./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.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_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/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_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/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_1289c7f0-fe0e-452c-8f33-59877965dffc/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 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:23:32,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:23:32,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:23:32,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:23:32,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:23:32,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:23:32,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:23:32,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:23:32,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:23:32,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:23:32,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:23:32,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:23:32,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:32,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:23:32,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:23:32,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:23:32,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:23:32,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:23:32,402 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_1289c7f0-fe0e-452c-8f33-59877965dffc/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 -> 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d [2024-12-05 22:23:32,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:23:32,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:23:32,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:23:32,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:23:32,645 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:23:32,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2024-12-05 22:23:35,265 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/1abe2b3ec/2e7e304c28484a74a9e209c56489f8c4/FLAG049a7d15a [2024-12-05 22:23:35,468 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:23:35,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2024-12-05 22:23:35,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/1abe2b3ec/2e7e304c28484a74a9e209c56489f8c4/FLAG049a7d15a [2024-12-05 22:23:35,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/1abe2b3ec/2e7e304c28484a74a9e209c56489f8c4 [2024-12-05 22:23:35,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:23:35,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:23:35,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:35,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:23:35,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:23:35,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6845db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35, skipping insertion in model container [2024-12-05 22:23:35,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:23:35,995 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_1289c7f0-fe0e-452c-8f33-59877965dffc/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2024-12-05 22:23:35,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:36,006 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:23:36,020 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_1289c7f0-fe0e-452c-8f33-59877965dffc/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2024-12-05 22:23:36,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:36,034 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:23:36,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36 WrapperNode [2024-12-05 22:23:36,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:36,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:36,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:23:36,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:23:36,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,061 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2024-12-05 22:23:36,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:36,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:23:36,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:23:36,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:23:36,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:23:36,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:23:36,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:23:36,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:23:36,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:36,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:23:36,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:23:36,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:23:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:23:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:23:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:23:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:23:36,180 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:23:36,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:23:36,244 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 22:23:36,244 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:23:36,276 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:23:36,276 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:23:36,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:36 BoogieIcfgContainer [2024-12-05 22:23:36,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:23:36,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:23:36,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:23:36,283 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:23:36,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:23:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 22:23:36,325 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 22:23:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:23:36,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:36,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:23:36,386 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:23:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:23:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:23:36,418 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:23:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:23:36,431 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:23:36,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:23:36 ImpRootNode [2024-12-05 22:23:36,444 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:23:36,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:23:36,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:23:36,444 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:23:36,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:36" (3/4) ... [2024-12-05 22:23:36,446 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:23:36,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:23:36,448 INFO L158 Benchmark]: Toolchain (without parser) took 607.42ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 82.7MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:23:36,448 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:36,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.79ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:36,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.04ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:36,449 INFO L158 Benchmark]: Boogie Preprocessor took 15.82ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.8MB in the end (delta: 796.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:36,450 INFO L158 Benchmark]: RCFGBuilder took 197.89ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 92.9MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:23:36,450 INFO L158 Benchmark]: CodeCheck took 166.73ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 82.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:36,451 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 272.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:36,453 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: 0.1s, 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, 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. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L42] CALL, EXPR f(IN) [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) [L42] CALL, EXPR fp(IN) [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) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.79ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.04ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.82ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.8MB in the end (delta: 796.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.89ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 92.9MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 166.73ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 82.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 272.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:23:36,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/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_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/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_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/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_1289c7f0-fe0e-452c-8f33-59877965dffc/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 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:23:38,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:23:38,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:23:38,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:23:38,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:23:38,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:23:38,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:23:38,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:23:38,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:23:38,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:23:38,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:23:38,489 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:38,490 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:23:38,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:23:38,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:38,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:23:38,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:23:38,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:23:38,490 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:23:38,490 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:38,490 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:23:38,490 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_1289c7f0-fe0e-452c-8f33-59877965dffc/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 -> 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d [2024-12-05 22:23:38,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:23:38,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:23:38,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:23:38,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:23:38,721 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:23:38,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2024-12-05 22:23:41,308 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/ebee00a29/b7e9efbe92be4c7fbf9651ff50474cfe/FLAG5f0f0025a [2024-12-05 22:23:41,525 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:23:41,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2024-12-05 22:23:41,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/ebee00a29/b7e9efbe92be4c7fbf9651ff50474cfe/FLAG5f0f0025a [2024-12-05 22:23:41,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/data/ebee00a29/b7e9efbe92be4c7fbf9651ff50474cfe [2024-12-05 22:23:41,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:23:41,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:23:41,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:41,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:23:41,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:23:41,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:41" (1/1) ... [2024-12-05 22:23:41,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bc3673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:41, skipping insertion in model container [2024-12-05 22:23:41,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:41" (1/1) ... [2024-12-05 22:23:41,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:23:42,027 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_1289c7f0-fe0e-452c-8f33-59877965dffc/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2024-12-05 22:23:42,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:42,039 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:23:42,053 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_1289c7f0-fe0e-452c-8f33-59877965dffc/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2024-12-05 22:23:42,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:42,065 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:23:42,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42 WrapperNode [2024-12-05 22:23:42,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:42,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:42,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:23:42,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:23:42,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,093 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2024-12-05 22:23:42,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:42,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:23:42,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:23:42,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:23:42,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:23:42,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:23:42,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:23:42,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:23:42,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:42" (1/1) ... [2024-12-05 22:23:42,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:23:42,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:23:42,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:23:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:23:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:23:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:23:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:23:42,230 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:23:42,232 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:24:03,998 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-05 22:24:03,998 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:24:04,048 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:24:04,048 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:24:04,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:24:04 BoogieIcfgContainer [2024-12-05 22:24:04,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:24:04,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:24:04,050 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:24:04,057 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:24:04,057 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:24:04" (1/1) ... [2024-12-05 22:24:04,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:24:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:04,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 22:24:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 22:24:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:24:04,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:04,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:04,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:04,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:04,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:27:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:44,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:27:55,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:27:55,194 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:27:55,197 INFO L158 Benchmark]: Toolchain (without parser) took 253300.94ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 65.6MB in the end (delta: 4.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-05 22:27:55,197 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:27:55,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.65ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:27:55,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.01ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:27:55,198 INFO L158 Benchmark]: Boogie Preprocessor took 19.61ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:27:55,199 INFO L158 Benchmark]: RCFGBuilder took 21934.78ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 43.7MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:27:55,199 INFO L158 Benchmark]: CodeCheck took 231146.24ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 65.6MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:27:55,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.65ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.01ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.61ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 21934.78ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 43.7MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 231146.24ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 65.6MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:27:55,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1289c7f0-fe0e-452c-8f33-59877965dffc/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown