./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.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_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/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_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/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_cdfeb074-5a2a-4d32-b371-815325149b6d/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 dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:05:30,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:05:30,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:05:30,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:05:30,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:05:30,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:05:30,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:05:30,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:05:30,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:05:30,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:05:30,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:05:30,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:05:30,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:05:30,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:05:30,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:05:30,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:05:30,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:05:30,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:05:30,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:05:30,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:05:30,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:05:30,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:05:30,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:05:30,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:05:30,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:05:30,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:05:30,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:05:30,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:30,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:05:30,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:05:30,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:05:30,533 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:05:30,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:05:30,534 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_cdfeb074-5a2a-4d32-b371-815325149b6d/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 -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 [2024-11-13 23:05:30,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:05:30,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:05:30,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:05:30,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:05:30,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:05:30,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c Unable to find full path for "g++" [2024-11-13 23:05:32,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:05:33,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:05:33,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2024-11-13 23:05:33,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data/f7ee4ac1b/18c57ff0ea1647f892f59069b9d459f0/FLAG3ac7d3ac9 [2024-11-13 23:05:33,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data/f7ee4ac1b/18c57ff0ea1647f892f59069b9d459f0 [2024-11-13 23:05:33,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:05:33,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:05:33,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:33,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:05:33,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:05:33,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68479e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33, skipping insertion in model container [2024-11-13 23:05:33,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:05:33,546 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_cdfeb074-5a2a-4d32-b371-815325149b6d/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2024-11-13 23:05:33,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:33,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:05:33,597 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_cdfeb074-5a2a-4d32-b371-815325149b6d/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2024-11-13 23:05:33,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:33,610 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:05:33,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33 WrapperNode [2024-11-13 23:05:33,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:33,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:33,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:05:33,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:05:33,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,662 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-11-13 23:05:33,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:33,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:05:33,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:05:33,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:05:33,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:05:33,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:05:33,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:05:33,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:05:33,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:33" (1/1) ... [2024-11-13 23:05:33,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:33,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:05:33,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:05:33,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:05:33,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:05:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-13 23:05:33,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-13 23:05:33,878 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:05:33,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:05:34,217 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 23:05:34,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:05:34,353 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:05:34,353 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 23:05:34,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:34 BoogieIcfgContainer [2024-11-13 23:05:34,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:05:34,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:05:34,356 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:05:34,369 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:05:34,369 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:34" (1/1) ... [2024-11-13 23:05:34,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:05:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:34,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2024-11-13 23:05:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2024-11-13 23:05:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:05:34,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:34,605 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 23:05:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2024-11-13 23:05:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2024-11-13 23:05:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:05:34,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:34,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:34,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:34,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:34,879 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 23:05:34,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:05:34 ImpRootNode [2024-11-13 23:05:34,917 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:05:34,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:05:34,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:05:34,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:05:34,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:34" (3/4) ... [2024-11-13 23:05:34,921 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:05:34,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:05:34,923 INFO L158 Benchmark]: Toolchain (without parser) took 1616.52ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 103.9MB in the end (delta: 15.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 23:05:34,926 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 81.3MB in the end (delta: 215.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:34,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.11ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 105.2MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:05:34,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.25ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:05:34,927 INFO L158 Benchmark]: Boogie Preprocessor took 31.71ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:34,928 INFO L158 Benchmark]: RCFGBuilder took 655.51ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 73.7MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:05:34,928 INFO L158 Benchmark]: CodeCheck took 560.65ms. Allocated memory is still 142.6MB. Free memory was 73.7MB in the beginning and 104.6MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:34,928 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 622.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:34,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 179]: 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 173, overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 108. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L171] float x = __VERIFIER_nondet_float(); [L173] COND TRUE x < -1.0f || x > 1.0f [L175] CALL, EXPR __ieee754_acosf(x) [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L104] COND TRUE ix == 0x3f800000 [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [\result=0, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L175] RET, EXPR __ieee754_acosf(x) [L175] float res = __ieee754_acosf(x); [L178] CALL, EXPR isnan_float(res) [L15] return x != x; [L178] RET, EXPR isnan_float(res) [L178] COND TRUE !isnan_float(res) [L179] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 81.3MB in the end (delta: 215.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.11ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 105.2MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.25ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.71ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 655.51ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 73.7MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 560.65ms. Allocated memory is still 142.6MB. Free memory was 73.7MB in the beginning and 104.6MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 622.6kB). 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 23:05:34,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/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_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/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_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/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_cdfeb074-5a2a-4d32-b371-815325149b6d/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 dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:05:37,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:05:37,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:05:37,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:05:37,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:05:37,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:05:37,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:05:37,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:05:37,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:05:37,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:05:37,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:05:37,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:05:37,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:05:37,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:05:37,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:05:37,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:05:37,796 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:05:37,796 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:05:37,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:05:37,797 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:05:37,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:05:37,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:05:37,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:05:37,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:05:37,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:05:37,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:05:37,798 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:37,798 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:05:37,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:05:37,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:37,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:05:37,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:05:37,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:05:37,799 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:05:37,799 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:37,799 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:05:37,799 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_cdfeb074-5a2a-4d32-b371-815325149b6d/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 -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 [2024-11-13 23:05:38,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:05:38,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:05:38,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:05:38,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:05:38,121 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:05:38,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c Unable to find full path for "g++" [2024-11-13 23:05:40,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:05:40,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:05:40,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2024-11-13 23:05:40,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data/29c649659/5b3faf76fa86487189b5ed15eb0f0452/FLAG235926a2f [2024-11-13 23:05:40,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/data/29c649659/5b3faf76fa86487189b5ed15eb0f0452 [2024-11-13 23:05:40,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:05:40,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:05:40,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:40,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:05:40,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:05:40,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b652979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40, skipping insertion in model container [2024-11-13 23:05:40,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:05:40,814 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_cdfeb074-5a2a-4d32-b371-815325149b6d/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2024-11-13 23:05:40,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:40,832 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:05:40,885 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_cdfeb074-5a2a-4d32-b371-815325149b6d/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2024-11-13 23:05:40,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:40,916 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:05:40,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40 WrapperNode [2024-11-13 23:05:40,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:40,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:40,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:05:40,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:05:40,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,964 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-11-13 23:05:40,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:40,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:05:40,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:05:40,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:05:40,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:40,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:41,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:41,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:41,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:05:41,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:05:41,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:05:41,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:05:41,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:40" (1/1) ... [2024-11-13 23:05:41,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:41,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:05:41,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:05:41,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:05:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:05:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:05:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:05:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 23:05:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:05:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:05:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:05:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 23:05:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:05:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:05:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-13 23:05:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-13 23:05:41,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:05:41,190 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:06:24,133 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-13 23:06:24,134 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:06:24,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:06:24,282 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 23:06:24,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:24 BoogieIcfgContainer [2024-11-13 23:06:24,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:06:24,284 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:06:24,284 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:06:24,298 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:06:24,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:24" (1/1) ... [2024-11-13 23:06:24,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:06:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 23:06:24,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 23:06:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:24,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:24,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:24,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:24,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:24,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:06:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:25,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:25,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:06:25,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:25,179 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 23:06:25,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:06:35,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:06:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:35,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-13 23:06:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-13 23:06:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:06:35,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:35,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:35,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:35,729 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:35,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:06:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:37,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:38,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:06:38,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:38,318 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:06:38,320 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2024-11-13 23:06:49,177 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 24 DAG size of output: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:06:49,202 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 23:06:49,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:06:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2024-11-13 23:06:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2024-11-13 23:06:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:06:51,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:51,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:51,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:51,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:51,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:06:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:53,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:53,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:06:54,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:54,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 23:06:54,117 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 29 treesize of output 13 [2024-11-13 23:07:03,292 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 23:07:03,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:07:31,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:07:42,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:07:52,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:03,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:13,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:18,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:19,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:20,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:23,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:24,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2024-11-13 23:08:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-11-13 23:08:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:08:27,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:27,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:08:27,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:08:27,451 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:08:27,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:08:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:31,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:08:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:31,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:08:31,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:08:32,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 23:08:32,115 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 56 treesize of output 28 [2024-11-13 23:08:32,771 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 23:08:32,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:08:40,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:08:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:08:40,761 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:08:40,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:08:40,766 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 23:08:40,776 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:08:42,610 INFO L77 FloydHoareUtils]: At program point __ieee754_acosf_returnLabel#1(lines 95 162) the Hoare annotation is: (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse0 (let ((.cse1 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)))) (fp.sub currentRoundingMode .cse1 .cse1)))) (fp.div currentRoundingMode .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res#1|) (bvsgt (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) (_ bv1065353216 32)))) [2024-11-13 23:08:42,610 INFO L75 FloydHoareUtils]: For program point L139(line 139) no Hoare annotation was computed. [2024-11-13 23:08:42,610 INFO L75 FloydHoareUtils]: For program point L139-1(line 139) no Hoare annotation was computed. [2024-11-13 23:08:42,610 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 164 185) the Hoare annotation is: true [2024-11-13 23:08:42,611 INFO L77 FloydHoareUtils]: At program point L98-1(lines 98 102) the Hoare annotation is: (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)))) (and (or (exists ((v_prenex_1 RoundingMode)) (fp.gt .cse0 ((_ to_fp 8 24) v_prenex_1 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt .cse0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) (= .cse0 |ULTIMATE.start___ieee754_acosf_~x#1|))) [2024-11-13 23:08:42,611 INFO L77 FloydHoareUtils]: At program point L98-2(lines 98 102) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (fp.gt |ULTIMATE.start___ieee754_acosf_~x#1| ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_acosf_~x#1| (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) [2024-11-13 23:08:42,611 INFO L77 FloydHoareUtils]: At program point L98-3(lines 98 102) the Hoare annotation is: (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)))) (and (or (exists ((v_prenex_1 RoundingMode)) (fp.gt .cse0 ((_ to_fp 8 24) v_prenex_1 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt .cse0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) (= .cse0 |ULTIMATE.start___ieee754_acosf_~x#1|))) [2024-11-13 23:08:42,611 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2024-11-13 23:08:42,611 INFO L77 FloydHoareUtils]: At program point L173(lines 173 182) the Hoare annotation is: true [2024-11-13 23:08:42,612 INFO L77 FloydHoareUtils]: At program point L173-2(lines 173 182) the Hoare annotation is: true [2024-11-13 23:08:42,612 INFO L75 FloydHoareUtils]: For program point L132(line 132) no Hoare annotation was computed. [2024-11-13 23:08:42,612 INFO L75 FloydHoareUtils]: For program point L132-1(line 132) no Hoare annotation was computed. [2024-11-13 23:08:42,612 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:08:42,612 INFO L75 FloydHoareUtils]: For program point L124(lines 124 161) no Hoare annotation was computed. [2024-11-13 23:08:42,612 INFO L77 FloydHoareUtils]: At program point L178(lines 178 181) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret14#1|) [2024-11-13 23:08:42,612 INFO L75 FloydHoareUtils]: For program point L112(lines 112 161) no Hoare annotation was computed. [2024-11-13 23:08:42,614 INFO L75 FloydHoareUtils]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2024-11-13 23:08:42,614 INFO L75 FloydHoareUtils]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2024-11-13 23:08:42,614 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:08:42,614 INFO L77 FloydHoareUtils]: At program point L104(lines 104 111) the Hoare annotation is: (and (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (exists ((v_prenex_1 RoundingMode)) (fp.gt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) ((_ to_fp 8 24) v_prenex_1 1.0))))) (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) |ULTIMATE.start___ieee754_acosf_~x#1|)))) [2024-11-13 23:08:42,615 INFO L75 FloydHoareUtils]: For program point L179(line 179) no Hoare annotation was computed. [2024-11-13 23:08:42,615 INFO L75 FloydHoareUtils]: For program point L146(lines 146 150) no Hoare annotation was computed. [2024-11-13 23:08:42,615 INFO L75 FloydHoareUtils]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2024-11-13 23:08:42,615 INFO L75 FloydHoareUtils]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2024-11-13 23:08:42,615 INFO L77 FloydHoareUtils]: At program point L109(lines 109 111) the Hoare annotation is: (and (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (exists ((v_prenex_1 RoundingMode)) (fp.gt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) ((_ to_fp 8 24) v_prenex_1 1.0))))) (exists ((|ULTIMATE.start___ieee754_acosf_~hx~1#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) |ULTIMATE.start___ieee754_acosf_~ix~1#1|) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) |ULTIMATE.start___ieee754_acosf_~x#1|)))) [2024-11-13 23:08:42,615 INFO L75 FloydHoareUtils]: For program point L31(lines 31 32) no Hoare annotation was computed. [2024-11-13 23:08:42,615 INFO L75 FloydHoareUtils]: For program point L40(lines 40 44) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L36(lines 36 37) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point __ieee754_sqrtfFINAL(lines 19 84) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point __ieee754_sqrtfEXIT(lines 19 84) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point $Ultimate##0(lines 19 84) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L34(lines 34 35) no Hoare annotation was computed. [2024-11-13 23:08:42,616 INFO L75 FloydHoareUtils]: For program point L55-2(lines 55 64) no Hoare annotation was computed. [2024-11-13 23:08:42,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:08:42,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:08:42,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:08:42,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:08:42 ImpRootNode [2024-11-13 23:08:42,639 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:08:42,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:08:42,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:08:42,641 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:08:42,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:24" (3/4) ... [2024-11-13 23:08:42,646 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:08:42,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2024-11-13 23:08:42,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-13 23:08:42,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 23:08:42,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:08:42,663 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:08:42,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:08:42,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:08:42,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:08:42,781 INFO L158 Benchmark]: Toolchain (without parser) took 182228.78ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 32.0MB in the end (delta: 28.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-13 23:08:42,783 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:42,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.71ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 46.0MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:08:42,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.04ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:42,785 INFO L158 Benchmark]: Boogie Preprocessor took 44.22ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:42,785 INFO L158 Benchmark]: RCFGBuilder took 43273.40ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 51.3MB in the end (delta: -9.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-13 23:08:42,785 INFO L158 Benchmark]: CodeCheck took 138355.88ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 38.0MB in the end (delta: 13.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-13 23:08:42,786 INFO L158 Benchmark]: Witness Printer took 139.81ms. Allocated memory is still 83.9MB. Free memory was 38.0MB in the beginning and 32.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:08:42,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 136.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 180.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 170.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 55 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 279 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 41.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 12 QuantifiedInterpolants, 304 SizeOfPredicates, 12 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 179]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 19]: Procedure Contract for __ieee754_sqrtf Derived contract for procedure __ieee754_sqrtf. Ensures: ((((((((((((((((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt))) && (one_acos == \old(one_acos))) && (pi == \old(pi))) && (pio2_hi_acos == \old(pio2_hi_acos))) && (pio2_lo_acos == \old(pio2_lo_acos))) && (pS0_acos == \old(pS0_acos))) && (pS1_acos == \old(pS1_acos))) && (pS2_acos == \old(pS2_acos))) && (pS3_acos == \old(pS3_acos))) && (pS4_acos == \old(pS4_acos))) && (pS5_acos == \old(pS5_acos))) && (qS1_acos == \old(qS1_acos))) && (qS2_acos == \old(qS2_acos))) && (qS3_acos == \old(qS3_acos))) && (qS4_acos == \old(qS4_acos))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.71ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 46.0MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.04ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.22ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 43273.40ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 51.3MB in the end (delta: -9.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * CodeCheck took 138355.88ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 38.0MB in the end (delta: 13.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 139.81ms. Allocated memory is still 83.9MB. Free memory was 38.0MB in the beginning and 32.0MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-13 23:08:43,008 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 23:08:43,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdfeb074-5a2a-4d32-b371-815325149b6d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE