./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 22:05:32,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:32,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:32,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:32,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:32,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:32,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:32,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:32,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:32,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:32,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:32,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:32,479 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:32,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:32,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:32,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:32,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:32,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:32,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:32,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:32,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:32,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:32,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:32,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:32,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:32,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:32,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:32,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:32,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:32,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:32,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:32,490 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:32,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:32,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2024-11-08 22:05:32,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:32,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:32,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:32,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:32,921 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:32,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i Unable to find full path for "g++" [2024-11-08 22:05:35,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:35,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:35,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-11-08 22:05:35,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data/4789d3137/75e7b7b957c443cb99524cf4e3b8a1ba/FLAG0690248ef [2024-11-08 22:05:35,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data/4789d3137/75e7b7b957c443cb99524cf4e3b8a1ba [2024-11-08 22:05:35,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:35,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:35,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:35,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:35,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:35,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e3c3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35, skipping insertion in model container [2024-11-08 22:05:35,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:35,754 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_52c5cf21-ba91-4a57-8259-975708df529e/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-08 22:05:35,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:35,769 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:35,785 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_52c5cf21-ba91-4a57-8259-975708df529e/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-08 22:05:35,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:35,805 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:35,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35 WrapperNode [2024-11-08 22:05:35,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:35,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:35,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:35,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:35,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,840 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-08 22:05:35,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:35,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:35,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:35,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:35,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:35,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:35,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:35,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:35,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:35,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:35,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:35,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:05:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:05:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:05:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:05:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:36,022 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:36,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:36,201 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:36,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:36,267 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:36,268 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:36,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:36 BoogieIcfgContainer [2024-11-08 22:05:36,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:36,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:36,273 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:36,284 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:36,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:36,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:05:36,349 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:05:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:05:36,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,560 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:36,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:36 ImpRootNode [2024-11-08 22:05:36,585 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:36,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:36,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:36,586 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:36,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:36" (3/4) ... [2024-11-08 22:05:36,590 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:36,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:36,592 INFO L158 Benchmark]: Toolchain (without parser) took 1087.54ms. Allocated memory is still 207.6MB. Free memory was 170.7MB in the beginning and 129.8MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,593 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:36,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.01ms. Allocated memory is still 207.6MB. Free memory was 170.7MB in the beginning and 158.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 207.6MB. Free memory was 158.1MB in the beginning and 156.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:36,595 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 207.6MB. Free memory was 156.6MB in the beginning and 155.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,596 INFO L158 Benchmark]: RCFGBuilder took 405.59ms. Allocated memory is still 207.6MB. Free memory was 155.5MB in the beginning and 143.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,597 INFO L158 Benchmark]: CodeCheck took 312.34ms. Allocated memory is still 207.6MB. Free memory was 143.0MB in the beginning and 129.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,597 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 207.6MB. Free memory was 129.8MB in the beginning and 129.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:36,601 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 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 0.28ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.01ms. Allocated memory is still 207.6MB. Free memory was 170.7MB in the beginning and 158.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 207.6MB. Free memory was 158.1MB in the beginning and 156.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.16ms. Allocated memory is still 207.6MB. Free memory was 156.6MB in the beginning and 155.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.59ms. Allocated memory is still 207.6MB. Free memory was 155.5MB in the beginning and 143.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 312.34ms. Allocated memory is still 207.6MB. Free memory was 143.0MB in the beginning and 129.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 207.6MB. Free memory was 129.8MB in the beginning and 129.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:36,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 22:05:39,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:39,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:05:39,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:39,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:39,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:39,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:39,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:39,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:39,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:39,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:39,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:39,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:39,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:39,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:39,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:39,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:39,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:39,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:39,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:39,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:39,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:39,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:39,245 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:39,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:39,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:39,246 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:39,246 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:39,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:39,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:39,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:39,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:39,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:39,249 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:39,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:39,250 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:39,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2024-11-08 22:05:39,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:39,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:39,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:39,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:39,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:39,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i Unable to find full path for "g++" [2024-11-08 22:05:41,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:42,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:42,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-11-08 22:05:42,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data/44fb307f1/5fedd9a56fb147718ffe9e61ee946186/FLAGbffb10775 [2024-11-08 22:05:42,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/data/44fb307f1/5fedd9a56fb147718ffe9e61ee946186 [2024-11-08 22:05:42,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:42,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:42,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:42,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:42,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:42,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6292f36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42, skipping insertion in model container [2024-11-08 22:05:42,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:42,415 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_52c5cf21-ba91-4a57-8259-975708df529e/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-08 22:05:42,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:42,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:42,458 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_52c5cf21-ba91-4a57-8259-975708df529e/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-11-08 22:05:42,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:42,484 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:42,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42 WrapperNode [2024-11-08 22:05:42,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:42,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:42,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:42,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:42,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,529 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-08 22:05:42,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:42,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:42,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:42,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:42,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:42,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:42,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:42,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:42,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:42,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:42,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:42,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:42,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:42,665 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:05:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:05:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:05:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:05:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:05:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:42,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:42,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:08,311 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:08,312 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:08,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:08,382 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:08,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:08 BoogieIcfgContainer [2024-11-08 22:06:08,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:08,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:08,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:08,397 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:08,398 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:08" (1/1) ... [2024-11-08 22:06:08,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:06:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:06:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:06:08,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:08,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:08,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:08,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:08,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c5cf21-ba91-4a57-8259-975708df529e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process