./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:45:53,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:45:53,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:45:53,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:45:53,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:45:53,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:45:53,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:45:53,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:45:53,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:45:53,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:45:53,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:45:53,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:45:53,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:45:53,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:45:53,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:45:53,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:45:53,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:45:53,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:45:53,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:45:53,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:45:53,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:45:53,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:45:53,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:45:53,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:45:53,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:45:53,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:45:53,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:45:53,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:53,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:45:53,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:45:53,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:45:53,825 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:45:53,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:45:53,825 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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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 -> 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 [2024-11-13 20:45:54,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:45:54,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:45:54,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:45:54,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:45:54,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:45:54,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i Unable to find full path for "g++" [2024-11-13 20:45:56,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:45:57,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:45:57,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/sv-benchmarks/c/floats-cdfpl/newton_2_5.i [2024-11-13 20:45:57,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data/a68c4d0b3/86ea329568464645be26c62daa8a14b2/FLAG501e1135e [2024-11-13 20:45:57,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data/a68c4d0b3/86ea329568464645be26c62daa8a14b2 [2024-11-13 20:45:57,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:45:57,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:45:57,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:57,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:45:57,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:45:57,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9f9057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57, skipping insertion in model container [2024-11-13 20:45:57,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:45:57,360 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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-11-13 20:45:57,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:57,379 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:45:57,410 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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-11-13 20:45:57,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:57,435 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:45:57,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57 WrapperNode [2024-11-13 20:45:57,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:57,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:57,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:45:57,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:45:57,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,485 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-13 20:45:57,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:57,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:45:57,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:45:57,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:45:57,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:45:57,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:45:57,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:45:57,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:45:57,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:57,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:57,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:45:57,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:45:57,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:45:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:45:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 20:45:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 20:45:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 20:45:57,622 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 20:45:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:45:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:45:57,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:45:57,727 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:45:57,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:45:57,902 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 20:45:57,902 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:45:57,979 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:45:57,979 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:45:57,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:57 BoogieIcfgContainer [2024-11-13 20:45:57,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:45:57,981 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:45:57,982 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:45:57,995 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:45:57,995 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:57" (1/1) ... [2024-11-13 20:45:58,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:45:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:45:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:45:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:45:58,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:58,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:58,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:58,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:58,376 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:45:58,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:45:58 ImpRootNode [2024-11-13 20:45:58,422 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:45:58,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:45:58,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:45:58,424 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:45:58,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:57" (3/4) ... [2024-11-13 20:45:58,429 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:45:58,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:45:58,435 INFO L158 Benchmark]: Toolchain (without parser) took 1374.50ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 55.9MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:45:58,436 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:58,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.96ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:58,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:58,438 INFO L158 Benchmark]: Boogie Preprocessor took 34.06ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 587.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:58,438 INFO L158 Benchmark]: RCFGBuilder took 458.10ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:58,438 INFO L158 Benchmark]: CodeCheck took 440.92ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 56.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:58,439 INFO L158 Benchmark]: Witness Printer took 8.10ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 55.9MB in the end (delta: 271.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:58,446 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: 0.4s, 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 34, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [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 0.54ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.96ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.06ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 587.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 458.10ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 440.92ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 56.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.10ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 55.9MB in the end (delta: 271.5kB). 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 20:45:58,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:46:02,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:46:02,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:46:02,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:46:02,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:46:02,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:46:02,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:46:02,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:46:02,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:46:02,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:46:02,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:46:02,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:46:02,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:46:02,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:46:02,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:46:02,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:46:02,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:46:02,629 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:46:02,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:46:02,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:46:02,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:46:02,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:46:02,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:46:02,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:46:02,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:46:02,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:46:02,630 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:02,630 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:46:02,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:46:02,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:02,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:46:02,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:46:02,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:46:02,632 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:46:02,633 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:02,634 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:46:02,634 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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/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 -> 799e2ca02ed318ae0a435976e98168672daf7c64e071ba008e9464d075c9d350 [2024-11-13 20:46:03,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:46:03,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:46:03,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:46:03,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:46:03,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:46:03,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/newton_2_5.i Unable to find full path for "g++" [2024-11-13 20:46:05,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:46:05,957 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:46:05,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/sv-benchmarks/c/floats-cdfpl/newton_2_5.i [2024-11-13 20:46:05,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data/2c0783615/ea8a8bb20d324df4a40d34b047cde0fc/FLAG53018e31e [2024-11-13 20:46:05,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/data/2c0783615/ea8a8bb20d324df4a40d34b047cde0fc [2024-11-13 20:46:05,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:46:06,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:46:06,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:06,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:46:06,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:46:06,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:05" (1/1) ... [2024-11-13 20:46:06,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e50de88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06, skipping insertion in model container [2024-11-13 20:46:06,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:46:05" (1/1) ... [2024-11-13 20:46:06,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:46:06,242 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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-11-13 20:46:06,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:06,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:46:06,308 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_864dd6df-72b3-454d-9c8e-e025aae8f2e4/sv-benchmarks/c/floats-cdfpl/newton_2_5.i[1743,1756] [2024-11-13 20:46:06,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:46:06,338 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:46:06,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06 WrapperNode [2024-11-13 20:46:06,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:46:06,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:06,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:46:06,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:46:06,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,391 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-13 20:46:06,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:46:06,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:46:06,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:46:06,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:46:06,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:46:06,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:46:06,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:46:06,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:46:06,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:46:06" (1/1) ... [2024-11-13 20:46:06,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:46:06,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:46:06,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:46:06,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:46:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:46:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 20:46:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 20:46:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:46:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 20:46:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 20:46:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:46:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:46:06,634 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:46:06,637 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:46:26,472 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 20:46:26,473 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:46:26,562 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:46:26,563 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:46:26,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:26 BoogieIcfgContainer [2024-11-13 20:46:26,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:46:26,565 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:46:26,565 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:46:26,579 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:46:26,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:46:26" (1/1) ... [2024-11-13 20:46:26,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:46:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:46:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:46:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:46:26,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:26,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:26,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:26,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:26,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd6df-72b3-454d-9c8e-e025aae8f2e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process