./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:04:39,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:04:39,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:04:39,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:04:39,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:04:39,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:04:39,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:04:39,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:04:39,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:04:39,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:04:39,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:04:39,316 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:04:39,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:04:39,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:04:39,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:04:39,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:04:39,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:04:39,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:04:39,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:04:39,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:39,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:04:39,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:04:39,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:04:39,318 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:04:39,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:04:39,318 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_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a [2024-12-06 05:04:39,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:04:39,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:04:39,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:04:39,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:04:39,558 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:04:39,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2024-12-06 05:04:42,220 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/c1b9ba22f/7e0969956e6c4a1f8676954d41f155fd/FLAG11853bf92 [2024-12-06 05:04:42,432 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:04:42,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2024-12-06 05:04:42,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/c1b9ba22f/7e0969956e6c4a1f8676954d41f155fd/FLAG11853bf92 [2024-12-06 05:04:42,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/c1b9ba22f/7e0969956e6c4a1f8676954d41f155fd [2024-12-06 05:04:42,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:04:42,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:04:42,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:42,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:04:42,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:04:42,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232405cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42, skipping insertion in model container [2024-12-06 05:04:42,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:42,581 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_3246c245-8a5f-47ef-b248-62ba6c9f5b60/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-12-06 05:04:42,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:42,608 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:04:42,617 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_3246c245-8a5f-47ef-b248-62ba6c9f5b60/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-12-06 05:04:42,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:42,636 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:04:42,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42 WrapperNode [2024-12-06 05:04:42,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:42,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:42,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:04:42,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:04:42,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,661 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-12-06 05:04:42,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:42,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:04:42,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:04:42,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:04:42,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,672 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:04:42,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:04:42,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:04:42,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:04:42,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:04:42,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:04:42,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:04:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:04:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:04:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:04:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:04:42,778 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:04:42,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:04:42,882 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 05:04:42,882 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:04:42,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:04:42,923 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:04:42,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:42 BoogieIcfgContainer [2024-12-06 05:04:42,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:04:42,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:04:42,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:04:42,932 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:04:42,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:42" (1/1) ... [2024-12-06 05:04:42,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:04:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:04:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:04:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:04:42,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:42,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:04:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:43,043 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:43,088 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:43,108 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:04:43,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:04:43 ImpRootNode [2024-12-06 05:04:43,129 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:04:43,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:04:43,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:04:43,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:04:43,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:42" (3/4) ... [2024-12-06 05:04:43,132 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:04:43,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:04:43,133 INFO L158 Benchmark]: Toolchain (without parser) took 675.53ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 79.1MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:04:43,133 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:43,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.26ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 105.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:43,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.84ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:43,135 INFO L158 Benchmark]: Boogie Preprocessor took 17.95ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 103.0MB in the end (delta: 689.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:43,135 INFO L158 Benchmark]: RCFGBuilder took 243.29ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 90.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:43,135 INFO L158 Benchmark]: CodeCheck took 204.91ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 79.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:43,136 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 79.1MB in the end (delta: 267.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:43,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 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 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 51. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, r; [L51] d = 1. 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 FALSE !(\read(cond)) [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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.26ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 105.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.84ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.95ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 103.0MB in the end (delta: 689.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.29ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 90.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 204.91ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 79.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 79.1MB in the end (delta: 267.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:04:43,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:04:45,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:04:45,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:04:45,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:04:45,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:04:45,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:04:45,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:04:45,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:04:45,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:04:45,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:04:45,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:04:45,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:04:45,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:04:45,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:04:45,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:04:45,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:04:45,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:45,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:45,162 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:04:45,162 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_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736ab1a5e950f94d10703cde0979d12465a57eb1332dc067f0dbd06f88e9370a [2024-12-06 05:04:45,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:04:45,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:04:45,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:04:45,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:04:45,406 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:04:45,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2024-12-06 05:04:48,108 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/e68cdfe2b/1d11f364c61b4be88024d1bf1747f3d3/FLAGe5125d988 [2024-12-06 05:04:48,297 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:04:48,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2024-12-06 05:04:48,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/e68cdfe2b/1d11f364c61b4be88024d1bf1747f3d3/FLAGe5125d988 [2024-12-06 05:04:48,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/data/e68cdfe2b/1d11f364c61b4be88024d1bf1747f3d3 [2024-12-06 05:04:48,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:04:48,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:04:48,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:48,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:04:48,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:04:48,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46386e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48, skipping insertion in model container [2024-12-06 05:04:48,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:48,788 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_3246c245-8a5f-47ef-b248-62ba6c9f5b60/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-12-06 05:04:48,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:48,818 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:04:48,825 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_3246c245-8a5f-47ef-b248-62ba6c9f5b60/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c[831,844] [2024-12-06 05:04:48,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:48,843 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:04:48,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48 WrapperNode [2024-12-06 05:04:48,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:48,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:48,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:04:48,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:04:48,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,868 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-12-06 05:04:48,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:48,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:04:48,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:04:48,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:04:48,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:04:48,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:04:48,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:04:48,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:04:48,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:48,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:04:48,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:04:48,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:04:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:04:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:04:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:04:48,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:04:48,988 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:04:48,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:05:16,160 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-06 05:05:16,160 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:05:16,205 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:05:16,206 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:05:16,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:16 BoogieIcfgContainer [2024-12-06 05:05:16,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:05:16,207 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:05:16,207 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:05:16,213 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:05:16,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:05:16" (1/1) ... [2024-12-06 05:05:16,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:05:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:05:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:05:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:05:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:05:16,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:05:16,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:05:16,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:05:16,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:05:16,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:05:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:05:18,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:05:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:05:23,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 05:05:23,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:05:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:05:24,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:05:35,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:05:45,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:05:55,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:05,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:16,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:26,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:37,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:48,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:59,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:07:03,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:07:07,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:07:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2024-12-06 05:07:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2024-12-06 05:07:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:07:07,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:07,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:07,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:07,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:07,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:07:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:12,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:07:22,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:07:22,785 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:07:22,788 INFO L158 Benchmark]: Toolchain (without parser) took 154127.14ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 47.5MB in the end (delta: 22.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 05:07:22,788 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:07:22,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.90ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:07:22,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.89ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:07:22,789 INFO L158 Benchmark]: Boogie Preprocessor took 20.96ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:07:22,790 INFO L158 Benchmark]: RCFGBuilder took 27316.03ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 41.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:07:22,790 INFO L158 Benchmark]: CodeCheck took 126580.66ms. Allocated memory is still 92.3MB. Free memory was 41.6MB in the beginning and 47.5MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:07:22,792 INFO L338 ainManager$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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.90ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.89ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.96ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 27316.03ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 41.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 126580.66ms. Allocated memory is still 92.3MB. Free memory was 41.6MB in the beginning and 47.5MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:07:22,997 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 05:07:23,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3246c245-8a5f-47ef-b248-62ba6c9f5b60/bin/ukojak-verify-CZk0znPC7b/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