./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:26:13,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:26:13,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:26:13,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:26:13,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:26:13,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:26:13,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:26:13,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:26:13,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:26:13,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:26:13,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:26:13,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:26:13,889 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:26:13,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:26:13,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:26:13,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:26:13,891 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:26:13,891 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:26:13,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:26:13,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:13,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:26:13,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:26:13,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:26:13,892 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:26:13,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:26:13,892 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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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 -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2024-11-13 22:26:14,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:26:14,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:26:14,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:26:14,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:26:14,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:26:14,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c Unable to find full path for "g++" [2024-11-13 22:26:16,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:26:16,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:26:16,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-13 22:26:16,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data/e551ee5d8/c8d171fd52164c55aa1ae1b474a8dfb1/FLAG98d12f2b5 [2024-11-13 22:26:16,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data/e551ee5d8/c8d171fd52164c55aa1ae1b474a8dfb1 [2024-11-13 22:26:16,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:26:16,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:26:16,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:16,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:26:16,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:26:16,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333782b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16, skipping insertion in model container [2024-11-13 22:26:16,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:26:16,561 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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-13 22:26:16,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:16,617 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:26:16,633 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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-13 22:26:16,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:16,668 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:26:16,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16 WrapperNode [2024-11-13 22:26:16,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:16,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:16,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:26:16,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:26:16,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,714 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-13 22:26:16,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:16,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:26:16,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:26:16,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:26:16,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:26:16,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:26:16,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:26:16,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:26:16,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:16" (1/1) ... [2024-11-13 22:26:16,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:16,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:26:16,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:26:16,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:26:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:26:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:26:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:26:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:26:16,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:26:16,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:26:17,158 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:26:17,158 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:26:17,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:26:17,250 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:26:17,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:17 BoogieIcfgContainer [2024-11-13 22:26:17,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:26:17,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:26:17,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:26:17,264 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:26:17,264 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:17" (1/1) ... [2024-11-13 22:26:17,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:26:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:26:17,342 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:26:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:26:17,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:17,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:17,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:17,570 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:26:17,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:26:17 ImpRootNode [2024-11-13 22:26:17,595 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:26:17,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:26:17,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:26:17,596 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:26:17,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:17" (3/4) ... [2024-11-13 22:26:17,599 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:26:17,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:26:17,601 INFO L158 Benchmark]: Toolchain (without parser) took 1244.39ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 54.5MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:26:17,602 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:17,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.97ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:26:17,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.02ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:17,603 INFO L158 Benchmark]: Boogie Preprocessor took 37.69ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.8MB in the end (delta: 636.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:17,603 INFO L158 Benchmark]: RCFGBuilder took 498.45ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 66.4MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:26:17,604 INFO L158 Benchmark]: CodeCheck took 343.08ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 54.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:26:17,604 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 117.4MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:17,607 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - 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 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 37, overapproximation of someUnaryDOUBLEoperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. 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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.97ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.02ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.69ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.8MB in the end (delta: 636.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.45ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 66.4MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 343.08ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 54.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 117.4MB. Free memory is still 54.5MB. 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 22:26:17,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:26:20,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:26:20,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:26:20,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:26:20,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:26:20,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:26:20,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:26:20,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:26:20,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:26:20,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:26:20,569 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:26:20,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:26:20,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:26:20,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:26:20,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:26:20,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:26:20,571 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:20,571 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:26:20,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:26:20,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:20,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:26:20,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:26:20,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:26:20,572 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:26:20,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:20,573 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:26:20,573 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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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 -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2024-11-13 22:26:20,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:26:20,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:26:20,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:26:20,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:26:20,954 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:26:20,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c Unable to find full path for "g++" [2024-11-13 22:26:22,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:26:23,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:26:23,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-13 22:26:23,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data/a6177eb2f/a8c6872d508147deb3d27a44aec32adc/FLAGb2450c5e4 [2024-11-13 22:26:23,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/data/a6177eb2f/a8c6872d508147deb3d27a44aec32adc [2024-11-13 22:26:23,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:26:23,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:26:23,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:23,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:26:23,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:26:23,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4828eec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23, skipping insertion in model container [2024-11-13 22:26:23,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:26:23,670 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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-13 22:26:23,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:23,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:26:23,719 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_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-13 22:26:23,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:23,746 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:26:23,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23 WrapperNode [2024-11-13 22:26:23,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:23,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:23,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:26:23,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:26:23,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,779 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 22:26:23,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:23,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:26:23,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:26:23,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:26:23,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:26:23,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:26:23,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:26:23,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:26:23,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:23" (1/1) ... [2024-11-13 22:26:23,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:23,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:26:23,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:26:23,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:26:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:26:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:26:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:26:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:26:23,954 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:26:23,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:26:52,397 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:26:52,397 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:26:52,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:26:52,454 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:26:52,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:52 BoogieIcfgContainer [2024-11-13 22:26:52,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:26:52,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:26:52,456 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:26:52,467 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:26:52,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:52" (1/1) ... [2024-11-13 22:26:52,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:26:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:26:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:26:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:26:52,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:52,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:52,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:26:52,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:26:52,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:26:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:56,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:27:07,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:27:07,131 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) [2024-11-13 22:27:07,136 INFO L158 Benchmark]: Toolchain (without parser) took 43658.18ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 23.3MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:27:07,136 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:07,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.20ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 48.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:27:07,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.15ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:07,140 INFO L158 Benchmark]: Boogie Preprocessor took 25.36ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:27:07,140 INFO L158 Benchmark]: RCFGBuilder took 28648.47ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 31.1MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:27:07,141 INFO L158 Benchmark]: CodeCheck took 14679.19ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 23.3MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:27:07,144 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 0.72ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.20ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 48.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.15ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.36ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 28648.47ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 31.1MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14679.19ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 23.3MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:27:07,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf1dd8d-6a52-4879-84fd-1f51b6e567db/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown