./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0831.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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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 ae08d3dbde40e32197902417be767e9b8a44048ec2abbe937f73d3dc278c75f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:52:22,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:52:22,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:52:22,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:52:22,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:52:22,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:52:23,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:52:23,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:52:23,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:52:23,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:52:23,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:52:23,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:52:23,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:52:23,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:52:23,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:52:23,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:52:23,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:52:23,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:52:23,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:52:23,005 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:52:23,005 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:52:23,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:52:23,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:52:23,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:52:23,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:52:23,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:52:23,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:52:23,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:23,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:52:23,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:52:23,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:52:23,007 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:52:23,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:52:23,007 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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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 -> ae08d3dbde40e32197902417be767e9b8a44048ec2abbe937f73d3dc278c75f1 [2024-11-13 21:52:23,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:52:23,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:52:23,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:52:23,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:52:23,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:52:23,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0831.c Unable to find full path for "g++" [2024-11-13 21:52:25,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:52:25,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:52:25,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2024-11-13 21:52:26,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data/3b214979f/5e6575bed4264833ba26147454b6b848/FLAG7e3c3b0a3 [2024-11-13 21:52:26,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data/3b214979f/5e6575bed4264833ba26147454b6b848 [2024-11-13 21:52:26,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:52:26,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:52:26,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:26,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:52:26,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:52:26,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436c24da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26, skipping insertion in model container [2024-11-13 21:52:26,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:52:26,356 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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/sv-benchmarks/c/float-newlib/float_req_bl_0831.c[3205,3218] [2024-11-13 21:52:26,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:26,379 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:52:26,424 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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/sv-benchmarks/c/float-newlib/float_req_bl_0831.c[3205,3218] [2024-11-13 21:52:26,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:26,450 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:52:26,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26 WrapperNode [2024-11-13 21:52:26,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:26,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:26,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:52:26,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:52:26,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,490 INFO L138 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 165 [2024-11-13 21:52:26,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:26,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:52:26,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:52:26,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:52:26,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:52:26,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:52:26,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:52:26,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:52:26,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:26" (1/1) ... [2024-11-13 21:52:26,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:26,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:52:26,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:52:26,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:52:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:52:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:52:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 21:52:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:52:26,754 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:52:26,757 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:52:27,146 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 21:52:27,146 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:52:27,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:52:27,256 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-13 21:52:27,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:27 BoogieIcfgContainer [2024-11-13 21:52:27,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:52:27,260 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:52:27,260 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:52:27,274 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:52:27,274 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:27" (1/1) ... [2024-11-13 21:52:27,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:52:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-11-13 21:52:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-13 21:52:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:52:27,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:27,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:27,585 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 21:52:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 21:52:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 21:52:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:52:27,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:27,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:27,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:52:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:27,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:52:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:52:28,067 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:52:28,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:52:28 ImpRootNode [2024-11-13 21:52:28,101 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:52:28,102 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:52:28,102 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:52:28,103 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:52:28,103 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:27" (3/4) ... [2024-11-13 21:52:28,106 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:52:28,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:52:28,109 INFO L158 Benchmark]: Toolchain (without parser) took 2061.51ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 88.8MB in the end (delta: 4.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-13 21:52:28,109 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:28,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.94ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.2MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:52:28,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.13ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:52:28,111 INFO L158 Benchmark]: Boogie Preprocessor took 37.15ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:28,112 INFO L158 Benchmark]: RCFGBuilder took 729.99ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 59.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:52:28,112 INFO L158 Benchmark]: CodeCheck took 841.60ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 88.8MB in the end (delta: -29.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-13 21:52:28,113 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 88.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:28,116 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 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, 0.1s 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: 123]: 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 21, overapproximation of someBinaryArithmeticFLOAToperation at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 118. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L118] float x = 0.0f / 0.0f; [L119] CALL, EXPR __ieee754_expf(x) [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2139095041, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2, xsb=0] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2139095041, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2, xsb=0] [L119] RET, EXPR __ieee754_expf(x) [L119] float res = __ieee754_expf(x); [L122] CALL, EXPR isnan_float(res) [L15] return x != x; [L122] RET, EXPR isnan_float(res) [L122] COND TRUE !isnan_float(res) [L123] reach_error() VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.94ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.2MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.13ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.15ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 729.99ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 59.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 841.60ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 88.8MB in the end (delta: -29.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 88.8MB in the end (delta: 21.1kB). 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 21:52:28,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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 ae08d3dbde40e32197902417be767e9b8a44048ec2abbe937f73d3dc278c75f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:52:31,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:52:31,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:52:31,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:52:31,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:52:31,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:52:31,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:52:31,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:52:31,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:52:31,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:52:31,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:52:31,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:52:31,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:52:31,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:52:31,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:52:31,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:52:31,602 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:52:31,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:52:31,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:52:31,603 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:31,603 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:52:31,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:52:31,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:31,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:52:31,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:52:31,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:52:31,604 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:52:31,604 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:52:31,604 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:52:31,604 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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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 -> ae08d3dbde40e32197902417be767e9b8a44048ec2abbe937f73d3dc278c75f1 [2024-11-13 21:52:31,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:52:32,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:52:32,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:52:32,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:52:32,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:52:32,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0831.c Unable to find full path for "g++" [2024-11-13 21:52:34,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:52:34,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:52:34,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2024-11-13 21:52:34,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data/a407b4fe3/ae4bd21f32494c73b08c1a54fff80993/FLAG7b6fb962d [2024-11-13 21:52:34,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/data/a407b4fe3/ae4bd21f32494c73b08c1a54fff80993 [2024-11-13 21:52:34,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:52:34,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:52:34,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:34,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:52:34,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:52:34,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:34" (1/1) ... [2024-11-13 21:52:34,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d357e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:34, skipping insertion in model container [2024-11-13 21:52:34,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:34" (1/1) ... [2024-11-13 21:52:34,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:52:35,282 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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/sv-benchmarks/c/float-newlib/float_req_bl_0831.c[3205,3218] [2024-11-13 21:52:35,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:35,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:52:35,382 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_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/sv-benchmarks/c/float-newlib/float_req_bl_0831.c[3205,3218] [2024-11-13 21:52:35,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:35,416 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:52:35,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35 WrapperNode [2024-11-13 21:52:35,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:35,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:35,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:52:35,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:52:35,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,491 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 165 [2024-11-13 21:52:35,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:35,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:52:35,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:52:35,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:52:35,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:52:35,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:52:35,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:52:35,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:52:35,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:35" (1/1) ... [2024-11-13 21:52:35,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:35,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:52:35,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:52:35,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:52:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:52:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:52:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:52:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:52:35,777 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:52:35,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:09,797 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:09,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:09,945 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:09,949 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-13 21:53:09,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:09 BoogieIcfgContainer [2024-11-13 21:53:09,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:09,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:09,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:09,965 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:09,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:09" (1/1) ... [2024-11-13 21:53:09,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-11-13 21:53:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-13 21:53:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:53:10,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:10,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:10,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:10,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:53:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:10,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:10,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:53:10,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:10,829 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 21:53:10,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 21:53:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 21:53:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:53:10,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:10,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:10,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:10,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:10,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:53:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:12,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:12,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:53:12,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:12,700 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 21:53:12,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:53:18,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:53:28,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:53:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-11-13 21:53:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-11-13 21:53:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:53:32,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:32,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:32,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:32,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:53:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:33,876 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:33,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:53:33,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:34,062 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:53:34,064 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-11-13 21:53:34,557 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 21:53:34,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:53:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:38,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-13 21:53:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-13 21:53:38,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:53:38,496 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 21:53:38,509 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:53:38,773 INFO L75 FloydHoareUtils]: For program point L60(lines 60 75) no Hoare annotation was computed. [2024-11-13 21:53:38,773 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 113 128) the Hoare annotation is: true [2024-11-13 21:53:38,773 INFO L75 FloydHoareUtils]: For program point L53(lines 53 54) no Hoare annotation was computed. [2024-11-13 21:53:38,773 INFO L75 FloydHoareUtils]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2024-11-13 21:53:38,773 INFO L75 FloydHoareUtils]: For program point L86-2(lines 86 90) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L77 FloydHoareUtils]: At program point __ieee754_expf_returnLabel#1(lines 38 111) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (fp.add currentRoundingMode .cse0 .cse0)) |ULTIMATE.start___ieee754_expf_#res#1|)) [2024-11-13 21:53:38,774 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:53:38,774 INFO L75 FloydHoareUtils]: For program point L104(lines 104 108) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L75 FloydHoareUtils]: For program point L104-1(lines 104 108) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L75 FloydHoareUtils]: For program point L104-2(lines 104 108) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L75 FloydHoareUtils]: For program point L55(lines 55 56) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L75 FloydHoareUtils]: For program point L80(lines 80 83) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L75 FloydHoareUtils]: For program point L72(lines 72 75) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L75 FloydHoareUtils]: For program point L72-2(lines 60 75) no Hoare annotation was computed. [2024-11-13 21:53:38,774 INFO L77 FloydHoareUtils]: At program point L122(lines 122 125) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret15#1|) [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L73(lines 73 74) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L123(line 123) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L57(lines 57 58) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L91(lines 91 95) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2024-11-13 21:53:38,775 INFO L75 FloydHoareUtils]: For program point L91-2(lines 91 95) no Hoare annotation was computed. [2024-11-13 21:53:38,776 INFO L75 FloydHoareUtils]: For program point L84(lines 84 110) no Hoare annotation was computed. [2024-11-13 21:53:38,776 INFO L77 FloydHoareUtils]: At program point L51(lines 51 52) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_expf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (exists ((|ULTIMATE.start___ieee754_expf_~sx~0#1| (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (= |ULTIMATE.start___ieee754_expf_~hx~0#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_expf_~sx~0#1|))))) [2024-11-13 21:53:38,776 INFO L77 FloydHoareUtils]: At program point L43-1(lines 43 47) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (= |ULTIMATE.start___ieee754_expf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) [2024-11-13 21:53:38,776 INFO L77 FloydHoareUtils]: At program point L43-2(lines 43 47) the Hoare annotation is: (= |ULTIMATE.start___ieee754_expf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) [2024-11-13 21:53:38,776 INFO L77 FloydHoareUtils]: At program point L43-3(lines 43 47) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (= |ULTIMATE.start___ieee754_expf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) [2024-11-13 21:53:38,786 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 21:53:38,788 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:53:38,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:53:38 ImpRootNode [2024-11-13 21:53:38,790 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:53:38,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:53:38,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:53:38,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:53:38,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:09" (3/4) ... [2024-11-13 21:53:38,795 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:53:38,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-13 21:53:38,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 21:53:38,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:53:38,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:53:38,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:53:38,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:53:38,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:53:38,908 INFO L158 Benchmark]: Toolchain (without parser) took 63959.17ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 28.2MB in the end (delta: 32.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:38,908 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:38,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.16ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 46.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:38,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:38,909 INFO L158 Benchmark]: Boogie Preprocessor took 57.89ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 43.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:38,910 INFO L158 Benchmark]: RCFGBuilder took 34397.09ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 58.0MB in the end (delta: -14.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-13 21:53:38,910 INFO L158 Benchmark]: CodeCheck took 28838.68ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 33.5MB in the end (delta: 24.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:38,910 INFO L158 Benchmark]: Witness Printer took 116.02ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 28.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:38,913 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 41.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 39.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 57 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 5 QuantifiedInterpolants, 122 SizeOfPredicates, 6 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 13 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: 123]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.16ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 46.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 45.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.89ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 43.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 34397.09ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 58.0MB in the end (delta: -14.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * CodeCheck took 28838.68ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 33.5MB in the end (delta: 24.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Witness Printer took 116.02ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 28.2MB in the end (delta: 5.3MB). 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: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-13 21:53:39,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6b8603-78f3-4ba3-8f64-851e9c8c5e7e/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