./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk --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 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:39:32,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:39:32,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:39:32,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:39:32,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:39:32,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:39:32,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:39:32,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:39:32,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:39:32,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:39:32,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:39:32,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:39:32,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:39:32,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:39:32,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:39:32,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:39:32,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:39:32,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:39:32,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:39:32,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:39:32,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:39:32,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:39:32,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:39:32,582 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:39:32,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:39:32,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:39:32,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:39:32,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:32,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:39:32,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:39:32,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:39:32,585 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:39:32,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:39:32,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a [2024-11-08 22:39:32,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:39:32,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:39:32,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:39:32,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:39:32,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:39:32,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c Unable to find full path for "g++" [2024-11-08 22:39:34,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:39:35,182 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:39:35,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2024-11-08 22:39:35,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data/96bbc3ca1/4c837d43e6214a3cb1bd99f472ba1ee6/FLAG14fbff3a7 [2024-11-08 22:39:35,565 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data/96bbc3ca1/4c837d43e6214a3cb1bd99f472ba1ee6 [2024-11-08 22:39:35,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:39:35,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:39:35,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:35,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:39:35,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:39:35,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:35,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dc0fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35, skipping insertion in model container [2024-11-08 22:39:35,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:35,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:35,851 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_00eede7f-5087-49b3-9f08-91186740ff2e/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-11-08 22:39:35,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:35,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:35,913 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_00eede7f-5087-49b3-9f08-91186740ff2e/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-11-08 22:39:35,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:35,941 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:35,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35 WrapperNode [2024-11-08 22:39:35,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:35,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:35,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:35,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:35,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:35,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:35,992 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-08 22:39:35,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:35,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:35,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:35,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:36,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:36,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:36,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:36,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:36,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:35" (1/1) ... [2024-11-08 22:39:36,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:36,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:36,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:36,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:39:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:39:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:36,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:36,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:36,205 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:39:36,362 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 22:39:36,364 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:39:36,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:39:36,414 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:39:36,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:36 BoogieIcfgContainer [2024-11-08 22:39:36,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:39:36,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:39:36,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:39:36,427 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:39:36,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:36" (1/1) ... [2024-11-08 22:39:36,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:39:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 22:39:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 22:39:36,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:39:36,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:36,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:39:36,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:39:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:39:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:39:36,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:39:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:39:36,696 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:39:36,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:39:36 ImpRootNode [2024-11-08 22:39:36,730 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:39:36,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:39:36,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:39:36,733 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:39:36,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:36" (3/4) ... [2024-11-08 22:39:36,737 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:39:36,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:39:36,741 INFO L158 Benchmark]: Toolchain (without parser) took 1168.32ms. Allocated memory is still 132.1MB. Free memory was 95.6MB in the beginning and 54.8MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:39:36,743 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:36,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.85ms. Allocated memory is still 132.1MB. Free memory was 95.6MB in the beginning and 82.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:39:36,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 81.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:39:36,746 INFO L158 Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:36,747 INFO L158 Benchmark]: RCFGBuilder took 387.89ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 67.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:39:36,748 INFO L158 Benchmark]: CodeCheck took 313.87ms. Allocated memory is still 132.1MB. Free memory was 67.9MB in the beginning and 54.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:39:36,749 INFO L158 Benchmark]: Witness Printer took 8.83ms. Allocated memory is still 132.1MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:36,754 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, 12 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, 7 NumberOfCodeBlocks, 7 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 someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someUnaryDOUBLEoperation at line 32. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, r; [L51] d = 1. VAL [_EPS=1/1000000, d=1] [L51] COND FALSE !(d <= 20.) VAL [_EPS=1/1000000, d=1] [L51] COND TRUE d <= 20. [L53] 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 TRUE \read(cond) VAL [_EPS=1/1000000, i=0] [L44] return 1.0 / xnp1; [L53] RET, EXPR SqrtR(d) [L53] r = SqrtR(d) [L55] CALL __VERIFIER_assert(r >= 1.0 && r <= 5.0) [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 0.30ms. Allocated memory is still 132.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.85ms. Allocated memory is still 132.1MB. Free memory was 95.6MB in the beginning and 82.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.32ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 81.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.79ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.89ms. Allocated memory is still 132.1MB. Free memory was 79.9MB in the beginning and 67.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 313.87ms. Allocated memory is still 132.1MB. Free memory was 67.9MB in the beginning and 54.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.83ms. Allocated memory is still 132.1MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:39:36,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk --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 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:39:39,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:39:39,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:39:39,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:39:39,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:39:39,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:39:39,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:39:39,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:39:39,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:39:39,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:39:39,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:39:39,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:39:39,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:39:39,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:39:39,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:39:39,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:39:39,400 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:39:39,400 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:39:39,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:39:39,401 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:39:39,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:39:39,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:39:39,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:39:39,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:39:39,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:39:39,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:39:39,407 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:39:39,408 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:39:39,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:39:39,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:39,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:39:39,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:39:39,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:39:39,410 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:39:39,411 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:39:39,411 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:39:39,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a [2024-11-08 22:39:39,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:39:39,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:39:39,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:39:39,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:39:39,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:39:39,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c Unable to find full path for "g++" [2024-11-08 22:39:42,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:39:42,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:39:42,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2024-11-08 22:39:42,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data/6fcb2299d/cc4e8cec56614250bd1ecec7752694b2/FLAG84ec44016 [2024-11-08 22:39:42,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/data/6fcb2299d/cc4e8cec56614250bd1ecec7752694b2 [2024-11-08 22:39:42,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:39:42,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:39:42,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:42,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:39:42,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:39:42,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f62ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42, skipping insertion in model container [2024-11-08 22:39:42,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:42,640 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_00eede7f-5087-49b3-9f08-91186740ff2e/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-11-08 22:39:42,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:42,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:42,704 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_00eede7f-5087-49b3-9f08-91186740ff2e/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-11-08 22:39:42,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:42,745 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:42,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42 WrapperNode [2024-11-08 22:39:42,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:42,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:42,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:42,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:42,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,804 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-08 22:39:42,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:42,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:42,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:42,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:42,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:42,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:42,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:42,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:42,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:42" (1/1) ... [2024-11-08 22:39:42,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:42,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:42,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:42,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:39:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:39:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:43,041 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:43,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:40:15,264 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:40:15,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:40:15,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:40:15,308 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:40:15,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:15 BoogieIcfgContainer [2024-11-08 22:40:15,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:40:15,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:40:15,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:40:15,320 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:40:15,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:15" (1/1) ... [2024-11-08 22:40:15,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:40:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 22:40:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 22:40:15,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:40:15,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:15,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:15,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:15,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:15,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:40:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:17,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:40:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:22,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:40:22,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:40:24,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:40:30,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:40:41,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:40:52,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:40:56,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:41:01,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:41:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2024-11-08 22:41:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2024-11-08 22:41:01,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:41:01,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:01,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:01,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:01,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:01,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:41:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:02,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:02,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:41:02,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:03,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:41:13,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:41:14,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:41:24,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:41:26,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:41:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-08 22:41:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-08 22:41:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:41:26,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:26,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:26,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:26,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:26,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:41:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:32,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:42,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:41:42,689 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:41:42,696 INFO L158 Benchmark]: Toolchain (without parser) took 120331.46ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 53.2MB in the end (delta: 5.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-08 22:41:42,698 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:41:42,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.98ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 45.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:41:42,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.61ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:41:42,702 INFO L158 Benchmark]: Boogie Preprocessor took 53.52ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:41:42,704 INFO L158 Benchmark]: RCFGBuilder took 32447.30ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 57.6MB in the end (delta: -15.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:41:42,704 INFO L158 Benchmark]: CodeCheck took 87384.82ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 53.2MB in the end (delta: 4.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 22:41:42,708 INFO L338 ainManager$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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.98ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 45.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.61ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.52ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 32447.30ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 57.6MB in the end (delta: -15.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 87384.82ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 53.2MB in the end (delta: 4.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:41:42,929 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 22:41:42,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00eede7f-5087-49b3-9f08-91186740ff2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown