./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_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 05:13:24,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:13:25,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:13:25,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:13:25,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:13:25,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:13:25,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:13:25,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:13:25,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:13:25,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:13:25,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:13:25,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:13:25,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:13:25,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:13:25,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:13:25,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:13:25,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:13:25,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:13:25,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:13:25,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:13:25,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:13:25,062 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:13:25,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:13:25,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:13:25,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:13:25,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:13:25,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:13:25,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:25,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:13:25,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:13:25,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:13:25,064 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:13:25,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:13:25,064 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_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 05:13:25,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:13:25,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:13:25,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:13:25,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:13:25,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:13:25,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-11-25 05:13:28,416 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/d986f2ef6/67b97b6074044945b294582694e8be36/FLAG65aeacbd9 [2024-11-25 05:13:28,647 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:13:28,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-11-25 05:13:28,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/d986f2ef6/67b97b6074044945b294582694e8be36/FLAG65aeacbd9 [2024-11-25 05:13:29,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/d986f2ef6/67b97b6074044945b294582694e8be36 [2024-11-25 05:13:29,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:13:29,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:13:29,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:29,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:13:29,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:13:29,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d1cdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29, skipping insertion in model container [2024-11-25 05:13:29,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:13:29,283 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_7ced1857-80a2-4086-8dad-0a09aedc7da0/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-11-25 05:13:29,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:29,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:13:29,322 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_7ced1857-80a2-4086-8dad-0a09aedc7da0/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-11-25 05:13:29,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:29,341 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:13:29,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29 WrapperNode [2024-11-25 05:13:29,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:29,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:29,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:13:29,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:13:29,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,381 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-25 05:13:29,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:29,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:13:29,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:13:29,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:13:29,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:13:29,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:13:29,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:13:29,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:13:29,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:29,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:13:29,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:13:29,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:13:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:13:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-25 05:13:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-25 05:13:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-25 05:13:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-25 05:13:29,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:13:29,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:13:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:13:29,580 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:13:29,582 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:13:29,706 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 05:13:29,707 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:13:29,746 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:13:29,746 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:13:29,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:29 BoogieIcfgContainer [2024-11-25 05:13:29,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:13:29,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:13:29,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:13:29,759 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:13:29,759 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:29" (1/1) ... [2024-11-25 05:13:29,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:13:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-25 05:13:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 05:13:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:13:29,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:29,930 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:13:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:29,987 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:13:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:30,016 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:13:30,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:13:30 ImpRootNode [2024-11-25 05:13:30,040 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:13:30,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:13:30,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:13:30,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:13:30,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:29" (3/4) ... [2024-11-25 05:13:30,045 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:13:30,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:13:30,048 INFO L158 Benchmark]: Toolchain (without parser) took 1020.10ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 55.4MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:13:30,048 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:30,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.49ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:30,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.50ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:30,052 INFO L158 Benchmark]: Boogie Preprocessor took 35.86ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 730.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:30,052 INFO L158 Benchmark]: RCFGBuilder took 328.52ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 67.6MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:30,052 INFO L158 Benchmark]: CodeCheck took 293.12ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 55.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:30,053 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:30,059 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 42, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 29. 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 1.50ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.49ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.50ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.86ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 730.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.52ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 67.6MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 293.12ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 55.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:13:30,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/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_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 05:13:32,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:13:32,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:13:33,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:13:33,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:13:33,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:13:33,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:13:33,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:13:33,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:13:33,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:13:33,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:13:33,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:13:33,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:13:33,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:13:33,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:13:33,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:13:33,006 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:13:33,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:13:33,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:13:33,006 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:13:33,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:13:33,006 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:13:33,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:13:33,006 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:13:33,007 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:13:33,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:13:33,007 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:33,007 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:13:33,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:13:33,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:33,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:13:33,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:13:33,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:13:33,009 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:13:33,009 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:33,009 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:13:33,009 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_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 05:13:33,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:13:33,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:13:33,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:13:33,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:13:33,309 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:13:33,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-11-25 05:13:36,453 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/758aa157b/ebb157b3bd154a5b9236a89e50c5d5ef/FLAGc94665b8d [2024-11-25 05:13:36,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:13:36,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/sv-benchmarks/c/floats-cdfpl/newton_2_3.i [2024-11-25 05:13:36,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/758aa157b/ebb157b3bd154a5b9236a89e50c5d5ef/FLAGc94665b8d [2024-11-25 05:13:36,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/data/758aa157b/ebb157b3bd154a5b9236a89e50c5d5ef [2024-11-25 05:13:36,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:13:36,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:13:36,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:36,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:13:36,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:13:36,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:36" (1/1) ... [2024-11-25 05:13:36,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e85263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:36, skipping insertion in model container [2024-11-25 05:13:36,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:36" (1/1) ... [2024-11-25 05:13:36,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:13:36,973 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_7ced1857-80a2-4086-8dad-0a09aedc7da0/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-11-25 05:13:36,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:36,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:13:37,016 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_7ced1857-80a2-4086-8dad-0a09aedc7da0/sv-benchmarks/c/floats-cdfpl/newton_2_3.i[1743,1756] [2024-11-25 05:13:37,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:37,032 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:13:37,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37 WrapperNode [2024-11-25 05:13:37,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:37,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:37,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:13:37,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:13:37,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,078 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-25 05:13:37,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:37,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:13:37,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:13:37,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:13:37,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:13:37,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:13:37,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:13:37,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:13:37,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:37" (1/1) ... [2024-11-25 05:13:37,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:37,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:13:37,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:13:37,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:13:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:13:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-25 05:13:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-25 05:13:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:13:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-25 05:13:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-25 05:13:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:13:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:13:37,288 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:13:37,290 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:14:03,061 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 05:14:03,062 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:14:03,114 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:14:03,115 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:14:03,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:03 BoogieIcfgContainer [2024-11-25 05:14:03,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:14:03,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:14:03,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:14:03,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:14:03,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:03" (1/1) ... [2024-11-25 05:14:03,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:14:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-25 05:14:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 05:14:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:14:03,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:03,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:14:03,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:14:03,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:14:03,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ced1857-80a2-4086-8dad-0a09aedc7da0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process