./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_3.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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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 3d5cf3d3f6a66e0fec35a8df9c97421970e8f4a2d8e4987399460faf7d39825c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:43:34,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:43:34,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:43:34,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:43:34,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:43:34,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:43:34,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:43:34,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:43:34,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:43:34,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:43:34,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:43:34,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:43:34,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:43:34,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:43:34,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:43:34,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:43:34,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:43:34,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:43:34,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:34,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:43:34,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:43:34,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:43:34,594 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:43:34,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:43:34,594 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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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 -> 3d5cf3d3f6a66e0fec35a8df9c97421970e8f4a2d8e4987399460faf7d39825c [2024-12-05 23:43:34,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:43:34,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:43:34,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:43:34,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:43:34,841 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:43:34,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-12-05 23:43:37,476 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/b522c9c2c/7f2d44a5cc0b4b1caf6fa659dcf6b2be/FLAGc024c56f9 [2024-12-05 23:43:37,668 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:43:37,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-12-05 23:43:37,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/b522c9c2c/7f2d44a5cc0b4b1caf6fa659dcf6b2be/FLAGc024c56f9 [2024-12-05 23:43:38,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/b522c9c2c/7f2d44a5cc0b4b1caf6fa659dcf6b2be [2024-12-05 23:43:38,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:43:38,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:43:38,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:38,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:43:38,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:43:38,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7358b1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38, skipping insertion in model container [2024-12-05 23:43:38,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:43:38,171 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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-12-05 23:43:38,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:38,183 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:43:38,198 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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-12-05 23:43:38,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:38,212 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:43:38,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38 WrapperNode [2024-12-05 23:43:38,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:38,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:38,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:43:38,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:43:38,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,234 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-05 23:43:38,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:38,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:43:38,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:43:38,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:43:38,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:43:38,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:43:38,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:43:38,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:43:38,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:38,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:43:38,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:43:38,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:43:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:43:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 23:43:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 23:43:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 23:43:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 23:43:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:43:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:43:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:43:38,340 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:43:38,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:43:38,425 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 23:43:38,425 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:43:38,457 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:43:38,457 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:43:38,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:38 BoogieIcfgContainer [2024-12-05 23:43:38,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:43:38,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:43:38,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:43:38,464 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:43:38,464 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:38" (1/1) ... [2024-12-05 23:43:38,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:43:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-05 23:43:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-05 23:43:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:43:38,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:38,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:43:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:38,619 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:43:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:43:38,644 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:43:38,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:43:38 ImpRootNode [2024-12-05 23:43:38,664 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:43:38,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:43:38,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:43:38,665 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:43:38,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:38" (3/4) ... [2024-12-05 23:43:38,667 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:43:38,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:43:38,668 INFO L158 Benchmark]: Toolchain (without parser) took 642.64ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 81.5MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:43:38,669 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:38,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.50ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:38,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.79ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:38,670 INFO L158 Benchmark]: Boogie Preprocessor took 15.46ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 779.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:38,670 INFO L158 Benchmark]: RCFGBuilder took 206.43ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:43:38,670 INFO L158 Benchmark]: CodeCheck took 206.53ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 81.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:38,671 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 174.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:38,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 51]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=3] [L44] CALL, EXPR fp(x) VAL [\old(x)=3] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=3] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.50ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.79ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.46ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 779.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 206.43ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 206.53ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 81.7MB in the end (delta: 11.9MB). 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 81.7MB in the beginning and 81.5MB in the end (delta: 174.7kB). 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 23:43:38,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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 3d5cf3d3f6a66e0fec35a8df9c97421970e8f4a2d8e4987399460faf7d39825c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:43:40,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:43:40,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:43:40,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:43:40,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:43:40,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:43:40,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:43:40,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:43:40,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:43:40,665 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:43:40,666 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:43:40,666 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:40,667 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:43:40,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:43:40,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:40,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:43:40,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:43:40,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:43:40,667 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:43:40,667 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:40,667 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:43:40,667 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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/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 -> 3d5cf3d3f6a66e0fec35a8df9c97421970e8f4a2d8e4987399460faf7d39825c [2024-12-05 23:43:40,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:43:40,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:43:40,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:43:40,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:43:40,905 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:43:40,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-12-05 23:43:43,604 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/f8fe8cfcf/a1dc20c5312b48148825d77f6d69fb97/FLAGb1a4611e8 [2024-12-05 23:43:43,759 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:43:43,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-12-05 23:43:43,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/f8fe8cfcf/a1dc20c5312b48148825d77f6d69fb97/FLAGb1a4611e8 [2024-12-05 23:43:43,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/data/f8fe8cfcf/a1dc20c5312b48148825d77f6d69fb97 [2024-12-05 23:43:43,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:43:43,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:43:43,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:43,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:43:43,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:43:43,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:43,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f790fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43, skipping insertion in model container [2024-12-05 23:43:43,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:43,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:43:43,917 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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-12-05 23:43:43,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:43,930 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:43:43,944 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_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-12-05 23:43:43,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:43,958 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:43:43,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43 WrapperNode [2024-12-05 23:43:43,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:43,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:43,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:43:43,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:43:43,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:43,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:43,986 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-12-05 23:43:43,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:43,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:43:43,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:43:43,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:43:43,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:43,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:43,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:43,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:44,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:44,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:44,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:44,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:44,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:44,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:43:44,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:43:44,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:43:44,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:43:44,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2024-12-05 23:43:44,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:44,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:43:44,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:43:44,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:43:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:43:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 23:43:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 23:43:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:43:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 23:43:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 23:43:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:43:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:43:44,124 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:43:44,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:44:07,807 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 23:44:07,808 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:44:07,840 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:44:07,840 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:44:07,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:44:07 BoogieIcfgContainer [2024-12-05 23:44:07,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:44:07,842 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:44:07,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:44:07,849 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:44:07,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:44:07" (1/1) ... [2024-12-05 23:44:07,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:44:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-05 23:44:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-05 23:44:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:44:07,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:07,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:07,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:07,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:07,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_558ca2c9-32c9-4a83-aae3-358d8b4fd81b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process