./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/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 32bit --witnessprinter.graph.data.programhash eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:58:59,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:58:59,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:58:59,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:58:59,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:58:59,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:58:59,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:58:59,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:58:59,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:58:59,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:58:59,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:58:59,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:58:59,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:58:59,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:58:59,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:58:59,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:58:59,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:58:59,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:58:59,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:58:59,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:58:59,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:58:59,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:58:59,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:58:59,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:58:59,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:58:59,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:58:59,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:58:59,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:58:59,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:58:59,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:58:59,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:58:59,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:58:59,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:58:59,476 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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e [2024-11-09 00:58:59,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:58:59,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:58:59,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:58:59,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:58:59,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:58:59,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/nan_float.c Unable to find full path for "g++" [2024-11-09 00:59:01,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:59:01,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:59:01,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/sv-benchmarks/c/float-benchs/nan_float.c [2024-11-09 00:59:01,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data/f696d08ac/98fee56b25ca405aa57d3ab6146ba49e/FLAGa1d4a17ac [2024-11-09 00:59:01,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data/f696d08ac/98fee56b25ca405aa57d3ab6146ba49e [2024-11-09 00:59:02,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:59:02,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:59:02,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:59:02,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:59:02,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:59:02,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2046939e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02, skipping insertion in model container [2024-11-09 00:59:02,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:59:02,222 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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-11-09 00:59:02,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:59:02,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:59:02,262 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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-11-09 00:59:02,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:59:02,287 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:59:02,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02 WrapperNode [2024-11-09 00:59:02,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:59:02,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:59:02,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:59:02,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:59:02,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,328 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-09 00:59:02,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:59:02,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:59:02,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:59:02,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:59:02,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:59:02,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:59:02,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:59:02,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:59:02,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:59:02,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:59:02,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:59:02,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:59:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:59:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:59:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:59:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:59:02,515 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:59:02,517 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:59:02,640 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:59:02,640 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:59:02,678 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:59:02,678 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:59:02,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:59:02 BoogieIcfgContainer [2024-11-09 00:59:02,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:59:02,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:59:02,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:59:02,692 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:59:02,692 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:59:02" (1/1) ... [2024-11-09 00:59:02,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:59:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:59:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:59:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:59:02,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:02,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:59:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:59:02,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:59:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:59:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:59:02,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:59:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:59:02,991 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:59:03,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:59:03 ImpRootNode [2024-11-09 00:59:03,011 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:59:03,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:59:03,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:59:03,012 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:59:03,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:59:02" (3/4) ... [2024-11-09 00:59:03,017 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:59:03,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:59:03,019 INFO L158 Benchmark]: Toolchain (without parser) took 1015.84ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 103.2MB in the beginning and 165.8MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:59:03,020 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:59:03,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.00ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 91.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:59:03,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 144.7MB. Free memory was 91.1MB in the beginning and 89.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:59:03,024 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 88.7MB in the end (delta: 801.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:59:03,024 INFO L158 Benchmark]: RCFGBuilder took 324.39ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 79.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:59:03,025 INFO L158 Benchmark]: CodeCheck took 331.17ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 79.1MB in the beginning and 166.2MB in the end (delta: -87.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:59:03,026 INFO L158 Benchmark]: Witness Printer took 6.46ms. Allocated memory is still 199.2MB. Free memory was 166.1MB in the beginning and 165.8MB in the end (delta: 328.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:59:03,029 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 8]: 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 someBinaryFLOATComparisonOperation at line 15. Possible FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [L15] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 144.7MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.00ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 91.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 144.7MB. Free memory was 91.1MB in the beginning and 89.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 88.7MB in the end (delta: 801.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.39ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 79.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 331.17ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 79.1MB in the beginning and 166.2MB in the end (delta: -87.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.46ms. Allocated memory is still 199.2MB. Free memory was 166.1MB in the beginning and 165.8MB in the end (delta: 328.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:59:03,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/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 32bit --witnessprinter.graph.data.programhash eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:59:05,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:59:05,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:59:05,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:59:05,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:59:05,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:59:05,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:59:05,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:59:05,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:59:05,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:59:05,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:59:05,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:59:05,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:59:05,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:59:05,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:59:05,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:59:05,643 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:59:05,643 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:59:05,643 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:59:05,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:59:05,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:59:05,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:59:05,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:59:05,647 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:59:05,647 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:59:05,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:59:05,648 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:05,648 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:59:05,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:59:05,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:59:05,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:59:05,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:59:05,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:59:05,651 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:59:05,652 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:05,652 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:59:05,652 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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e [2024-11-09 00:59:06,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:59:06,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:59:06,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:59:06,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:59:06,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:59:06,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/nan_float.c Unable to find full path for "g++" [2024-11-09 00:59:08,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:59:08,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:59:08,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/sv-benchmarks/c/float-benchs/nan_float.c [2024-11-09 00:59:08,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data/dcb4cab7b/00d27238365848e2bfdc46fd838342fd/FLAGff340f25f [2024-11-09 00:59:08,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/data/dcb4cab7b/00d27238365848e2bfdc46fd838342fd [2024-11-09 00:59:08,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:59:08,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:59:08,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:59:08,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:59:08,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:59:08,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:59:08" (1/1) ... [2024-11-09 00:59:08,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a222771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:08, skipping insertion in model container [2024-11-09 00:59:08,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:59:08" (1/1) ... [2024-11-09 00:59:08,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:59:09,227 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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-11-09 00:59:09,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:59:09,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:59:09,272 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_ef91e8ad-ce99-44ce-827b-c3f7a098952c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-11-09 00:59:09,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:59:09,314 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:59:09,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09 WrapperNode [2024-11-09 00:59:09,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:59:09,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:59:09,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:59:09,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:59:09,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,403 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2024-11-09 00:59:09,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:59:09,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:59:09,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:59:09,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:59:09,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:59:09,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:59:09,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:59:09,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:59:09,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:59:09,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:59:09,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:59:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:59:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:59:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:59:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:59:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:59:09,613 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:59:09,615 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:59:09,753 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 00:59:09,753 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:59:09,804 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:59:09,804 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:59:09,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:59:09 BoogieIcfgContainer [2024-11-09 00:59:09,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:59:09,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:59:09,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:59:09,817 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:59:09,818 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:59:09" (1/1) ... [2024-11-09 00:59:09,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:59:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:59:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:59:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:59:09,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:09,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:09,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:09,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:09,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef91e8ad-ce99-44ce-827b-c3f7a098952c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:59:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:59:09,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:59:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat