./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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 05:12:39,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:12:39,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:12:39,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:12:39,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:12:39,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:12:39,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:12:39,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:12:39,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:12:39,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:12:39,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:12:39,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:12:39,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:12:39,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:12:39,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:12:39,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:12:39,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:12:39,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:12:39,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:12:39,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:12:39,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:12:39,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:12:39,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:12:39,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:12:39,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:12:39,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:12:39,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:12:39,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:39,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:12:39,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:12:39,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:12:39,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:12:39,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:12:39,544 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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 05:12:39,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:12:39,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:12:39,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:12:39,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:12:39,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:12:39,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-25 05:12:42,786 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/6fd57a04b/70c82a891fdc4cc29f402ac87b7139bd/FLAG0d3c6fad4 [2024-11-25 05:12:43,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:12:43,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-25 05:12:43,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/6fd57a04b/70c82a891fdc4cc29f402ac87b7139bd/FLAG0d3c6fad4 [2024-11-25 05:12:43,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/6fd57a04b/70c82a891fdc4cc29f402ac87b7139bd [2024-11-25 05:12:43,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:12:43,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:12:43,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:43,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:12:43,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:12:43,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280dbf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43, skipping insertion in model container [2024-11-25 05:12:43,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:12:43,292 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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-25 05:12:43,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:43,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:12:43,347 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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-25 05:12:43,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:43,378 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:12:43,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43 WrapperNode [2024-11-25 05:12:43,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:43,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:43,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:12:43,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:12:43,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,423 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-25 05:12:43,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:43,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:12:43,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:12:43,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:12:43,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:12:43,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:12:43,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:12:43,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:12:43,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:43,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:12:43,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:12:43,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:12:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:12:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:12:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:12:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:12:43,603 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:12:43,605 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:12:43,779 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 05:12:43,780 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:12:43,860 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:12:43,860 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:12:43,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:43 BoogieIcfgContainer [2024-11-25 05:12:43,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:12:43,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:12:43,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:12:43,879 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:12:43,880 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:43" (1/1) ... [2024-11-25 05:12:43,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:12:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:12:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:12:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:12:43,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:43,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:44,060 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:12:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:44,121 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:12:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:44,147 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:12:44,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:12:44 ImpRootNode [2024-11-25 05:12:44,169 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:12:44,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:12:44,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:12:44,171 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:12:44,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:43" (3/4) ... [2024-11-25 05:12:44,174 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:12:44,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:12:44,176 INFO L158 Benchmark]: Toolchain (without parser) took 1092.46ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 54.9MB in the end (delta: 39.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:12:44,176 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:44,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.69ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:12:44,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.56ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:44,177 INFO L158 Benchmark]: Boogie Preprocessor took 32.95ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:44,178 INFO L158 Benchmark]: RCFGBuilder took 406.75ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:12:44,178 INFO L158 Benchmark]: CodeCheck took 304.80ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 55.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:12:44,178 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 54.9MB in the end (delta: 372.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:44,181 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 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 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.69ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.56ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.95ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.75ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 304.80ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 55.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 54.9MB in the end (delta: 372.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:12:44,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 05:12:46,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:12:46,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:12:46,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:12:46,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:12:46,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:12:46,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:12:46,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:12:46,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:12:46,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:12:46,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:12:46,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:12:46,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:12:46,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:12:46,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:12:46,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:12:46,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:12:46,950 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:12:46,950 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:46,950 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:12:46,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:12:46,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:46,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:12:46,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:12:46,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:12:46,951 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:12:46,951 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:12:46,951 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:12:46,951 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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 05:12:47,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:12:47,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:12:47,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:12:47,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:12:47,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:12:47,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-25 05:12:50,325 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/afe7ab577/3ed8d290937f48a48e0857deb53e859e/FLAG8adc2c51b [2024-11-25 05:12:50,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:12:50,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-25 05:12:50,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/afe7ab577/3ed8d290937f48a48e0857deb53e859e/FLAG8adc2c51b [2024-11-25 05:12:50,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/data/afe7ab577/3ed8d290937f48a48e0857deb53e859e [2024-11-25 05:12:50,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:12:50,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:12:50,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:50,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:12:50,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:12:50,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:50,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4ead35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50, skipping insertion in model container [2024-11-25 05:12:50,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:50,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:12:50,847 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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-25 05:12:50,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:50,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:12:50,922 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_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-25 05:12:50,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:50,954 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:12:50,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50 WrapperNode [2024-11-25 05:12:50,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:50,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:50,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:12:50,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:12:50,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:50,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,003 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-25 05:12:51,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:51,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:12:51,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:12:51,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:12:51,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:12:51,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:12:51,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:12:51,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:12:51,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:50" (1/1) ... [2024-11-25 05:12:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:51,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:12:51,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:12:51,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:12:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:12:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:12:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:12:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:12:51,192 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:12:51,194 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:13:20,168 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 05:13:20,168 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:13:20,233 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:13:20,233 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:13:20,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:20 BoogieIcfgContainer [2024-11-25 05:13:20,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:13:20,234 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:13:20,234 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:13:20,245 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:13:20,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:20" (1/1) ... [2024-11-25 05:13:20,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:13:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:13:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:13:20,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:13:20,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:20,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:13:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:13:20,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:13:20,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:13:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:24,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:13:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:13:35,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:13:35,033 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) [2024-11-25 05:13:35,040 INFO L158 Benchmark]: Toolchain (without parser) took 44398.44ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 23.5MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:13:35,040 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:35,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.26ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:35,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.60ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:35,043 INFO L158 Benchmark]: Boogie Preprocessor took 49.21ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:35,043 INFO L158 Benchmark]: RCFGBuilder took 29180.05ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 31.3MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:35,044 INFO L158 Benchmark]: CodeCheck took 14802.32ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 23.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:35,049 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 0.41ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.26ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.60ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.21ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 29180.05ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 31.3MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14802.32ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 23.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:13:35,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77af5bc9-ae18-47ce-8e2c-324f88c41e5b/bin/ukojak-verify-ENZ3QT5qd3/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