./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.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_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/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_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/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_0a75a6e9-657b-454b-8cc8-de038a43854c/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 aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:13,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:13,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:47:13,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:47:13,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:47:13,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:13,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:13,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:13,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:13,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:13,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:13,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:13,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:13,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:47:13,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:13,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:13,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:13,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:13,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:13,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:13,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:13,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:13,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:13,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:13,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:13,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:13,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:13,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:13,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:13,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:13,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:13,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:47:13,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:47:13,281 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_0a75a6e9-657b-454b-8cc8-de038a43854c/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 -> aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 [2024-11-13 22:47:13,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:13,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:13,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:13,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:13,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:13,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c Unable to find full path for "g++" [2024-11-13 22:47:15,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:15,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:15,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2024-11-13 22:47:15,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data/978070993/87ebf45fb09340cbb2e63c2693943113/FLAG33b8195a3 [2024-11-13 22:47:15,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data/978070993/87ebf45fb09340cbb2e63c2693943113 [2024-11-13 22:47:15,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:15,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:15,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:15,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:15,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:15,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:15" (1/1) ... [2024-11-13 22:47:15,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47393755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:15, skipping insertion in model container [2024-11-13 22:47:15,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:15" (1/1) ... [2024-11-13 22:47:15,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:16,075 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_0a75a6e9-657b-454b-8cc8-de038a43854c/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2024-11-13 22:47:16,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:16,088 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:16,136 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_0a75a6e9-657b-454b-8cc8-de038a43854c/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2024-11-13 22:47:16,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:16,151 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:16,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16 WrapperNode [2024-11-13 22:47:16,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:16,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:16,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:16,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:16,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,189 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2024-11-13 22:47:16,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:16,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:16,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:16,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:16,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:16,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:16,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:16,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:16,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:16" (1/1) ... [2024-11-13 22:47:16,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:16,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:16,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:16,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:47:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:47:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:47:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:47:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:47:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:47:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:47:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-13 22:47:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-13 22:47:16,459 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:16,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:16,884 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 22:47:16,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:17,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:47:17,057 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 22:47:17,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:17 BoogieIcfgContainer [2024-11-13 22:47:17,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:47:17,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:47:17,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:47:17,070 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:47:17,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:17" (1/1) ... [2024-11-13 22:47:17,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:47:17,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 22:47:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 22:47:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:47:17,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:17,299 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 22:47:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-13 22:47:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-13 22:47:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:47:17,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:17,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:17,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:47:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:17,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:47:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:47:17,532 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:47:17,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:47:17 ImpRootNode [2024-11-13 22:47:17,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:47:17,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:47:17,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:47:17,567 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:47:17,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:17" (3/4) ... [2024-11-13 22:47:17,570 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:47:17,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:47:17,573 INFO L158 Benchmark]: Toolchain (without parser) took 1733.00ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 81.4MB in the end (delta: 13.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 22:47:17,573 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 105.4MB in the end (delta: 209.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:17,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.53ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 81.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:17,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:17,574 INFO L158 Benchmark]: Boogie Preprocessor took 54.56ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:17,575 INFO L158 Benchmark]: RCFGBuilder took 813.22ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 49.7MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:47:17,575 INFO L158 Benchmark]: CodeCheck took 507.81ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 81.4MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:17,575 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:17,578 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 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 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, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 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, 0.1s 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: 175]: 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 someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 170. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L170] float x = -1.0f / 0.0f; [L171] CALL, EXPR __ieee754_acosf(x) [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L104] COND TRUE ix == 0x3f800000 [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [\result=0, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L171] RET, EXPR __ieee754_acosf(x) [L171] float res = __ieee754_acosf(x); [L174] CALL, EXPR isnan_float(res) [L15] return x != x; [L174] RET, EXPR isnan_float(res) [L174] COND TRUE !isnan_float(res) [L175] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 105.4MB in the end (delta: 209.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.53ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 81.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.56ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 813.22ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 49.7MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 507.81ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 81.4MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 81.4MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:47:17,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/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_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/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_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/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_0a75a6e9-657b-454b-8cc8-de038a43854c/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 aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:20,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:20,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:47:20,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:20,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:20,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:20,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:20,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:20,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:20,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:20,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:20,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:20,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:20,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:20,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:20,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:20,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:20,467 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:47:20,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:20,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:20,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:20,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:20,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:20,468 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:47:20,468 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:20,468 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:47:20,468 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_0a75a6e9-657b-454b-8cc8-de038a43854c/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 -> aabe5f83ee7488bedb0ef7448779dc0cc3c8445a9ad44e2182a59907c78d5b16 [2024-11-13 22:47:20,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:20,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:20,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:20,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:20,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:20,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0490b.c Unable to find full path for "g++" [2024-11-13 22:47:22,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:22,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:22,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c [2024-11-13 22:47:22,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data/e17d3061b/c79f95d614fb4a6990ffd0d8f9f99450/FLAG7dca824d5 [2024-11-13 22:47:23,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/data/e17d3061b/c79f95d614fb4a6990ffd0d8f9f99450 [2024-11-13 22:47:23,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:23,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:23,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:23,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:23,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:23,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c57180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23, skipping insertion in model container [2024-11-13 22:47:23,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:23,495 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_0a75a6e9-657b-454b-8cc8-de038a43854c/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2024-11-13 22:47:23,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:23,528 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:23,589 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_0a75a6e9-657b-454b-8cc8-de038a43854c/sv-benchmarks/c/float-newlib/float_req_bl_0490b.c[4371,4384] [2024-11-13 22:47:23,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:23,610 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:23,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23 WrapperNode [2024-11-13 22:47:23,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:23,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:23,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:23,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:23,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,681 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2024-11-13 22:47:23,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:23,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:23,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:23,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:23,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:23,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:23,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:23,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:23,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:23,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:23,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:23,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:47:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:47:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-13 22:47:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-13 22:47:23,929 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:23,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:48:04,109 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 22:48:04,109 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:48:04,212 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:48:04,212 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 22:48:04,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:04 BoogieIcfgContainer [2024-11-13 22:48:04,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:48:04,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:48:04,214 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:48:04,236 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:48:04,236 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:04" (1/1) ... [2024-11-13 22:48:04,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:48:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-13 22:48:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-13 22:48:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:48:04,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:04,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:04,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:48:04,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:48:04,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:48:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:04,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:48:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:04,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:48:04,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:48:04,970 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 22:48:04,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:48:15,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:15,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:15,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2024-11-13 22:48:15,739 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2024-11-13 22:48:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:48:15,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:15,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:15,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:48:15,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:48:15,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:48:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:17,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:48:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:17,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:48:17,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:48:17,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:48:17,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-13 22:48:17,838 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 22:48:17,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:48:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2024-11-13 22:48:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2024-11-13 22:48:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:48:19,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:19,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:19,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:48:19,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:48:19,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:48:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:20,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:48:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:21,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:48:21,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:48:22,400 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 22:48:22,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:48:37,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:48:47,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:48:58,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:49:08,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:49:15,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:49:19,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2024-11-13 22:49:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2024-11-13 22:49:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:49:19,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:19,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:49:19,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:49:19,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:49:19,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:49:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:22,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:49:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:22,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:49:22,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:49:22,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:49:22,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-13 22:49:22,584 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 22:49:22,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:49:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:24,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-13 22:49:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 22:49:24,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:49:24,299 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 22:49:24,304 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:49:24,794 INFO L77 FloydHoareUtils]: At program point __ieee754_acosf_returnLabel#1(lines 95 162) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (let ((.cse0 (let ((.cse1 (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (fp.sub currentRoundingMode .cse1 .cse1)))) (fp.div currentRoundingMode .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res#1|)) [2024-11-13 22:49:24,794 INFO L75 FloydHoareUtils]: For program point L139(line 139) no Hoare annotation was computed. [2024-11-13 22:49:24,794 INFO L75 FloydHoareUtils]: For program point L139-1(line 139) no Hoare annotation was computed. [2024-11-13 22:49:24,794 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 164 180) the Hoare annotation is: true [2024-11-13 22:49:24,794 INFO L77 FloydHoareUtils]: At program point L98-1(lines 98 102) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) [2024-11-13 22:49:24,794 INFO L77 FloydHoareUtils]: At program point L98-2(lines 98 102) the Hoare annotation is: (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) [2024-11-13 22:49:24,795 INFO L77 FloydHoareUtils]: At program point L98-3(lines 98 102) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L132(line 132) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L132-1(line 132) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L124(lines 124 161) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L112(lines 112 161) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L77 FloydHoareUtils]: At program point L174(lines 174 177) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret13#1|) [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:49:24,795 INFO L77 FloydHoareUtils]: At program point L104(lines 104 111) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))))) [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L146(lines 146 150) no Hoare annotation was computed. [2024-11-13 22:49:24,795 INFO L75 FloydHoareUtils]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L175(line 175) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L77 FloydHoareUtils]: At program point L109(lines 109 111) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))))) [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L31(lines 31 32) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L40(lines 40 44) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L36(lines 36 37) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point __ieee754_sqrtfFINAL(lines 19 84) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point __ieee754_sqrtfEXIT(lines 19 84) no Hoare annotation was computed. [2024-11-13 22:49:24,796 INFO L75 FloydHoareUtils]: For program point $Ultimate##0(lines 19 84) no Hoare annotation was computed. [2024-11-13 22:49:24,797 INFO L75 FloydHoareUtils]: For program point L34(lines 34 35) no Hoare annotation was computed. [2024-11-13 22:49:24,797 INFO L75 FloydHoareUtils]: For program point L55-2(lines 55 64) no Hoare annotation was computed. [2024-11-13 22:49:24,804 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 22:49:24,805 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 22:49:24,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:49:24 ImpRootNode [2024-11-13 22:49:24,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:49:24,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:49:24,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:49:24,811 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:49:24,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:04" (3/4) ... [2024-11-13 22:49:24,814 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:49:24,817 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2024-11-13 22:49:24,821 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-13 22:49:24,821 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 22:49:24,821 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:49:24,822 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:49:24,904 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:49:24,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:49:24,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:49:24,906 INFO L158 Benchmark]: Toolchain (without parser) took 121642.28ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 45.9MB in the end (delta: 46.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-13 22:49:24,906 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:24,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.81ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:24,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.37ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:24,907 INFO L158 Benchmark]: Boogie Preprocessor took 39.99ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:24,908 INFO L158 Benchmark]: RCFGBuilder took 40489.95ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 45.9MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:49:24,911 INFO L158 Benchmark]: CodeCheck took 80596.50ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 52.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:24,912 INFO L158 Benchmark]: Witness Printer took 94.70ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 45.9MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:49:24,914 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 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 80.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 152.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 146.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 51 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 252 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 9 QuantifiedInterpolants, 251 SizeOfPredicates, 11 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 175]: 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 - ProcedureContractResult [Line: 19]: Procedure Contract for __ieee754_sqrtf Derived contract for procedure __ieee754_sqrtf. Ensures: ((((((((((((((((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt))) && (one_acos == \old(one_acos))) && (pi == \old(pi))) && (pio2_hi_acos == \old(pio2_hi_acos))) && (pio2_lo_acos == \old(pio2_lo_acos))) && (pS0_acos == \old(pS0_acos))) && (pS1_acos == \old(pS1_acos))) && (pS2_acos == \old(pS2_acos))) && (pS3_acos == \old(pS3_acos))) && (pS4_acos == \old(pS4_acos))) && (pS5_acos == \old(pS5_acos))) && (qS1_acos == \old(qS1_acos))) && (qS2_acos == \old(qS2_acos))) && (qS3_acos == \old(qS3_acos))) && (qS4_acos == \old(qS4_acos))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.81ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.37ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.99ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 40489.95ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 45.9MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 80596.50ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 52.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 94.70ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 45.9MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. 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: Unknown variable: currentRoundingMode RESULT: Ultimate proved your program to be correct! [2024-11-13 22:49:25,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a75a6e9-657b-454b-8cc8-de038a43854c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE