./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:06:12,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:06:12,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:06:12,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:06:12,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:06:12,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:06:12,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:06:12,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:06:12,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:06:12,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:06:12,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:06:12,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:06:12,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:06:12,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:06:12,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:06:12,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:06:12,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:06:12,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:06:12,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:06:12,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:06:12,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:06:12,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:06:12,649 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:06:12,650 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:06:12,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:06:12,651 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:06:12,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:06:12,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:12,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:06:12,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:06:12,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:06:12,653 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:06:12,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:06:12,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c [2024-11-09 00:06:12,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:06:12,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:06:12,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:06:12,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:06:12,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:06:12,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c Unable to find full path for "g++" [2024-11-09 00:06:15,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:06:15,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:06:15,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2024-11-09 00:06:15,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data/da52c1029/38158b73df2243ee8f83ecdd32f1dd0f/FLAG68ec19156 [2024-11-09 00:06:15,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data/da52c1029/38158b73df2243ee8f83ecdd32f1dd0f [2024-11-09 00:06:15,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:06:15,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:06:15,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:15,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:06:15,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:06:15,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25620af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15, skipping insertion in model container [2024-11-09 00:06:15,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:06:15,663 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_969ccc9d-0243-4468-bfed-50d2e5e3ac24/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c[4186,4199] [2024-11-09 00:06:15,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:15,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:06:15,743 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_969ccc9d-0243-4468-bfed-50d2e5e3ac24/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c[4186,4199] [2024-11-09 00:06:15,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:15,766 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:06:15,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15 WrapperNode [2024-11-09 00:06:15,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:15,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:15,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:06:15,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:06:15,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,828 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 260 [2024-11-09 00:06:15,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:15,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:06:15,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:06:15,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:06:15,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:06:15,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:06:15,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:06:15,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:06:15,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:15" (1/1) ... [2024-11-09 00:06:15,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:15,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:06:15,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:06:15,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:06:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:06:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:06:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:06:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 00:06:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:06:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 00:06:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:06:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:06:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:06:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:06:16,042 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:06:16,045 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:06:16,470 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-09 00:06:16,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:06:16,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:06:16,684 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-09 00:06:16,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:16 BoogieIcfgContainer [2024-11-09 00:06:16,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:06:16,686 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:06:16,686 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:06:16,696 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:06:16,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:16" (1/1) ... [2024-11-09 00:06:16,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:06:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-09 00:06:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-09 00:06:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:06:16,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-11-09 00:06:16,944 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-11-09 00:06:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:06:16,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:16,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:06:17,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:06:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:06:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:06:17,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:06:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:06:17,269 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:06:17,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:06:17 ImpRootNode [2024-11-09 00:06:17,309 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:06:17,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:06:17,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:06:17,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:06:17,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:16" (3/4) ... [2024-11-09 00:06:17,314 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:06:17,315 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:06:17,316 INFO L158 Benchmark]: Toolchain (without parser) took 1957.82ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 91.5MB in the end (delta: 28.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-09 00:06:17,317 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:06:17,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.92ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 104.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:06:17,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.88ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 102.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:06:17,320 INFO L158 Benchmark]: Boogie Preprocessor took 42.47ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:06:17,321 INFO L158 Benchmark]: RCFGBuilder took 812.41ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 117.9MB in the end (delta: -18.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-11-09 00:06:17,324 INFO L158 Benchmark]: CodeCheck took 623.11ms. Allocated memory is still 157.3MB. Free memory was 117.9MB in the beginning and 92.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:06:17,324 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 157.3MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:06:17,329 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 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, 14 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 168]: 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 someUnaryFLOAToperation at line 163, overapproximation of someBinaryArithmeticFLOAToperation at line 118. Possible FailurePath: [L13-L17] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L19] static const float zero_log = 0.0; [L99-L102] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L104] static const float zero = 0.0; [L163] float x = -0.0f; [L164] CALL, EXPR __ieee754_log10f(x) [L107] float y, z; [L108] __int32_t i, k, hx; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, zero=0, zero_log=0] [L111] ieee_float_shape_type gf_u; [L112] gf_u.value = (x) [L113] EXPR gf_u.word [L113] (hx) = gf_u.word [L116] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, hx=0, ivln10_log10=43429449201/100000000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=2, zero=0, zero_log=0] [L117] COND TRUE ((hx & 0x7fffffff) == 0) [L118] return -two25_log10 / zero; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=2, zero=0, zero_log=0] [L164] RET, EXPR __ieee754_log10f(x) [L164] float res = __ieee754_log10f(x); [L167] CALL, EXPR isinf_float(res) [L147] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=3, zero=0, zero_log=0] [L149] ieee_float_shape_type gf_u; [L150] gf_u.value = (x) [L151] EXPR gf_u.word [L151] (ix) = gf_u.word [L153] ix &= 0x7fffffff [L154] return ((ix) == 0x7f800000L); [L167] RET, EXPR isinf_float(res) [L167] COND TRUE !isinf_float(res) [L168] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, zero=0, zero_log=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.92ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 104.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.88ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 102.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.47ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.41ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 117.9MB in the end (delta: -18.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * CodeCheck took 623.11ms. Allocated memory is still 157.3MB. Free memory was 117.9MB in the beginning and 92.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 157.3MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:06:17,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:06:20,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:06:20,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:06:20,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:06:20,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:06:20,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:06:20,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:06:20,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:06:20,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:06:20,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:06:20,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:06:20,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:06:20,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:06:20,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:06:20,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:06:20,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:06:20,206 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:06:20,206 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:06:20,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:06:20,207 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:06:20,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:06:20,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:06:20,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:06:20,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:06:20,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:06:20,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:06:20,211 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:20,211 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:06:20,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:06:20,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:20,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:06:20,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:06:20,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:06:20,213 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:06:20,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:20,214 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:06:20,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c [2024-11-09 00:06:20,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:06:20,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:06:20,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:06:20,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:06:20,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:06:20,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c Unable to find full path for "g++" [2024-11-09 00:06:23,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:06:23,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:06:23,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2024-11-09 00:06:23,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data/8a3479cd2/d9166ce8951746f58f817f1b61f1ea15/FLAG6f2d12b61 [2024-11-09 00:06:23,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/data/8a3479cd2/d9166ce8951746f58f817f1b61f1ea15 [2024-11-09 00:06:23,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:06:23,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:06:23,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:23,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:06:23,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:06:23,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c51ab3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23, skipping insertion in model container [2024-11-09 00:06:23,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:06:23,648 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_969ccc9d-0243-4468-bfed-50d2e5e3ac24/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c[4186,4199] [2024-11-09 00:06:23,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:23,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:06:23,809 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_969ccc9d-0243-4468-bfed-50d2e5e3ac24/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c[4186,4199] [2024-11-09 00:06:23,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:23,843 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:06:23,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23 WrapperNode [2024-11-09 00:06:23,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:23,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:23,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:06:23,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:06:23,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,927 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 218 [2024-11-09 00:06:23,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:23,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:06:23,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:06:23,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:06:23,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:23,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:24,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:24,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:24,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:24,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:06:24,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:06:24,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:06:24,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:06:24,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:23" (1/1) ... [2024-11-09 00:06:24,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:24,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:06:24,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:06:24,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:06:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:06:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:06:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:06:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 00:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:06:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 00:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:06:24,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:06:24,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:07:21,887 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-09 00:07:21,888 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:07:22,007 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:07:22,007 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-09 00:07:22,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:22 BoogieIcfgContainer [2024-11-09 00:07:22,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:07:22,010 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:07:22,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:07:22,022 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:07:22,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:22" (1/1) ... [2024-11-09 00:07:22,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:07:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-09 00:07:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-09 00:07:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:07:22,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:22,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:22,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:22,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:22,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:07:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:22,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:22,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:07:22,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:22,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:07:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-11-09 00:07:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-11-09 00:07:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:07:22,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:22,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:22,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:22,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:22,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:07:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:24,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:25,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:07:25,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:25,889 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 [2024-11-09 00:07:25,914 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 39 treesize of output 23 [2024-11-09 00:07:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:26,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:07:39,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:07:49,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:07:51,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:07:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 62 transitions. [2024-11-09 00:07:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-09 00:07:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:07:53,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:53,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:53,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:53,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:53,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:07:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:55,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:55,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:07:55,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:55,709 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 [2024-11-09 00:07:55,727 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 30 treesize of output 14 [2024-11-09 00:07:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:56,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:08:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-11-09 00:08:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-09 00:08:00,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:08:00,030 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-09 00:08:00,043 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:08:00,543 INFO L75 FloydHoareUtils]: For program point L126-1(lines 126 130) no Hoare annotation was computed. [2024-11-09 00:08:00,544 INFO L75 FloydHoareUtils]: For program point L126-2(lines 126 130) no Hoare annotation was computed. [2024-11-09 00:08:00,544 INFO L77 FloydHoareUtils]: At program point L110-1(lines 110 114) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_log10f_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_log10f_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_log10f_~hx~0#1|)) (fp.neg (_ +zero 8 24))) (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)))) [2024-11-09 00:08:00,544 INFO L77 FloydHoareUtils]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= (fp.neg (_ +zero 8 24)) |ULTIMATE.start___ieee754_log10f_~x#1|)) [2024-11-09 00:08:00,545 INFO L77 FloydHoareUtils]: At program point L110-3(lines 110 114) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_log10f_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_log10f_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_log10f_~hx~0#1|)) (fp.neg (_ +zero 8 24))) (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)))) [2024-11-09 00:08:00,545 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 157 173) the Hoare annotation is: true [2024-11-09 00:08:00,545 INFO L75 FloydHoareUtils]: For program point L168(line 168) no Hoare annotation was computed. [2024-11-09 00:08:00,546 INFO L75 FloydHoareUtils]: For program point L36(lines 36 37) no Hoare annotation was computed. [2024-11-09 00:08:00,546 INFO L75 FloydHoareUtils]: For program point L119(lines 119 120) no Hoare annotation was computed. [2024-11-09 00:08:00,546 INFO L75 FloydHoareUtils]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2024-11-09 00:08:00,546 INFO L75 FloydHoareUtils]: For program point L136-2(lines 136 140) no Hoare annotation was computed. [2024-11-09 00:08:00,547 INFO L75 FloydHoareUtils]: For program point L136-3(lines 136 140) no Hoare annotation was computed. [2024-11-09 00:08:00,547 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:08:00,547 INFO L75 FloydHoareUtils]: For program point L38(lines 38 46) no Hoare annotation was computed. [2024-11-09 00:08:00,548 INFO L75 FloydHoareUtils]: For program point L38-1(lines 38 46) no Hoare annotation was computed. [2024-11-09 00:08:00,548 INFO L75 FloydHoareUtils]: For program point L121(lines 121 122) no Hoare annotation was computed. [2024-11-09 00:08:00,548 INFO L75 FloydHoareUtils]: For program point L32(lines 32 33) no Hoare annotation was computed. [2024-11-09 00:08:00,548 INFO L75 FloydHoareUtils]: For program point L123(lines 123 131) no Hoare annotation was computed. [2024-11-09 00:08:00,548 INFO L75 FloydHoareUtils]: For program point L123-1(lines 123 131) no Hoare annotation was computed. [2024-11-09 00:08:00,549 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2024-11-09 00:08:00,549 INFO L77 FloydHoareUtils]: At program point L148-1(lines 148 152) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start_isinf_float_~ix~1#1|) ((_ extract 30 23) |ULTIMATE.start_isinf_float_~ix~1#1|) ((_ extract 22 0) |ULTIMATE.start_isinf_float_~ix~1#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))))) [2024-11-09 00:08:00,550 INFO L77 FloydHoareUtils]: At program point L148-2(lines 148 152) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_isinf_float_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))))) [2024-11-09 00:08:00,550 INFO L77 FloydHoareUtils]: At program point L148-3(lines 148 152) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start_isinf_float_~ix~1#1|) ((_ extract 30 23) |ULTIMATE.start_isinf_float_~ix~1#1|) ((_ extract 22 0) |ULTIMATE.start_isinf_float_~ix~1#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))))) [2024-11-09 00:08:00,551 INFO L75 FloydHoareUtils]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2024-11-09 00:08:00,551 INFO L75 FloydHoareUtils]: For program point L41-2(lines 41 45) no Hoare annotation was computed. [2024-11-09 00:08:00,551 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:08:00,552 INFO L75 FloydHoareUtils]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2024-11-09 00:08:00,552 INFO L75 FloydHoareUtils]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2024-11-09 00:08:00,552 INFO L75 FloydHoareUtils]: For program point __ieee754_logf_returnLabel#1(lines 21 97) no Hoare annotation was computed. [2024-11-09 00:08:00,552 INFO L75 FloydHoareUtils]: For program point L25-3(lines 25 29) no Hoare annotation was computed. [2024-11-09 00:08:00,553 INFO L75 FloydHoareUtils]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2024-11-09 00:08:00,553 INFO L75 FloydHoareUtils]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2024-11-09 00:08:00,553 INFO L75 FloydHoareUtils]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2024-11-09 00:08:00,553 INFO L75 FloydHoareUtils]: For program point L34(lines 34 35) no Hoare annotation was computed. [2024-11-09 00:08:00,554 INFO L77 FloydHoareUtils]: At program point L117(lines 117 118) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_log10f_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_log10f_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_log10f_~hx~0#1|)) (fp.neg (_ +zero 8 24))) (= ~two25_log10~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)))) [2024-11-09 00:08:00,554 INFO L77 FloydHoareUtils]: At program point L167(lines 167 170) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret13#1|) [2024-11-09 00:08:00,554 INFO L77 FloydHoareUtils]: At program point __ieee754_log10f_returnLabel#1(lines 106 143) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_log10f_#res#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))))) [2024-11-09 00:08:00,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 00:08:00,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:08:00 ImpRootNode [2024-11-09 00:08:00,570 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:08:00,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:08:00,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:08:00,571 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:08:00,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:22" (3/4) ... [2024-11-09 00:08:00,575 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:08:00,590 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-09 00:08:00,591 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 00:08:00,591 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:08:00,592 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:08:00,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:08:00,729 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:08:00,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:08:00,730 INFO L158 Benchmark]: Toolchain (without parser) took 97427.60ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 34.3MB in the end (delta: 6.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-09 00:08:00,730 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:08:00,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.80ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 40.6MB in the beginning and 59.1MB in the end (delta: -18.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-09 00:08:00,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.52ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 56.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:08:00,732 INFO L158 Benchmark]: Boogie Preprocessor took 89.17ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 54.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:08:00,732 INFO L158 Benchmark]: RCFGBuilder took 57991.35ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 46.9MB in the end (delta: 7.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-09 00:08:00,733 INFO L158 Benchmark]: CodeCheck took 38559.48ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 40.6MB in the end (delta: 6.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-09 00:08:00,733 INFO L158 Benchmark]: Witness Printer took 158.49ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 34.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:08:00,736 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 52.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 50.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 63 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 4 QuantifiedInterpolants, 173 SizeOfPredicates, 9 NumberOfNonLiveVariables, 172 ConjunctsInSsa, 22 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: 168]: 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 0.39ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.80ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 40.6MB in the beginning and 59.1MB in the end (delta: -18.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.52ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 56.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.17ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 54.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 57991.35ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 46.9MB in the end (delta: 7.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * CodeCheck took 38559.48ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 40.6MB in the end (delta: 6.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 158.49ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 34.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 RESULT: Ultimate proved your program to be correct! [2024-11-09 00:08:00,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969ccc9d-0243-4468-bfed-50d2e5e3ac24/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE