./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash 9fafab56630000a79d8eb06cf156a630d9ee1a5dd58dfc1d8991b95956e4dffd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:51:55,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:51:56,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:51:56,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:51:56,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:51:56,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:51:56,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:51:56,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:51:56,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:51:56,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:51:56,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:51:56,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:51:56,084 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:51:56,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:51:56,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:51:56,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:51:56,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:51:56,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:51:56,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:51:56,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:51:56,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:51:56,085 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:51:56,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:51:56,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:51:56,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:51:56,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:51:56,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:51:56,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:51:56,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:51:56,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:51:56,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:51:56,086 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:51:56,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:51:56,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fafab56630000a79d8eb06cf156a630d9ee1a5dd58dfc1d8991b95956e4dffd [2024-11-25 02:51:56,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:51:56,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:51:56,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:51:56,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:51:56,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:51:56,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i [2024-11-25 02:51:59,449 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/5ae901935/d7eacf3e52c349d3b84ac59896f572cb/FLAGccc42b982 [2024-11-25 02:51:59,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:51:59,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i [2024-11-25 02:51:59,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/5ae901935/d7eacf3e52c349d3b84ac59896f572cb/FLAGccc42b982 [2024-11-25 02:52:00,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/5ae901935/d7eacf3e52c349d3b84ac59896f572cb [2024-11-25 02:52:00,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:52:00,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:52:00,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:52:00,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:52:00,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:52:00,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5998c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00, skipping insertion in model container [2024-11-25 02:52:00,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:52:00,173 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_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i[913,926] [2024-11-25 02:52:00,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:52:00,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:52:00,278 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_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i[913,926] [2024-11-25 02:52:00,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:52:00,340 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:52:00,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00 WrapperNode [2024-11-25 02:52:00,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:52:00,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:52:00,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:52:00,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:52:00,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,403 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-25 02:52:00,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:52:00,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:52:00,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:52:00,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:52:00,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,437 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:52:00,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:52:00,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:52:00,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:52:00,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:00" (1/1) ... [2024-11-25 02:52:00,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:52:00,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:52:00,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:52:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:52:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:52:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:52:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:52:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:52:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:52:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:52:00,609 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:52:00,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:52:01,047 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 02:52:01,048 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:52:01,359 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:52:01,359 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:52:01,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:52:01 BoogieIcfgContainer [2024-11-25 02:52:01,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:52:01,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:52:01,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:52:01,377 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:52:01,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:52:01" (1/1) ... [2024-11-25 02:52:01,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:52:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:52:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2024-11-25 02:52:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-25 02:52:01,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:52:01,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:52:01,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:52:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:52:01,890 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:52:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:52:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:52:02,252 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:52:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:52:02,356 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:52:02,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:52:02 ImpRootNode [2024-11-25 02:52:02,464 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:52:02,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:52:02,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:52:02,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:52:02,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:52:01" (3/4) ... [2024-11-25 02:52:02,474 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:52:02,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:52:02,478 INFO L158 Benchmark]: Toolchain (without parser) took 2467.57ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 58.2MB in the end (delta: 34.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-25 02:52:02,478 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 103.2MB in the end (delta: 216.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:52:02,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.67ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.0MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:52:02,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.83ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:52:02,480 INFO L158 Benchmark]: Boogie Preprocessor took 42.31ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:52:02,481 INFO L158 Benchmark]: RCFGBuilder took 911.04ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 40.8MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:52:02,482 INFO L158 Benchmark]: CodeCheck took 1101.78ms. Allocated memory is still 117.4MB. Free memory was 40.8MB in the beginning and 58.8MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:52:02,483 INFO L158 Benchmark]: Witness Printer took 11.48ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:52:02,489 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 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: 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 shiftLeft at line 48, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_4 = 19138; [L25] signed char var_1_6 = 25; [L26] signed long int var_1_7 = -50; [L27] double var_1_8 = 8.3; [L28] double var_1_9 = 255.6; [L29] double var_1_10 = 10000000.375; [L30] double var_1_11 = 0.0; [L31] double var_1_12 = 255.375; [L32] unsigned char var_1_13 = 50; [L33] unsigned char var_1_14 = 2; [L34] signed char var_1_15 = 1; [L35] signed char var_1_16 = 5; [L89] isInitial = 1 [L90] FCALL initially() [L92] FCALL updateLastVariables() [L93] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L64] var_1_4 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_4 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_4 >= 16383) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L66] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L67] var_1_9 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L71] var_1_11 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L73] var_1_12 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L75] var_1_14 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_13=50, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L77] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=1, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_13=50, var_1_14=1, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L78] var_1_16 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=1, var_1_15=1, var_1_16=0, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_13=50, var_1_14=1, var_1_15=1, var_1_16=0, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L80] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=1, var_1_15=1, var_1_16=0, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_13=50, var_1_14=1, var_1_15=1, var_1_16=0, var_1_1=0, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L93] RET updateVariables() [L94] CALL step() [L39] var_1_13 = var_1_14 [L40] var_1_15 = var_1_16 [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)) [L44] COND FALSE !(var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) [L47] unsigned short int stepLocal_0 = var_1_4; [L48] EXPR var_1_13 << var_1_13 [L48] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L48] EXPR var_1_13 << var_1_13 [L48] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L48] COND TRUE stepLocal_0 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)))) [L49] var_1_7 = (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))) [L53] unsigned char stepLocal_1 = var_1_13; [L54] COND FALSE !(var_1_13 < stepLocal_1) [L57] var_1_8 = ((var_1_11 - var_1_12) - var_1_9) [L94] RET step() [L95] CALL, EXPR property() [L85] EXPR ((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4))))) [L85] EXPR var_1_13 << var_1_13 [L85] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L85] EXPR var_1_13 << var_1_13 [L85] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) [L85] EXPR ((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4))))) [L85-L86] return (((((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4)))))) && ((var_1_13 < var_1_13) ? (var_1_8 == ((double) (var_1_9 - var_1_10))) : (var_1_8 == ((double) ((var_1_11 - var_1_12) - var_1_9))))) && (var_1_13 == ((unsigned char) var_1_14))) && (var_1_15 == ((signed char) var_1_16)) ; [L95] RET, EXPR property() [L95] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=0, var_1_1=33603, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=0] [L19] reach_error() VAL [isInitial=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=0, var_1_1=33603, var_1_2=1, var_1_4=16383, var_1_6=25, var_1_7=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 103.2MB in the end (delta: 216.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.67ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.0MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.83ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.31ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 911.04ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 40.8MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 1101.78ms. Allocated memory is still 117.4MB. Free memory was 40.8MB in the beginning and 58.8MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.48ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:52:02,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash 9fafab56630000a79d8eb06cf156a630d9ee1a5dd58dfc1d8991b95956e4dffd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:52:05,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:52:06,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:52:06,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:52:06,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:52:06,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:52:06,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:52:06,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:52:06,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:52:06,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:52:06,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:52:06,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:52:06,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:52:06,104 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:52:06,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:52:06,106 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:52:06,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:52:06,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:52:06,107 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:52:06,107 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:52:06,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:52:06,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:52:06,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:52:06,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:52:06,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:52:06,108 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:52:06,108 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:52:06,108 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:52:06,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fafab56630000a79d8eb06cf156a630d9ee1a5dd58dfc1d8991b95956e4dffd [2024-11-25 02:52:06,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:52:06,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:52:06,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:52:06,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:52:06,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:52:06,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i [2024-11-25 02:52:10,233 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/41ee08806/62b05911320746bfacc9d62f63a5f20c/FLAGa421925dc [2024-11-25 02:52:10,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:52:10,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i [2024-11-25 02:52:10,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/41ee08806/62b05911320746bfacc9d62f63a5f20c/FLAGa421925dc [2024-11-25 02:52:10,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/data/41ee08806/62b05911320746bfacc9d62f63a5f20c [2024-11-25 02:52:10,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:52:10,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:52:10,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:52:10,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:52:10,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:52:10,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:52:10" (1/1) ... [2024-11-25 02:52:10,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:10, skipping insertion in model container [2024-11-25 02:52:10,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:52:10" (1/1) ... [2024-11-25 02:52:10,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:52:10,872 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_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i[913,926] [2024-11-25 02:52:10,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:52:10,968 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:52:10,979 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_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-70.i[913,926] [2024-11-25 02:52:11,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:52:11,046 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:52:11,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11 WrapperNode [2024-11-25 02:52:11,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:52:11,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:52:11,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:52:11,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:52:11,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,110 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2024-11-25 02:52:11,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:52:11,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:52:11,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:52:11,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:52:11,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:52:11,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:52:11,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:52:11,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:52:11,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:52:11" (1/1) ... [2024-11-25 02:52:11,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:52:11,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:52:11,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:52:11,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:52:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:52:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:52:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:52:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:52:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:52:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:52:11,283 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:52:11,285 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:52:13,446 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 02:52:13,446 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:52:13,597 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:52:13,597 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:52:13,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:52:13 BoogieIcfgContainer [2024-11-25 02:52:13,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:52:13,601 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:52:13,601 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:52:13,610 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:52:13,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:52:13" (1/1) ... [2024-11-25 02:52:13,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:52:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:52:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2024-11-25 02:52:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-25 02:52:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:52:13,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:52:13,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:52:13,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:52:13,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:52:13,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e889fc4-c7d5-46b5-9706-6b7e6f39bee6/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:52:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:52:14,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:52:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:52:20,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:52:20,792 INFO L279 TraceCheckSpWp]: Computing forward predicates...