./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_4.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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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 15357de746283fe60d846c8349b4c6ce8cd7385cd186a6f3b39858042f1d66f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:55:21,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:55:21,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:55:21,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:55:21,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:55:21,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:55:21,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:55:21,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:55:21,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:55:21,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:55:21,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:55:21,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:55:21,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:55:21,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:21,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:55:21,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:55:21,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:55:21,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:55:21,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:55:21,476 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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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 -> 15357de746283fe60d846c8349b4c6ce8cd7385cd186a6f3b39858042f1d66f7 [2024-12-06 00:55:21,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:55:21,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:55:21,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:55:21,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:55:21,711 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:55:21,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_1_4.i [2024-12-06 00:55:24,386 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/c3edb9d1e/85e754106eaf4aa8af9d8cb20ad413b6/FLAG1d33b549f [2024-12-06 00:55:24,561 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:55:24,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/sv-benchmarks/c/floats-cdfpl/newton_1_4.i [2024-12-06 00:55:24,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/c3edb9d1e/85e754106eaf4aa8af9d8cb20ad413b6/FLAG1d33b549f [2024-12-06 00:55:24,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/c3edb9d1e/85e754106eaf4aa8af9d8cb20ad413b6 [2024-12-06 00:55:24,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:55:24,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:55:24,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:24,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:55:24,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:55:24,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4dfb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24, skipping insertion in model container [2024-12-06 00:55:24,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:55:24,720 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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/sv-benchmarks/c/floats-cdfpl/newton_1_4.i[1722,1735] [2024-12-06 00:55:24,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:24,729 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:55:24,742 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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/sv-benchmarks/c/floats-cdfpl/newton_1_4.i[1722,1735] [2024-12-06 00:55:24,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:24,756 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:55:24,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24 WrapperNode [2024-12-06 00:55:24,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:24,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:24,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:55:24,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:55:24,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,779 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2024-12-06 00:55:24,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:24,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:55:24,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:55:24,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:55:24,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:55:24,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:55:24,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:55:24,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:55:24,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:24,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:24,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:55:24,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:55:24,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:55:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:55:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:55:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:55:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:55:24,885 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:55:24,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:55:24,955 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 00:55:24,955 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:55:24,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:55:24,992 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:55:24,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:24 BoogieIcfgContainer [2024-12-06 00:55:24,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:55:24,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:55:24,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:55:25,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:55:25,001 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:24" (1/1) ... [2024-12-06 00:55:25,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:55:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 00:55:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 00:55:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:55:25,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:25,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:55:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:25,115 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:55:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:25,147 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:55:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:55:25,158 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:55:25,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:55:25 ImpRootNode [2024-12-06 00:55:25,173 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:55:25,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:55:25,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:55:25,174 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:55:25,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:24" (3/4) ... [2024-12-06 00:55:25,177 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:55:25,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:55:25,178 INFO L158 Benchmark]: Toolchain (without parser) took 592.49ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 58.8MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:55:25,179 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:25,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.59ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:55:25,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.03ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:25,180 INFO L158 Benchmark]: Boogie Preprocessor took 14.94ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 808.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:55:25,180 INFO L158 Benchmark]: RCFGBuilder took 197.01ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 68.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:55:25,181 INFO L158 Benchmark]: CodeCheck took 180.18ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 59.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:55:25,181 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 58.8MB in the end (delta: 222.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:55:25,184 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 > -0.8f && IN < 0.8f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.59ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.03ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.94ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 808.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 197.01ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 68.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 180.18ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 59.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 59.0MB in the beginning and 58.8MB in the end (delta: 222.6kB). 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 00:55:25,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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 15357de746283fe60d846c8349b4c6ce8cd7385cd186a6f3b39858042f1d66f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:55:27,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:55:27,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:55:27,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:55:27,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:55:27,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:55:27,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:55:27,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:55:27,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:55:27,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:55:27,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:55:27,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:55:27,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:55:27,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:55:27,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:55:27,219 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:55:27,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:27,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:27,220 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:55:27,220 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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/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 -> 15357de746283fe60d846c8349b4c6ce8cd7385cd186a6f3b39858042f1d66f7 [2024-12-06 00:55:27,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:55:27,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:55:27,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:55:27,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:55:27,471 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:55:27,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_1_4.i [2024-12-06 00:55:30,175 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/c06f7b84f/f519977caf4c4f5babeec2f6475fcea1/FLAGfa4509fb8 [2024-12-06 00:55:30,359 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:55:30,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/sv-benchmarks/c/floats-cdfpl/newton_1_4.i [2024-12-06 00:55:30,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/c06f7b84f/f519977caf4c4f5babeec2f6475fcea1/FLAGfa4509fb8 [2024-12-06 00:55:30,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/data/c06f7b84f/f519977caf4c4f5babeec2f6475fcea1 [2024-12-06 00:55:30,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:55:30,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:55:30,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:30,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:55:30,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:55:30,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e625db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30, skipping insertion in model container [2024-12-06 00:55:30,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:55:30,881 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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/sv-benchmarks/c/floats-cdfpl/newton_1_4.i[1722,1735] [2024-12-06 00:55:30,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:30,892 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:55:30,907 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_cc9bce7b-54b7-499b-ac8c-fba1abb98681/sv-benchmarks/c/floats-cdfpl/newton_1_4.i[1722,1735] [2024-12-06 00:55:30,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:55:30,919 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:55:30,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30 WrapperNode [2024-12-06 00:55:30,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:55:30,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:30,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:55:30,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:55:30,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,945 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2024-12-06 00:55:30,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:55:30,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:55:30,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:55:30,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:55:30,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,959 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:55:30,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:55:30,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:55:30,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:55:30,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:55:30" (1/1) ... [2024-12-06 00:55:30,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:55:30,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:55:30,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:55:30,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:55:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:55:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:55:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:55:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:55:31,069 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:55:31,070 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:55:53,384 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-06 00:55:53,384 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:55:53,426 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:55:53,426 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:55:53,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:53 BoogieIcfgContainer [2024-12-06 00:55:53,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:55:53,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:55:53,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:55:53,435 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:55:53,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:55:53" (1/1) ... [2024-12-06 00:55:53,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:55:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 00:55:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 00:55:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:55:53,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:53,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:53,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:53,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:53,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9bce7b-54b7-499b-ac8c-fba1abb98681/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:58:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:58:04,447 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:02:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat