./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_7.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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:00:28,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:00:28,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:00:28,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:00:28,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:00:28,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:00:28,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:00:28,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:00:28,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:00:28,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:00:28,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:00:28,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:00:28,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:00:28,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:00:28,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:00:28,592 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:00:28,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:00:28,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:00:28,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:28,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:00:28,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:00:28,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:00:28,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:00:28,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:00:28,593 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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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 -> 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f [2024-12-06 01:00:28,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:00:28,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:00:28,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:00:28,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:00:28,843 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:00:28,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2024-12-06 01:00:31,447 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/75eeb2c96/4d892f11ef644e67b994b6ef713fce3d/FLAGbaeacaaab [2024-12-06 01:00:31,650 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:00:31,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2024-12-06 01:00:31,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/75eeb2c96/4d892f11ef644e67b994b6ef713fce3d/FLAGbaeacaaab [2024-12-06 01:00:32,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/75eeb2c96/4d892f11ef644e67b994b6ef713fce3d [2024-12-06 01:00:32,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:00:32,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:00:32,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:32,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:00:32,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:00:32,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368f2b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32, skipping insertion in model container [2024-12-06 01:00:32,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:00:32,142 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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2024-12-06 01:00:32,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:32,152 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:00:32,162 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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2024-12-06 01:00:32,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:32,171 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:00:32,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32 WrapperNode [2024-12-06 01:00:32,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:32,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:32,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:00:32,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:00:32,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,193 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-06 01:00:32,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:32,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:00:32,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:00:32,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:00:32,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:00:32,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:00:32,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:00:32,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:00:32,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:32,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:00:32,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:00:32,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:00:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:00:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:00:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:00:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:00:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:00:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:00:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:00:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:00:32,288 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:00:32,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:00:32,367 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 01:00:32,368 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:00:32,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:00:32,399 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:00:32,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:32 BoogieIcfgContainer [2024-12-06 01:00:32,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:00:32,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:00:32,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:00:32,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:00:32,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:32" (1/1) ... [2024-12-06 01:00:32,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:00:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 01:00:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 01:00:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:00:32,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:32,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:32,512 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:00:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:32,552 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:00:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:00:32,573 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:00:32,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:00:32 ImpRootNode [2024-12-06 01:00:32,588 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:00:32,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:00:32,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:00:32,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:00:32,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:32" (3/4) ... [2024-12-06 01:00:32,591 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:00:32,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:00:32,592 INFO L158 Benchmark]: Toolchain (without parser) took 577.94ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 81.5MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:00:32,593 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:32,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.49ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 107.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:00:32,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.70ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:32,594 INFO L158 Benchmark]: Boogie Preprocessor took 10.76ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.5MB in the end (delta: 723.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:32,594 INFO L158 Benchmark]: RCFGBuilder took 193.64ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:00:32,594 INFO L158 Benchmark]: CodeCheck took 189.08ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 81.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:00:32,594 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:00:32,596 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 42, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.49ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 107.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.70ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 10.76ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.5MB in the end (delta: 723.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 193.64ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 189.08ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 81.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:00:32,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:00:34,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:00:34,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:00:34,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:00:34,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:00:34,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:00:34,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:00:34,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:00:34,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:00:34,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:00:34,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:00:34,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:00:34,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:00:34,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:00:34,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:00:34,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:34,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:34,574 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:00:34,575 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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/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 -> 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f [2024-12-06 01:00:34,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:00:34,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:00:34,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:00:34,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:00:34,813 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:00:34,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2024-12-06 01:00:37,432 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/fbe0d7503/8a4f53bd85394df7a4a18534c2950ba3/FLAG30ad885d8 [2024-12-06 01:00:37,624 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:00:37,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2024-12-06 01:00:37,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/fbe0d7503/8a4f53bd85394df7a4a18534c2950ba3/FLAG30ad885d8 [2024-12-06 01:00:37,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/data/fbe0d7503/8a4f53bd85394df7a4a18534c2950ba3 [2024-12-06 01:00:37,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:00:37,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:00:37,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:37,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:00:37,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:00:37,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2c3675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37, skipping insertion in model container [2024-12-06 01:00:37,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:00:37,791 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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2024-12-06 01:00:37,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:37,804 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:00:37,819 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_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2024-12-06 01:00:37,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:00:37,833 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:00:37,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37 WrapperNode [2024-12-06 01:00:37,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:00:37,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:37,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:00:37,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:00:37,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,860 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-12-06 01:00:37,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:00:37,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:00:37,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:00:37,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:00:37,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:00:37,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:00:37,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:00:37,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:00:37,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:00:37" (1/1) ... [2024-12-06 01:00:37,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:00:37,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:00:37,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:00:37,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:00:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:00:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:00:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:00:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:00:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:00:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:00:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:00:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:00:37,987 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:00:37,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:01:02,752 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:01:02,752 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:01:02,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:01:02,801 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:01:02,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:02 BoogieIcfgContainer [2024-12-06 01:01:02,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:01:02,802 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:01:02,802 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:01:02,808 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:01:02,808 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:02" (1/1) ... [2024-12-06 01:01:02,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:01:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 01:01:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 01:01:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:01:02,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:02,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:02,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:02,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:02,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec1c3f4-2455-4d7c-b054-294f6ec82bf3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process