./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b --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 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:03:11,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:03:11,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:03:11,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:03:11,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:03:11,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:03:11,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:03:11,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:03:11,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:03:11,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:03:11,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:03:11,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:03:11,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:03:11,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:03:11,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:03:11,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:03:11,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:03:11,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:03:11,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:03:11,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:03:11,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:03:11,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:03:11,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:03:11,873 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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b 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 -> 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 [2024-12-06 06:03:12,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:03:12,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:03:12,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:03:12,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:03:12,116 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:03:12,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i [2024-12-06 06:03:14,776 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/e5454422e/a6e46924ed6a46afb310bdaa96202bb8/FLAG0e5150c8b [2024-12-06 06:03:14,968 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:03:14,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/sv-benchmarks/c/floats-cdfpl/newton_2_5.i [2024-12-06 06:03:14,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/e5454422e/a6e46924ed6a46afb310bdaa96202bb8/FLAG0e5150c8b [2024-12-06 06:03:15,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/e5454422e/a6e46924ed6a46afb310bdaa96202bb8 [2024-12-06 06:03:15,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:03:15,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:03:15,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:03:15,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:03:15,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:03:15,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efbf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15, skipping insertion in model container [2024-12-06 06:03:15,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:03:15,460 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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-12-06 06:03:15,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:03:15,471 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:03:15,485 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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-12-06 06:03:15,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:03:15,498 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:03:15,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15 WrapperNode [2024-12-06 06:03:15,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:03:15,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:03:15,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:03:15,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:03:15,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,520 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-06 06:03:15,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:03:15,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:03:15,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:03:15,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:03:15,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:03:15,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:03:15,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:03:15,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:03:15,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:03:15,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:03:15,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:03:15,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:03:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:03:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 06:03:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 06:03:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 06:03:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 06:03:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:03:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:03:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:03:15,633 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:03:15,634 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:03:15,719 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 06:03:15,719 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:03:15,755 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:03:15,755 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:03:15,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:03:15 BoogieIcfgContainer [2024-12-06 06:03:15,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:03:15,756 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:03:15,756 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:03:15,764 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:03:15,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:03:15" (1/1) ... [2024-12-06 06:03:15,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:03:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 06:03:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 06:03:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:03:15,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:03:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:03:15,903 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:03:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:03:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:03:15,956 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:03:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:03:15,979 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:03:15,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:03:15 ImpRootNode [2024-12-06 06:03:15,997 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:03:15,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:03:15,998 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:03:15,998 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:03:15,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:03:15" (3/4) ... [2024-12-06 06:03:16,000 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:03:16,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:03:16,002 INFO L158 Benchmark]: Toolchain (without parser) took 675.84ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 81.9MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 06:03:16,002 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:03:16,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.88ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:03:16,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.29ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.9MB in the end (delta: 985.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:03:16,003 INFO L158 Benchmark]: Boogie Preprocessor took 15.43ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.2MB in the end (delta: 774.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:03:16,003 INFO L158 Benchmark]: RCFGBuilder took 217.85ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 93.8MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:03:16,004 INFO L158 Benchmark]: CodeCheck took 241.58ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 82.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:03:16,004 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:03:16,005 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 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=3] [L44] CALL, EXPR fp(x) VAL [\old(x)=3] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=3] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.88ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.29ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.9MB in the end (delta: 985.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.43ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.2MB in the end (delta: 774.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 217.85ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 93.8MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 241.58ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 82.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:03:16,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b --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 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:03:17,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:03:18,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:03:18,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:03:18,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:03:18,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:03:18,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:03:18,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:03:18,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:03:18,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:03:18,100 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:03:18,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:03:18,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:03:18,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:03:18,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:03:18,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:03:18,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:03:18,102 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:18,102 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:03:18,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:03:18,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:03:18,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:03:18,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:03:18,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:03:18,103 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:03:18,103 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:18,103 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:03:18,103 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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b 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 -> 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 [2024-12-06 06:03:18,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:03:18,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:03:18,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:03:18,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:03:18,363 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:03:18,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i [2024-12-06 06:03:21,014 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/49cbaa2f7/62c47484dc334d2580ffabec98140a4b/FLAG1bf046b63 [2024-12-06 06:03:21,186 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:03:21,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/sv-benchmarks/c/floats-cdfpl/newton_2_5.i [2024-12-06 06:03:21,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/49cbaa2f7/62c47484dc334d2580ffabec98140a4b/FLAG1bf046b63 [2024-12-06 06:03:21,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/data/49cbaa2f7/62c47484dc334d2580ffabec98140a4b [2024-12-06 06:03:21,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:03:21,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:03:21,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:03:21,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:03:21,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:03:21,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0c55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21, skipping insertion in model container [2024-12-06 06:03:21,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:03:21,404 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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-12-06 06:03:21,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:03:21,422 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:03:21,441 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_4a367a9a-5afb-4df7-950a-0efa3cbd759f/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-12-06 06:03:21,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:03:21,457 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:03:21,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21 WrapperNode [2024-12-06 06:03:21,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:03:21,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:03:21,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:03:21,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:03:21,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,492 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-12-06 06:03:21,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:03:21,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:03:21,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:03:21,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:03:21,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,511 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:03:21,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:03:21,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:03:21,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:03:21,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:03:21" (1/1) ... [2024-12-06 06:03:21,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:03:21,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:03:21,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:03:21,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:03:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:03:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 06:03:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 06:03:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:03:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 06:03:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 06:03:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:03:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:03:21,637 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:03:21,638 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:03:44,558 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 06:03:44,558 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:03:44,593 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:03:44,593 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:03:44,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:03:44 BoogieIcfgContainer [2024-12-06 06:03:44,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:03:44,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:03:44,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:03:44,601 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:03:44,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:03:44" (1/1) ... [2024-12-06 06:03:44,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:03:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 06:03:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 06:03:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:03:44,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:44,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:44,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:44,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a367a9a-5afb-4df7-950a-0efa3cbd759f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process