./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/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_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/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_cd80ae06-3703-4d04-a496-01024695fc35/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 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:31:06,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:31:06,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:31:06,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:31:06,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:31:06,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:31:06,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:31:06,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:31:06,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:31:06,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:31:06,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:31:06,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:31:06,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:31:06,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:31:06,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:31:06,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:31:06,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:31:06,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:31:06,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:31:06,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:31:06,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:31:06,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:31:06,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:31:06,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:31:06,180 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:31:06,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:31:06,180 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_cd80ae06-3703-4d04-a496-01024695fc35/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 -> 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa [2024-12-05 21:31:06,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:31:06,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:31:06,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:31:06,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:31:06,434 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:31:06,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2024-12-05 21:31:09,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/00da3ac13/49f66f176f654568a135f661a7ee717d/FLAGd3e8104e4 [2024-12-05 21:31:09,368 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:31:09,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2024-12-05 21:31:09,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/00da3ac13/49f66f176f654568a135f661a7ee717d/FLAGd3e8104e4 [2024-12-05 21:31:09,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/00da3ac13/49f66f176f654568a135f661a7ee717d [2024-12-05 21:31:09,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:31:09,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:31:09,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:31:09,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:31:09,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:31:09,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f38cdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09, skipping insertion in model container [2024-12-05 21:31:09,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:31:09,909 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_cd80ae06-3703-4d04-a496-01024695fc35/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2024-12-05 21:31:09,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:31:09,921 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:31:09,936 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_cd80ae06-3703-4d04-a496-01024695fc35/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2024-12-05 21:31:09,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:31:09,948 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:31:09,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09 WrapperNode [2024-12-05 21:31:09,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:31:09,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:31:09,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:31:09,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:31:09,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,974 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-05 21:31:09,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:31:09,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:31:09,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:31:09,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:31:09,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,986 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:31:09,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:31:09,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:31:09,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:31:09,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:09" (1/1) ... [2024-12-05 21:31:09,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:31:10,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:31:10,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:31:10,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:31:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:31:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 21:31:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 21:31:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 21:31:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 21:31:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:31:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:31:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:31:10,105 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:31:10,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:31:10,202 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 21:31:10,202 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:31:10,234 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:31:10,234 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:31:10,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:10 BoogieIcfgContainer [2024-12-05 21:31:10,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:31:10,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:31:10,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:31:10,243 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:31:10,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:10" (1/1) ... [2024-12-05 21:31:10,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:31:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:31:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-05 21:31:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-05 21:31:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:31:10,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:31:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:31:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:31:10,367 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:31:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:31:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:31:10,419 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:31:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:31:10,445 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:31:10,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:31:10 ImpRootNode [2024-12-05 21:31:10,466 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:31:10,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:31:10,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:31:10,467 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:31:10,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:10" (3/4) ... [2024-12-05 21:31:10,470 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:31:10,470 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:31:10,471 INFO L158 Benchmark]: Toolchain (without parser) took 705.80ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 56.8MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:31:10,472 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:31:10,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.75ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:31:10,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.49ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:31:10,473 INFO L158 Benchmark]: Boogie Preprocessor took 16.68ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 633.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:31:10,473 INFO L158 Benchmark]: RCFGBuilder took 242.19ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 68.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:31:10,474 INFO L158 Benchmark]: CodeCheck took 231.54ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 57.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:31:10,474 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 56.8MB in the end (delta: 193.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:31:10,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 51]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L42] CALL, EXPR f(IN) 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.75ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.49ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.68ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 633.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 242.19ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 68.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 231.54ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 57.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 56.8MB in the end (delta: 193.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:31:10,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/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_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/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_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/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_cd80ae06-3703-4d04-a496-01024695fc35/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 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:31:12,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:31:12,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:31:12,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:31:12,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:31:12,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:31:12,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:31:12,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:31:12,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:31:12,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:31:12,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:31:12,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:31:12,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:31:12,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:31:12,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:31:12,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:31:12,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:31:12,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:31:12,708 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:31:12,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:31:12,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:31:12,708 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:31:12,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:31:12,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:31:12,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:31:12,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:31:12,709 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:31:12,709 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:31:12,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:31:12,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:31:12,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:31:12,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:31:12,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:31:12,710 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:31:12,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:31:12,710 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:31:12,710 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_cd80ae06-3703-4d04-a496-01024695fc35/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 -> 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa [2024-12-05 21:31:12,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:31:12,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:31:12,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:31:12,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:31:12,979 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:31:12,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2024-12-05 21:31:15,686 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/7e5a16c1b/f1fc0254eb9a41fa826d2b5f8e4230ce/FLAG3a690a98f [2024-12-05 21:31:15,860 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:31:15,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2024-12-05 21:31:15,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/7e5a16c1b/f1fc0254eb9a41fa826d2b5f8e4230ce/FLAG3a690a98f [2024-12-05 21:31:16,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/data/7e5a16c1b/f1fc0254eb9a41fa826d2b5f8e4230ce [2024-12-05 21:31:16,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:31:16,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:31:16,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:31:16,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:31:16,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:31:16,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333bc269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16, skipping insertion in model container [2024-12-05 21:31:16,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:31:16,417 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_cd80ae06-3703-4d04-a496-01024695fc35/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2024-12-05 21:31:16,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:31:16,433 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:31:16,446 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_cd80ae06-3703-4d04-a496-01024695fc35/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2024-12-05 21:31:16,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:31:16,460 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:31:16,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16 WrapperNode [2024-12-05 21:31:16,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:31:16,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:31:16,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:31:16,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:31:16,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,488 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-12-05 21:31:16,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:31:16,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:31:16,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:31:16,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:31:16,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:31:16,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:31:16,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:31:16,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:31:16,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:16" (1/1) ... [2024-12-05 21:31:16,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:31:16,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:31:16,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:31:16,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:31:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:31:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 21:31:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 21:31:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:31:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 21:31:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 21:31:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:31:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:31:16,614 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:31:16,616 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:31:41,559 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 21:31:41,560 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:31:41,616 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:31:41,616 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:31:41,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:41 BoogieIcfgContainer [2024-12-05 21:31:41,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:31:41,617 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:31:41,617 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:31:41,626 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:31:41,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:41" (1/1) ... [2024-12-05 21:31:41,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:31:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:31:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-05 21:31:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-05 21:31:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:31:41,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:31:41,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:31:41,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:31:41,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:31:41,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd80ae06-3703-4d04-a496-01024695fc35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process