./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:17:20,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:17:20,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:17:20,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:17:20,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:17:20,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:17:20,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:17:20,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:17:20,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:17:20,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:17:20,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:17:20,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:17:20,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:17:20,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:17:20,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:17:20,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:17:20,864 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:17:20,864 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:17:20,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:17:20,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:20,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:17:20,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:17:20,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:17:20,865 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:17:20,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:17:20,865 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_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2024-11-13 21:17:21,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:17:21,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:17:21,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:17:21,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:17:21,239 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:17:21,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c Unable to find full path for "g++" [2024-11-13 21:17:23,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:17:23,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:17:23,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2024-11-13 21:17:23,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data/fef317a0e/254e4429661c4bf2aa28605f1160a172/FLAG4c0004657 [2024-11-13 21:17:23,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data/fef317a0e/254e4429661c4bf2aa28605f1160a172 [2024-11-13 21:17:23,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:17:23,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:17:23,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:23,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:17:23,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:17:23,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:23" (1/1) ... [2024-11-13 21:17:23,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de5ddf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:23, skipping insertion in model container [2024-11-13 21:17:23,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:23" (1/1) ... [2024-11-13 21:17:23,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:17:24,054 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_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2024-11-13 21:17:24,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:24,068 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:17:24,135 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_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2024-11-13 21:17:24,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:24,162 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:17:24,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24 WrapperNode [2024-11-13 21:17:24,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:24,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:24,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:17:24,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:17:24,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,241 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 301 [2024-11-13 21:17:24,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:24,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:17:24,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:17:24,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:17:24,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:17:24,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:17:24,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:17:24,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:17:24,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:24" (1/1) ... [2024-11-13 21:17:24,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:24,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:17:24,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:17:24,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:17:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:17:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:17:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:17:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 21:17:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:17:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 21:17:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:17:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:17:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:17:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:17:24,498 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:17:24,500 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:17:25,227 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 21:17:25,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:17:25,800 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:17:25,802 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 21:17:25,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:25 BoogieIcfgContainer [2024-11-13 21:17:25,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:17:25,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:17:25,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:17:25,816 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:17:25,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:25" (1/1) ... [2024-11-13 21:17:25,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:17:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-13 21:17:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-13 21:17:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:25,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:25,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 21:17:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 21:17:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:17:26,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:26,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:26,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:17:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:26,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:17:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:26,426 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:17:26,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:17:26 ImpRootNode [2024-11-13 21:17:26,464 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:17:26,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:17:26,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:17:26,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:17:26,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:25" (3/4) ... [2024-11-13 21:17:26,469 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:17:26,470 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:17:26,471 INFO L158 Benchmark]: Toolchain (without parser) took 2732.22ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 75.2MB in the end (delta: 17.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-13 21:17:26,474 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:26,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.44ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 79.5MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:17:26,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.38ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:26,475 INFO L158 Benchmark]: Boogie Preprocessor took 70.48ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:26,476 INFO L158 Benchmark]: RCFGBuilder took 1485.90ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 39.8MB in the end (delta: 35.4MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-13 21:17:26,476 INFO L158 Benchmark]: CodeCheck took 660.31ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 76.0MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:26,477 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.2MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:26,479 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 147]: 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 141, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L141] double x = 0.0 / 0.0; [L143] CALL, EXPR __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] ieee_double_shape_type ew_u; [L32] ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] (ix1) = ew_u.parts.lsw [L37] EXPR ix0 & 0x7ff00000 VAL [ix0=2146435073, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [ix0=2146435073, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L143] RET, EXPR __ieee754_sqrt(x) [L143] double res = __ieee754_sqrt(x); [L146] CALL, EXPR isnan_double(res) [L20] return x != x; [L146] RET, EXPR isnan_double(res) [L146] COND TRUE !isnan_double(res) [L147] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.44ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 79.5MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.38ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.48ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1485.90ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 39.8MB in the end (delta: 35.4MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * CodeCheck took 660.31ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 76.0MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.2MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:17:26,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:17:29,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:17:29,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:17:29,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:17:29,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:17:29,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:17:29,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:17:29,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:17:29,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:17:29,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:17:29,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:17:29,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:17:29,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:17:29,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:17:29,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:17:29,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:17:29,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:17:29,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:17:29,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:17:29,707 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:29,707 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:17:29,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:17:29,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:29,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:17:29,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:17:29,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:17:29,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:17:29,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:29,708 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:17:29,708 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_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2024-11-13 21:17:30,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:17:30,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:17:30,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:17:30,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:17:30,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:17:30,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c Unable to find full path for "g++" [2024-11-13 21:17:32,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:17:32,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:17:32,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2024-11-13 21:17:32,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data/38f17184b/1b44cd1631c94175b0ecdb0102f6304d/FLAGd489857b7 [2024-11-13 21:17:32,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/data/38f17184b/1b44cd1631c94175b0ecdb0102f6304d [2024-11-13 21:17:32,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:17:32,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:17:32,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:32,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:17:32,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:17:32,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:32,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4762350d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32, skipping insertion in model container [2024-11-13 21:17:32,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:32,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:17:32,901 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_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2024-11-13 21:17:32,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:32,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:17:32,975 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_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2024-11-13 21:17:32,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:32,998 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:17:32,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32 WrapperNode [2024-11-13 21:17:32,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:33,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:33,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:17:33,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:17:33,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,044 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 158 [2024-11-13 21:17:33,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:33,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:17:33,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:17:33,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:17:33,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:17:33,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:17:33,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:17:33,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:17:33,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:32" (1/1) ... [2024-11-13 21:17:33,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:33,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:17:33,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:17:33,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:17:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:17:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 21:17:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 21:17:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:17:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:17:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:17:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:17:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:17:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:17:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:17:33,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:17:33,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:17:46,791 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-13 21:17:46,791 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:17:47,006 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:17:47,007 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 21:17:47,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:47 BoogieIcfgContainer [2024-11-13 21:17:47,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:17:47,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:17:47,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:17:47,021 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:17:47,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:47" (1/1) ... [2024-11-13 21:17:47,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:17:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:47,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-13 21:17:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-13 21:17:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:17:47,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:47,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:47,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:47,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:47,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:17:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:47,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:47,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:17:47,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:47,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:17:47,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2024-11-13 21:17:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-11-13 21:17:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:47,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:47,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:47,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:47,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:47,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:17:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:48,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:48,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:17:48,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:48,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:17:50,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:53,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:55,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:17:57,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:00,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:07,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:11,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-13 21:18:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-13 21:18:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:18:11,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:11,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:11,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:11,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:11,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:18:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:11,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:11,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:18:11,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:12,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:12,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:18:16,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:18,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-13 21:18:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 21:18:18,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:18:18,616 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 21:18:18,625 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:18:18,901 INFO L75 FloydHoareUtils]: For program point L44(lines 44 45) no Hoare annotation was computed. [2024-11-13 21:18:18,901 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 134 152) the Hoare annotation is: true [2024-11-13 21:18:18,902 INFO L75 FloydHoareUtils]: For program point L87-2(lines 87 103) no Hoare annotation was computed. [2024-11-13 21:18:18,902 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:18:18,902 INFO L77 FloydHoareUtils]: At program point L30-1(lines 30 35) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start___ieee754_sqrt_~x#1|)) [2024-11-13 21:18:18,902 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 35) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start___ieee754_sqrt_~x#1|))) [2024-11-13 21:18:18,903 INFO L77 FloydHoareUtils]: At program point L30-3(lines 24 132) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start___ieee754_sqrt_~x#1|)) [2024-11-13 21:18:18,903 INFO L75 FloydHoareUtils]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2024-11-13 21:18:18,903 INFO L77 FloydHoareUtils]: At program point L146(lines 146 149) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret9#1|) [2024-11-13 21:18:18,903 INFO L75 FloydHoareUtils]: For program point L147(line 147) no Hoare annotation was computed. [2024-11-13 21:18:18,903 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2024-11-13 21:18:18,903 INFO L75 FloydHoareUtils]: For program point L49(lines 49 60) no Hoare annotation was computed. [2024-11-13 21:18:18,903 INFO L75 FloydHoareUtils]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2024-11-13 21:18:18,903 INFO L75 FloydHoareUtils]: For program point L41(lines 41 46) no Hoare annotation was computed. [2024-11-13 21:18:18,904 INFO L75 FloydHoareUtils]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2024-11-13 21:18:18,904 INFO L75 FloydHoareUtils]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2024-11-13 21:18:18,904 INFO L77 FloydHoareUtils]: At program point __ieee754_sqrt_returnLabel#1(lines 24 132) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (let ((.cse0 (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) (fp.add currentRoundingMode (fp.mul currentRoundingMode .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res#1|)) [2024-11-13 21:18:18,904 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:18:18,904 INFO L75 FloydHoareUtils]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2024-11-13 21:18:18,904 INFO L75 FloydHoareUtils]: For program point L42(lines 42 45) no Hoare annotation was computed. [2024-11-13 21:18:18,904 INFO L75 FloydHoareUtils]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2024-11-13 21:18:18,905 INFO L75 FloydHoareUtils]: For program point L125-2(lines 125 130) no Hoare annotation was computed. [2024-11-13 21:18:18,905 INFO L75 FloydHoareUtils]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2024-11-13 21:18:18,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:18:18,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:18:18,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:18:18 ImpRootNode [2024-11-13 21:18:18,918 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:18:18,919 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:18:18,919 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:18:18,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:18:18,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:47" (3/4) ... [2024-11-13 21:18:18,923 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:18:18,931 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-13 21:18:18,933 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 21:18:18,933 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:18:18,934 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:18:19,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:18:19,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:18:19,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:18:19,044 INFO L158 Benchmark]: Toolchain (without parser) took 46460.90ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 42.4MB in the end (delta: 18.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-13 21:18:19,045 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:19,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.56ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 46.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:18:19,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.08ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 44.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:19,046 INFO L158 Benchmark]: Boogie Preprocessor took 38.02ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:19,047 INFO L158 Benchmark]: RCFGBuilder took 13924.63ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 38.9MB in the end (delta: 4.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-13 21:18:19,047 INFO L158 Benchmark]: CodeCheck took 31909.75ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 48.6MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:19,048 INFO L158 Benchmark]: Witness Printer took 124.15ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 42.4MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:19,049 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 48.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 46.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 41 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 4 QuantifiedInterpolants, 120 SizeOfPredicates, 4 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - PositiveResult [Line: 147]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (0 == ((sign + -2147483648) % 4294967296)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.56ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 46.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.08ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 44.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.02ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 13924.63ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 38.9MB in the end (delta: 4.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * CodeCheck took 31909.75ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 48.6MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.15ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 42.4MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-13 21:18:19,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6012b95-c4d2-4cd8-b06b-ccf264cd65d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE