./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:26:02,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:26:02,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:26:02,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:26:02,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:26:02,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:26:02,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:26:02,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:26:02,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:26:02,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:26:02,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:26:02,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:26:02,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:26:02,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:26:02,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:26:02,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:26:02,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:26:02,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:26:02,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:26:02,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:26:02,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:02,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:26:02,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:26:02,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:26:02,361 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:26:02,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:26:02,364 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_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b [2024-11-13 22:26:02,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:26:02,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:26:02,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:26:02,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:26:02,701 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:26:02,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c Unable to find full path for "g++" [2024-11-13 22:26:04,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:26:04,963 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:26:04,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-11-13 22:26:04,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data/0b2afdee0/79a6fe9f4856426799f960912da24910/FLAG3b22a9181 [2024-11-13 22:26:04,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data/0b2afdee0/79a6fe9f4856426799f960912da24910 [2024-11-13 22:26:04,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:26:04,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:26:04,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:04,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:26:04,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:26:04,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:04" (1/1) ... [2024-11-13 22:26:04,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1418d3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:04, skipping insertion in model container [2024-11-13 22:26:04,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:04" (1/1) ... [2024-11-13 22:26:05,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:26:05,164 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_4e349dbc-3431-485c-bf7d-8278415c6a32/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-13 22:26:05,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:05,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:26:05,205 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_4e349dbc-3431-485c-bf7d-8278415c6a32/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-13 22:26:05,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:05,227 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:26:05,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05 WrapperNode [2024-11-13 22:26:05,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:05,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:05,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:26:05,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:26:05,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,258 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-13 22:26:05,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:05,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:26:05,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:26:05,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:26:05,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:26:05,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:26:05,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:26:05,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:26:05,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:05,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:26:05,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:26:05,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:26:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:26:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:26:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:26:05,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:26:05,424 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:26:05,426 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:26:05,600 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-13 22:26:05,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:26:05,673 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:26:05,673 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:26:05,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:05 BoogieIcfgContainer [2024-11-13 22:26:05,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:26:05,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:26:05,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:26:05,686 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:26:05,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:05" (1/1) ... [2024-11-13 22:26:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:26:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:26:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:26:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:26:05,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:05,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:05,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:05,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:05,948 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:26:05,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:26:05 ImpRootNode [2024-11-13 22:26:05,989 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:26:05,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:26:05,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:26:05,990 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:26:05,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:05" (3/4) ... [2024-11-13 22:26:05,994 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:26:05,995 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:26:05,996 INFO L158 Benchmark]: Toolchain (without parser) took 1006.53ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 54.0MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:26:05,997 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 41.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:05,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.24ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:26:05,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.24ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:05,998 INFO L158 Benchmark]: Boogie Preprocessor took 18.46ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.9MB in the end (delta: 852.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:05,999 INFO L158 Benchmark]: RCFGBuilder took 395.51ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 66.2MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:26:05,999 INFO L158 Benchmark]: CodeCheck took 314.57ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 54.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:26:06,000 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 54.0MB in the end (delta: 427.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:06,002 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, 7 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 20]: 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 44, overapproximation of someBinaryArithmeticDOUBLEoperation at line 28, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, r; [L51] d = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(d >= 0.1 && d <= 20.0) [L18] COND FALSE !(!cond) [L52] RET assume_abort_if_not(d >= 0.1 && d <= 20.0) [L54] CALL, EXPR SqrtR(d) [L26] double xn, xnp1, residu, lsup, linf; [L27] int i, cond; [L28] COND TRUE Input <= 1.0 [L28] xn = 1.0 [L29] xnp1 = xn [L30] residu = 2.0*_EPS*(xn+xnp1) [L31] lsup = _EPS * (xn+xnp1) [L32] linf = -lsup [L33] cond = ((residu > lsup) || (residu < linf)) [L34] i = 0 VAL [_EPS=1/1000000, cond=0, i=0] [L35] COND FALSE !(\read(cond)) [L44] return 1.0 / xnp1; [L54] RET, EXPR SqrtR(d) [L54] r = SqrtR(d) [L56] CALL __VERIFIER_assert(r >= 0.3 && r <= 5.) [L20] COND TRUE !(cond) VAL [_EPS=1/1000000] [L20] reach_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 41.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.24ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.24ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.46ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.9MB in the end (delta: 852.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.51ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 66.2MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 314.57ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 54.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 54.0MB in the end (delta: 427.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:26:06,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:26:08,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:26:08,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:26:08,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:26:08,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:26:08,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:26:08,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:26:08,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:26:08,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:26:08,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:26:08,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:26:08,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:26:08,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:26:08,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:26:08,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:26:08,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:26:08,842 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:26:08,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:26:08,843 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:26:08,843 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:08,843 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:26:08,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:26:08,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:08,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:26:08,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:26:08,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:26:08,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:26:08,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:08,844 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:26:08,844 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_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b [2024-11-13 22:26:09,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:26:09,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:26:09,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:26:09,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:26:09,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:26:09,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c Unable to find full path for "g++" [2024-11-13 22:26:11,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:26:11,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:26:11,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-11-13 22:26:11,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data/4debc0ea8/3095840b36c44d77b662fdfe42e1edc6/FLAGfbc07064f [2024-11-13 22:26:11,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/data/4debc0ea8/3095840b36c44d77b662fdfe42e1edc6 [2024-11-13 22:26:11,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:26:11,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:26:11,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:11,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:26:11,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:26:11,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4720251b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11, skipping insertion in model container [2024-11-13 22:26:11,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:26:11,696 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_4e349dbc-3431-485c-bf7d-8278415c6a32/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-13 22:26:11,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:11,751 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:26:11,763 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_4e349dbc-3431-485c-bf7d-8278415c6a32/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-13 22:26:11,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:11,793 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:26:11,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11 WrapperNode [2024-11-13 22:26:11,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:11,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:11,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:26:11,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:26:11,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,837 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-13 22:26:11,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:11,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:26:11,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:26:11,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:26:11,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:26:11,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:26:11,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:26:11,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:26:11,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:11" (1/1) ... [2024-11-13 22:26:11,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:11,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:26:11,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:26:11,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:26:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:26:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:26:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:26:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:26:12,037 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:26:12,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:26:46,665 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:26:46,665 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:26:46,751 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:26:46,751 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:26:46,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:46 BoogieIcfgContainer [2024-11-13 22:26:46,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:26:46,753 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:26:46,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:26:46,764 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:26:46,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:46" (1/1) ... [2024-11-13 22:26:46,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:26:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:26:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:26:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:26:46,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:46,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:46,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:26:46,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:26:46,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:26:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:50,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:27:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:27:00,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:27:00,886 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:27:00,890 INFO L158 Benchmark]: Toolchain (without parser) took 49397.85ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 21.9MB in the end (delta: 38.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:27:00,891 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:00,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.85ms. 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. [2024-11-13 22:27:00,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.07ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:00,892 INFO L158 Benchmark]: Boogie Preprocessor took 45.28ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 46.2MB in the end (delta: 904.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:00,892 INFO L158 Benchmark]: RCFGBuilder took 34865.66ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 29.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:27:00,893 INFO L158 Benchmark]: CodeCheck took 14135.76ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 21.9MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:27:00,896 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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.85ms. 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 44.07ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.28ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 46.2MB in the end (delta: 904.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 34865.66ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 29.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14135.76ms. Allocated memory is still 83.9MB. Free memory was 29.7MB in the beginning and 21.9MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:27:01,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e349dbc-3431-485c-bf7d-8278415c6a32/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown