./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_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_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:46:01,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:46:01,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:46:01,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:46:01,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:46:01,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:46:01,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:46:01,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:46:01,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:46:01,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:46:01,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:46:01,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:46:01,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:46:01,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:46:01,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:46:01,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:46:01,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:46:01,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:46:01,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:01,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:46:01,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:46:01,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:46:01,973 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:46:01,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:46:01,973 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_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-12-05 22:46:02,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:46:02,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:46:02,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:46:02,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:46:02,225 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:46:02,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-12-05 22:46:04,879 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/4dc580b39/9760187ce26f4f9ea212b37960026874/FLAG52bf2e2a0 [2024-12-05 22:46:05,092 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:46:05,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-12-05 22:46:05,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/4dc580b39/9760187ce26f4f9ea212b37960026874/FLAG52bf2e2a0 [2024-12-05 22:46:05,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/4dc580b39/9760187ce26f4f9ea212b37960026874 [2024-12-05 22:46:05,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:46:05,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:46:05,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:05,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:46:05,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:46:05,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd3ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05, skipping insertion in model container [2024-12-05 22:46:05,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:46:05,280 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_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-12-05 22:46:05,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:05,310 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:46:05,320 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_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-12-05 22:46:05,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:05,340 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:46:05,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05 WrapperNode [2024-12-05 22:46:05,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:05,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:05,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:46:05,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:46:05,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,370 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-12-05 22:46:05,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:05,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:46:05,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:46:05,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:46:05,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:46:05,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:46:05,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:46:05,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:46:05,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:05,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:46:05,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:46:05,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:46:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:46:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:46:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:46:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:46:05,508 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:46:05,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:46:05,625 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-05 22:46:05,625 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:46:05,677 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:46:05,677 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:46:05,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:05 BoogieIcfgContainer [2024-12-05 22:46:05,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:46:05,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:46:05,678 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:46:05,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:46:05,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:46:05,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:46:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:46:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:46:05,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:05,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:46:05,827 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:46:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:46:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:46:05,875 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:46:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:46:05,901 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:46:05,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:46:05 ImpRootNode [2024-12-05 22:46:05,921 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:46:05,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:46:05,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:46:05,922 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:46:05,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:05" (3/4) ... [2024-12-05 22:46:05,924 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:46:05,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:46:05,926 INFO L158 Benchmark]: Toolchain (without parser) took 804.34ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 79.8MB in the end (delta: 38.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:46:05,926 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:05,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.68ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:46:05,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.56ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:05,928 INFO L158 Benchmark]: Boogie Preprocessor took 19.62ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.9MB in the end (delta: 870.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:05,928 INFO L158 Benchmark]: RCFGBuilder took 286.76ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 92.2MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:46:05,928 INFO L158 Benchmark]: CodeCheck took 243.12ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 80.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:46:05,929 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 79.8MB in the end (delta: 344.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:05,931 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 38, overapproximation of someUnaryDOUBLEoperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 46. Possible FailurePath: [L15] double _EPS = 1e-6; [L43] double d, dd, r; [L44] double epsilon = 1e-8; [L46] d = 1. VAL [_EPS=1/1000000] [L46] COND TRUE d <= 20. [L48] dd = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L11] COND FALSE !(!cond) [L49] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L51] 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)) [L38] return 1.0 / xnp1; [L51] RET, EXPR SqrtR(dd) [L51] r = SqrtR(dd) [L53] 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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.68ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.56ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.62ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.9MB in the end (delta: 870.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.76ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 92.2MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 243.12ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 80.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 79.8MB in the end (delta: 344.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:46:05,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:46:07,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:46:07,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:46:07,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:46:07,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:46:07,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:46:07,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:46:07,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:46:07,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:46:07,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:46:07,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:46:07,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:46:07,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:46:07,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:46:07,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:46:07,954 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:46:07,954 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:07,955 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:46:07,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:46:07,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:07,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:46:07,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:46:07,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:46:07,955 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:46:07,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:07,955 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:46:07,955 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_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-12-05 22:46:08,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:46:08,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:46:08,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:46:08,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:46:08,216 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:46:08,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-12-05 22:46:10,902 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/ec8c45c1b/39b1d16a73224281ae1ff683d994a6da/FLAGb6194d07b [2024-12-05 22:46:11,082 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:46:11,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-12-05 22:46:11,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/ec8c45c1b/39b1d16a73224281ae1ff683d994a6da/FLAGb6194d07b [2024-12-05 22:46:11,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/data/ec8c45c1b/39b1d16a73224281ae1ff683d994a6da [2024-12-05 22:46:11,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:46:11,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:46:11,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:11,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:46:11,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:46:11,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fd2729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11, skipping insertion in model container [2024-12-05 22:46:11,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:46:11,241 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_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-12-05 22:46:11,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:11,275 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:46:11,284 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_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-12-05 22:46:11,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:11,306 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:46:11,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11 WrapperNode [2024-12-05 22:46:11,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:11,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:11,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:46:11,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:46:11,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,333 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-12-05 22:46:11,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:11,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:46:11,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:46:11,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:46:11,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,350 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:46:11,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:46:11,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:46:11,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:46:11,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:11,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:46:11,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:46:11,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:46:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:46:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:46:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:46:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:46:11,473 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:46:11,475 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:46:38,821 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 22:46:38,822 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:46:38,864 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:46:38,864 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:46:38,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:38 BoogieIcfgContainer [2024-12-05 22:46:38,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:46:38,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:46:38,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:46:38,872 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:46:38,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:38" (1/1) ... [2024-12-05 22:46:38,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:46:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:46:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:46:38,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:46:38,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:38,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:38,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:38,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:38,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:46:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:43,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:46:53,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:46:53,546 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:46:53,549 INFO L158 Benchmark]: Toolchain (without parser) took 42440.54ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 62.1MB in the end (delta: 8.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-05 22:46:53,550 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:53,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.35ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 57.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:46:53,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.62ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:53,551 INFO L158 Benchmark]: Boogie Preprocessor took 25.31ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:46:53,551 INFO L158 Benchmark]: RCFGBuilder took 27504.11ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 40.5MB in the end (delta: 14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:53,552 INFO L158 Benchmark]: CodeCheck took 14683.71ms. Allocated memory is still 92.3MB. Free memory was 40.4MB in the beginning and 62.1MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:53,553 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 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.35ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 57.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.62ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.31ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 27504.11ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 40.5MB in the end (delta: 14.8MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 14683.71ms. Allocated memory is still 92.3MB. Free memory was 40.4MB in the beginning and 62.1MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:46:53,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0fa66-ae4b-46e2-a8be-48ca7a6de83a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown