0#1|) .cse3))) [2024-11-08 22:36:40,305 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-08 22:36:40,306 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (not (let ((.cse0 (= (_ bv15 8) |ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (and (not (and (= (_ bv14 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv14 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and .cse0 .cse1 (= (_ bv5 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv5 8) |ULTIMATE.start_main_~state_6~0#1|) .cse2)) (not (and (= (_ bv10 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 (= (_ bv10 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv1 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv1 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_6~0#1|) .cse2 (= (_ bv4 8) |ULTIMATE.start_main_~state_8~0#1|))) (not (and .cse0 .cse1 .cse2 (= (_ bv9 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv9 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and .cse0 .cse1 (= (_ bv11 8) |ULTIMATE.start_main_~state_8~0#1|) .cse2 (= (_ bv11 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv0 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv0 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and (= (_ bv2 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 .cse1 .cse2 (= (_ bv2 8) |ULTIMATE.start_main_~state_8~0#1|))) (not (and (= (_ bv8 8) |ULTIMATE.start_main_~state_6~0#1|) (= (_ bv8 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2)) (not (and .cse0 .cse1 (= (_ bv15 8) |ULTIMATE.start_main_~state_8~0#1|) .cse2 (= (_ bv15 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv12 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv12 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and (= (_ bv3 8) |ULTIMATE.start_main_~state_6~0#1|) (= (_ bv3 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2)) (not (and (= (_ bv6 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 (= (_ bv6 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv7 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 (= (_ bv7 8) |ULTIMATE.start_main_~state_6~0#1|) .cse2)) (not (and .cse0 .cse1 (= (_ bv13 8) |ULTIMATE.start_main_~state_8~0#1|) .cse2 (= (_ bv13 8) |ULTIMATE.start_main_~state_6~0#1|)))))) [2024-11-08 22:36:40,306 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:36:40,306 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-08 22:36:40,307 INFO L77 FloydHoareUtils]: At program point L47-2(lines 47 152) the Hoare annotation is: (not (let ((.cse0 (= (_ bv15 8) |ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (and (not (and (= (_ bv14 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv14 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and .cse0 .cse1 (= (_ bv5 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv5 8) |ULTIMATE.start_main_~state_6~0#1|) .cse2)) (not (and (= (_ bv10 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 (= (_ bv10 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv1 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv1 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and .cse0 .cse1 (= (_ bv4 8) |ULTIMATE.start_main_~state_6~0#1|) .cse2 (= (_ bv4 8) |ULTIMATE.start_main_~state_8~0#1|))) (not (and .cse0 .cse1 .cse2 (= (_ bv9 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv9 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and .cse0 .cse1 (= (_ bv11 8) |ULTIMATE.start_main_~state_8~0#1|) .cse2 (= (_ bv11 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv0 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv0 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and (= (_ bv2 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 .cse1 .cse2 (= (_ bv2 8) |ULTIMATE.start_main_~state_8~0#1|))) (not (and (= (_ bv8 8) |ULTIMATE.start_main_~state_6~0#1|) (= (_ bv8 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2)) (not (and .cse0 .cse1 (= (_ bv15 8) |ULTIMATE.start_main_~state_8~0#1|) .cse2 (= (_ bv15 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv12 8) |ULTIMATE.start_main_~state_6~0#1|) .cse0 (= (_ bv12 8) |ULTIMATE.start_main_~state_8~0#1|) .cse1 .cse2)) (not (and (= (_ bv3 8) |ULTIMATE.start_main_~state_6~0#1|) (= (_ bv3 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2)) (not (and (= (_ bv6 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 .cse2 (= (_ bv6 8) |ULTIMATE.start_main_~state_6~0#1|))) (not (and (= (_ bv7 8) |ULTIMATE.start_main_~state_8~0#1|) .cse0 .cse1 (= (_ bv7 8) |ULTIMATE.start_main_~state_6~0#1|) .cse2)) (not (and .cse0 .cse1 (= (_ bv13 8) |ULTIMATE.start_main_~state_8~0#1|) .cse2 (= (_ bv13 8) |ULTIMATE.start_main_~state_6~0#1|)))))) [2024-11-08 22:36:40,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:40 ImpRootNode [2024-11-08 22:36:40,330 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:40,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:40,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:40,331 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:40,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:29" (3/4) ... [2024-11-08 22:36:40,335 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:36:40,344 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 22:36:40,345 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 22:36:40,345 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:36:40,345 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:36:40,386 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:36:40,392 INFO L158 Benchmark]: Toolchain (without parser) took 72372.56ms. Allocated memory was 65.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 41.3MB in the beginning and 693.5MB in the end (delta: -652.2MB). Peak memory consumption was 438.0MB. Max. memory is 16.1GB. [2024-11-08 22:36:40,393 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:40,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.79ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 41.0MB in the beginning and 61.7MB in the end (delta: -20.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-08 22:36:40,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.89ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 59.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:40,394 INFO L158 Benchmark]: Boogie Preprocessor took 58.54ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 57.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:40,394 INFO L158 Benchmark]: RCFGBuilder took 599.47ms. Allocated memory is still 86.0MB. Free memory was 57.7MB in the beginning and 60.8MB in the end (delta: -3.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:40,394 INFO L158 Benchmark]: CodeCheck took 70982.50ms. Allocated memory was 86.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 60.8MB in the beginning and 697.7MB in the end (delta: -637.0MB). Peak memory consumption was 430.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:40,395 INFO L158 Benchmark]: Witness Printer took 59.14ms. Allocated memory is still 1.2GB. Free memory was 697.7MB in the beginning and 693.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:36:40,396 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: 69.0s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1507 SdHoareTripleChecker+Valid, 19.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1360 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 17.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2089 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5485 IncrementalHoareTripleChecker+Invalid, 7574 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2089 mSolverCounterUnsat, 17 mSDtfsCounter, 5485 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5009 GetRequests, 4400 SyntacticMatches, 385 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26766 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 476 NumberOfCodeBlocks, 476 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 6872 SizeOfPredicates, 98 NumberOfNonLiveVariables, 2754 ConjunctsInSsa, 621 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2312 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: 47]: Loop Invariant Derived loop invariant: !(((((((((((((((!(((((14 == state_6) && (15 == mask_SORT_4)) && (14 == state_8)) && (1 == var_19)) && (1 == mask_SORT_1)) && !(((((15 == mask_SORT_4) && (1 == var_19)) && (5 == state_8)) && (5 == state_6)) && (1 == mask_SORT_1))) && !(((((10 == state_8) && (15 == mask_SORT_4)) && (1 == var_19)) && (1 == mask_SORT_1)) && (10 == state_6))) && !(((((1 == state_6) && (15 == mask_SORT_4)) && (1 == state_8)) && (1 == var_19)) && (1 == mask_SORT_1))) && !(((((15 == mask_SORT_4) && (1 == var_19)) && (4 == state_6)) && (1 == mask_SORT_1)) && (4 == state_8))) && !(((((15 == mask_SORT_4) && (1 == var_19)) && (1 == mask_SORT_1)) && (9 == state_8)) && (9 == state_6))) && !(((((15 == mask_SORT_4) && (1 == var_19)) && (11 == state_8)) && (1 == mask_SORT_1)) && (11 == state_6))) && !(((((0 == state_6) && (15 == mask_SORT_4)) && (0 == state_8)) && (1 == var_19)) && (1 == mask_SORT_1))) && !(((((2 == state_6) && (15 == mask_SORT_4)) && (1 == var_19)) && (1 == mask_SORT_1)) && (2 == state_8))) && !(((((8 == state_6) && (8 == state_8)) && (15 == mask_SORT_4)) && (1 == var_19)) && (1 == mask_SORT_1))) && !(((((15 == mask_SORT_4) && (1 == var_19)) && (15 == state_8)) && (1 == mask_SORT_1)) && (15 == state_6))) && !(((((12 == state_6) && (15 == mask_SORT_4)) && (12 == state_8)) && (1 == var_19)) && (1 == mask_SORT_1))) && !(((((3 == state_6) && (3 == state_8)) && (15 == mask_SORT_4)) && (1 == var_19)) && (1 == mask_SORT_1))) && !(((((6 == state_8) && (15 == mask_SORT_4)) && (1 == var_19)) && (1 == mask_SORT_1)) && (6 == state_6))) && !(((((7 == state_8) && (15 == mask_SORT_4)) && (1 == var_19)) && (7 == state_6)) && (1 == mask_SORT_1))) && !(((((15 == mask_SORT_4) && (1 == var_19)) && (13 == state_8)) && (1 == mask_SORT_1)) && (13 == state_6))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.79ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 41.0MB in the beginning and 61.7MB in the end (delta: -20.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.89ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 59.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.54ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 57.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.47ms. Allocated memory is still 86.0MB. Free memory was 57.7MB in the beginning and 60.8MB in the end (delta: -3.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * CodeCheck took 70982.50ms. Allocated memory was 86.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 60.8MB in the beginning and 697.7MB in the end (delta: -637.0MB). Peak memory consumption was 430.7MB. Max. memory is 16.1GB. * Witness Printer took 59.14ms. Allocated memory is still 1.2GB. Free memory was 697.7MB in the beginning and 693.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:36:40,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e6e05f-c9a0-4f73-8c5e-d5755cfeb08d/bin/ukojak-verify-ImItNfHLgk/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: ERROR: ExceptionOrErrorResult: NullPointerException: null