./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:30:38,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:30:38,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:30:38,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:30:38,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:30:38,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:30:38,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:30:38,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:30:38,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:30:38,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:30:38,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:30:38,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:30:38,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:30:38,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:30:38,815 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:30:38,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:30:38,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:30:38,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:30:38,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:30:38,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:30:38,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:30:38,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:30:38,815 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_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2024-12-05 23:30:39,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:30:39,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:30:39,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:30:39,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:30:39,028 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:30:39,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-12-05 23:30:41,679 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/2cb2bc035/7b5597f4011349e4b23832a37a4896b9/FLAGe352e3310 [2024-12-05 23:30:41,882 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:30:41,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-12-05 23:30:41,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/2cb2bc035/7b5597f4011349e4b23832a37a4896b9/FLAGe352e3310 [2024-12-05 23:30:42,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/2cb2bc035/7b5597f4011349e4b23832a37a4896b9 [2024-12-05 23:30:42,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:30:42,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:30:42,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:30:42,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:30:42,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:30:42,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce6b0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42, skipping insertion in model container [2024-12-05 23:30:42,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:30:42,362 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_4dea7954-1417-477a-95b4-fd1f2cf51f6f/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-12-05 23:30:42,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:30:42,388 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:30:42,396 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_4dea7954-1417-477a-95b4-fd1f2cf51f6f/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-12-05 23:30:42,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:30:42,415 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:30:42,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42 WrapperNode [2024-12-05 23:30:42,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:30:42,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:30:42,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:30:42,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:30:42,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,437 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-12-05 23:30:42,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:30:42,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:30:42,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:30:42,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:30:42,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,447 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:30:42,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:30:42,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:30:42,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:30:42,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:30:42,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:30:42,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:30:42,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:30:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:30:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:30:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:30:42,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:30:42,548 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:30:42,549 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:30:42,648 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-05 23:30:42,649 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:30:42,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:30:42,690 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:30:42,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:42 BoogieIcfgContainer [2024-12-05 23:30:42,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:30:42,691 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:30:42,691 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:30:42,699 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:30:42,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:42" (1/1) ... [2024-12-05 23:30:42,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:30:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:30:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:30:42,741 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:30:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:30:42,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:30:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:30:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:42,809 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:30:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:42,861 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:30:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:42,887 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:30:42,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:30:42 ImpRootNode [2024-12-05 23:30:42,908 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:30:42,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:30:42,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:30:42,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:30:42,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:42" (3/4) ... [2024-12-05 23:30:42,912 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:30:42,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:30:42,914 INFO L158 Benchmark]: Toolchain (without parser) took 664.06ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 55.2MB in the end (delta: 38.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:30:42,914 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:42,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.96ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:30:42,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.34ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:42,915 INFO L158 Benchmark]: Boogie Preprocessor took 16.59ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.9MB in the end (delta: 883.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:30:42,916 INFO L158 Benchmark]: RCFGBuilder took 235.57ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.4MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:30:42,916 INFO L158 Benchmark]: CodeCheck took 217.76ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 55.4MB in the end (delta: 12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:42,916 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 55.2MB in the end (delta: 128.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:42,919 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 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 13]: 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 someBinaryArithmeticDOUBLEoperation at line 37, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21, overapproximation of someUnaryDOUBLEoperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L15] double _EPS = 1e-6; [L42] double d, dd, r; [L43] double epsilon = 1e-8; [L45] d = 1. VAL [_EPS=1/1000000] [L45] COND TRUE d <= 20. [L47] dd = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L11] COND FALSE !(!cond) [L48] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L50] CALL, EXPR SqrtR(dd) [L19] double xn, xnp1, residu, lsup, linf; [L20] int i, cond; [L21] COND TRUE Input <= 1.0 [L21] xn = 1.0 [L22] xnp1 = xn [L23] residu = 2.0*_EPS*(xn+xnp1) [L24] lsup = _EPS * (xn+xnp1) [L25] linf = -lsup [L26] cond = ((residu > lsup) || (residu < linf)) [L27] i = 0 VAL [_EPS=1/1000000, cond=0, i=0] [L28] COND FALSE !(\read(cond)) [L37] return 1.0 / xnp1; [L50] RET, EXPR SqrtR(dd) [L50] r = SqrtR(dd) [L52] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L13] COND TRUE !(cond) VAL [_EPS=1/1000000] [L13] reach_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.96ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.34ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.59ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.9MB in the end (delta: 883.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 235.57ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.4MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 217.76ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 55.4MB in the end (delta: 12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 55.2MB in the end (delta: 128.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:30:42,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:30:44,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:30:44,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:30:44,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:30:44,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:30:44,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:30:44,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:30:44,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:30:44,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:30:44,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:30:44,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:30:44,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:30:44,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:30:44,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:30:44,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:30:44,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:30:44,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:30:44,948 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:30:44,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:30:44,948 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:30:44,948 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_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2024-12-05 23:30:45,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:30:45,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:30:45,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:30:45,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:30:45,185 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:30:45,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-12-05 23:30:47,823 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/0f51b327e/010dbe3088ca46209522d24021b52ece/FLAGbfdfac4f8 [2024-12-05 23:30:48,001 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:30:48,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-12-05 23:30:48,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/0f51b327e/010dbe3088ca46209522d24021b52ece/FLAGbfdfac4f8 [2024-12-05 23:30:48,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/data/0f51b327e/010dbe3088ca46209522d24021b52ece [2024-12-05 23:30:48,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:30:48,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:30:48,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:30:48,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:30:48,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:30:48,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187e73e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48, skipping insertion in model container [2024-12-05 23:30:48,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:30:48,168 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_4dea7954-1417-477a-95b4-fd1f2cf51f6f/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-12-05 23:30:48,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:30:48,205 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:30:48,216 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_4dea7954-1417-477a-95b4-fd1f2cf51f6f/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-12-05 23:30:48,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:30:48,239 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:30:48,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48 WrapperNode [2024-12-05 23:30:48,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:30:48,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:30:48,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:30:48,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:30:48,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,267 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-12-05 23:30:48,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:30:48,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:30:48,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:30:48,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:30:48,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:30:48,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:30:48,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:30:48,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:30:48,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:48" (1/1) ... [2024-12-05 23:30:48,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:30:48,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:30:48,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:30:48,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:30:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:30:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:30:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:30:48,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:30:48,397 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:30:48,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:31:16,351 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 23:31:16,351 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:31:16,407 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:31:16,407 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:31:16,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:16 BoogieIcfgContainer [2024-12-05 23:31:16,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:31:16,408 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:31:16,408 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:31:16,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:31:16,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:16" (1/1) ... [2024-12-05 23:31:16,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:31:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:31:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:31:16,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:31:16,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:16,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:16,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:31:16,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:31:16,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:31:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:20,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:31:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:31:30,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:31:30,702 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:31:30,705 INFO L158 Benchmark]: Toolchain (without parser) took 42680.02ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 62.3MB in the end (delta: 7.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-12-05 23:31:30,705 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:30,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.96ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:30,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.38ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:30,707 INFO L158 Benchmark]: Boogie Preprocessor took 19.47ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:30,707 INFO L158 Benchmark]: RCFGBuilder took 28119.59ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 40.9MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:30,708 INFO L158 Benchmark]: CodeCheck took 14295.83ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 62.3MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:30,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.96ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.38ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.47ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 28119.59ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 40.9MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14295.83ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 62.3MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:31:30,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dea7954-1417-477a-95b4-fd1f2cf51f6f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown