./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm --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 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:22,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:22,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:50:22,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:50:22,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:50:22,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:22,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:22,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:22,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:22,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:22,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:22,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:22,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:50:22,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:50:22,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:50:22,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:22,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:22,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:22,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:22,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:22,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:50:22,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:22,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:22,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:22,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:22,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:22,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:22,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:22,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:22,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:22,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:22,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:50:22,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:50:22,526 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_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm 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 -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2024-11-13 16:50:22,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:22,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:22,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:22,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:22,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:22,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i Unable to find full path for "g++" [2024-11-13 16:50:24,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:25,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:25,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-11-13 16:50:25,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data/e1342b438/c4e338cc137e4e4d994e4d5d608bda19/FLAG2fdc66a2d [2024-11-13 16:50:25,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data/e1342b438/c4e338cc137e4e4d994e4d5d608bda19 [2024-11-13 16:50:25,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:25,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:25,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:25,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:25,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:25,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c1f1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25, skipping insertion in model container [2024-11-13 16:50:25,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:25,562 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_ced6b82a-10d4-4384-8852-02ae6951d4fb/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-13 16:50:25,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:25,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:25,592 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_ced6b82a-10d4-4384-8852-02ae6951d4fb/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-13 16:50:25,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:25,605 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:25,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25 WrapperNode [2024-11-13 16:50:25,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:25,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:25,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:25,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:25,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,636 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-13 16:50:25,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:25,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:25,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:25,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:25,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:25,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:25,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:25,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:25,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:25" (1/1) ... [2024-11-13 16:50:25,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:25,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:25,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:25,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 16:50:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 16:50:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 16:50:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 16:50:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:50:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:25,813 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:25,815 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:25,985 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:25,987 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:26,050 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:26,050 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:50:26,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:26 BoogieIcfgContainer [2024-11-13 16:50:26,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:26,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:26,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:26,066 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:26,066 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:26" (1/1) ... [2024-11-13 16:50:26,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 16:50:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 16:50:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:50:26,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:26,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:26,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:26,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:26,362 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:50:26,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:50:26 ImpRootNode [2024-11-13 16:50:26,388 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:50:26,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:50:26,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:50:26,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:50:26,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:26" (3/4) ... [2024-11-13 16:50:26,398 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:50:26,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:50:26,401 INFO L158 Benchmark]: Toolchain (without parser) took 1038.79ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 57.0MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:50:26,401 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:26,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.24ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 83.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:26,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.81ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:26,403 INFO L158 Benchmark]: Boogie Preprocessor took 18.25ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.2MB in the end (delta: 721.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:26,403 INFO L158 Benchmark]: RCFGBuilder took 397.84ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.3MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:50:26,405 INFO L158 Benchmark]: CodeCheck took 334.18ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 57.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:26,406 INFO L158 Benchmark]: Witness Printer took 11.06ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 57.0MB in the end (delta: 350.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:26,409 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: 0.3s, 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 - 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 29, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L42] CALL, EXPR f(IN) 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 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.24ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 83.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.81ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.25ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.2MB in the end (delta: 721.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.84ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.3MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 334.18ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 57.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 11.06ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 57.0MB in the end (delta: 350.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:50:26,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm --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 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:29,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:29,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:50:29,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:29,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:29,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:29,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:29,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:29,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:29,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:29,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:50:29,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:50:29,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:29,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:29,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:29,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:29,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:29,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:29,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:29,472 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:29,473 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:50:29,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:29,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:29,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:29,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:29,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:29,473 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:50:29,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:29,474 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:50:29,474 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_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm 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 -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2024-11-13 16:50:29,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:29,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:29,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:29,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:29,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:29,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i Unable to find full path for "g++" [2024-11-13 16:50:31,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:32,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:32,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-11-13 16:50:32,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data/7d598b0ea/91b5103f97604d44b998389895d9db78/FLAGbd6e8a324 [2024-11-13 16:50:32,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/data/7d598b0ea/91b5103f97604d44b998389895d9db78 [2024-11-13 16:50:32,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:32,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:32,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:32,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:32,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:32,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d56fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32, skipping insertion in model container [2024-11-13 16:50:32,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:32,579 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_ced6b82a-10d4-4384-8852-02ae6951d4fb/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-13 16:50:32,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:32,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:32,631 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_ced6b82a-10d4-4384-8852-02ae6951d4fb/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-13 16:50:32,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:32,659 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:32,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32 WrapperNode [2024-11-13 16:50:32,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:32,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:32,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:32,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:32,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,704 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-13 16:50:32,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:32,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:32,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:32,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:32,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:32,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:32,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:32,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:32,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:32" (1/1) ... [2024-11-13 16:50:32,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:32,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:32,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:32,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 16:50:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 16:50:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:50:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 16:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 16:50:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:32,932 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:32,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:56,653 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:56,653 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:56,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:56,711 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:50:56,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:56 BoogieIcfgContainer [2024-11-13 16:50:56,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:56,712 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:56,712 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:56,724 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:56,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:56" (1/1) ... [2024-11-13 16:50:56,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 16:50:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 16:50:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:50:56,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:56,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:56,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:56,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:56,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced6b82a-10d4-4384-8852-02ae6951d4fb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process