./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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 e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:16,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:16,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:04:16,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:04:16,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:04:16,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:16,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:16,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:16,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:16,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:16,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:16,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:16,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:04:16,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:04:16,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:04:16,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:16,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:16,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:16,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:16,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:16,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:16,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:16,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:16,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:16,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:04:16,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:04:16,573 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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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 -> e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 [2024-11-13 22:04:16,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:16,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:16,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:16,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:16,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:16,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c Unable to find full path for "g++" [2024-11-13 22:04:18,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:19,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:19,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2024-11-13 22:04:19,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data/6f6d89f0a/3f15a5af5eea47cbb661c8d7dfdc2163/FLAG6eb2c40e0 [2024-11-13 22:04:19,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data/6f6d89f0a/3f15a5af5eea47cbb661c8d7dfdc2163 [2024-11-13 22:04:19,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:19,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:19,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:19,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:19,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:19,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c48e19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19, skipping insertion in model container [2024-11-13 22:04:19,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:19,473 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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2024-11-13 22:04:19,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:19,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:19,539 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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2024-11-13 22:04:19,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:19,555 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:19,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19 WrapperNode [2024-11-13 22:04:19,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:19,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:19,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:19,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:19,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,594 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2024-11-13 22:04:19,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:19,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:19,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:19,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:19,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:19,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:19,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:19,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:19,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:19" (1/1) ... [2024-11-13 22:04:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:19,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:19,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:04:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:04:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:04:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:04:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:04:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:04:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:04:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-13 22:04:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-13 22:04:19,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:19,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:04:20,144 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 22:04:20,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:04:20,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:04:20,264 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 22:04:20,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:20 BoogieIcfgContainer [2024-11-13 22:04:20,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:04:20,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:04:20,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:04:20,277 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:04:20,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:20" (1/1) ... [2024-11-13 22:04:20,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:04:20,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 22:04:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 22:04:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:04:20,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-13 22:04:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-13 22:04:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:04:20,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:20,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:04:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:20,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:04:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:04:20,808 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:04:20,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:04:20 ImpRootNode [2024-11-13 22:04:20,844 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:04:20,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:04:20,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:04:20,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:04:20,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:20" (3/4) ... [2024-11-13 22:04:20,850 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:04:20,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:04:20,852 INFO L158 Benchmark]: Toolchain (without parser) took 1666.71ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.0MB in the end (delta: 14.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 22:04:20,854 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:20,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.39ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:20,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.47ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:20,856 INFO L158 Benchmark]: Boogie Preprocessor took 31.84ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:20,856 INFO L158 Benchmark]: RCFGBuilder took 637.27ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 74.0MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:04:20,857 INFO L158 Benchmark]: CodeCheck took 579.07ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 105.0MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:20,857 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:20,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 176]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 171. 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 = 0.0f / 0.0f; [L172] CALL, EXPR __ieee754_acosf(x) [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L104] COND TRUE ix == 0x3f800000 [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [\result=0, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/5000000000, pio2_hi_acos=15707962513/10000000000, pio2_lo_acos=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L172] RET, EXPR __ieee754_acosf(x) [L172] float res = __ieee754_acosf(x); [L175] CALL, EXPR isnan_float(res) [L15] return x != x; [L175] RET, EXPR isnan_float(res) [L175] COND TRUE !isnan_float(res) [L176] 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 1.51ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.39ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.3MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.47ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.84ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 637.27ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 74.0MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 579.07ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 105.0MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:04:20,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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 e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:04:23,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:04:23,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:04:23,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:04:23,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:04:23,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:04:23,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:04:23,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:04:23,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:04:23,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:04:23,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:04:23,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:04:23,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:04:23,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:04:23,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:04:23,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:04:23,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:04:23,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:04:23,772 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,772 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:04:23,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:04:23,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:23,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:04:23,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:04:23,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:04:23,773 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:04:23,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,773 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:04:23,773 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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/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 -> e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 [2024-11-13 22:04:24,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:04:24,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:04:24,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:04:24,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:04:24,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:04:24,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c Unable to find full path for "g++" [2024-11-13 22:04:26,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:26,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:26,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2024-11-13 22:04:26,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data/3951fb46e/9441b6babe444ddd8507fe4904818b63/FLAG8f3242e1a [2024-11-13 22:04:26,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/data/3951fb46e/9441b6babe444ddd8507fe4904818b63 [2024-11-13 22:04:26,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:26,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:26,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:26,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:26,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:26,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:26" (1/1) ... [2024-11-13 22:04:26,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3efc22b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:26, skipping insertion in model container [2024-11-13 22:04:26,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:26" (1/1) ... [2024-11-13 22:04:26,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:26,978 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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2024-11-13 22:04:26,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:26,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:27,044 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_8bffd87c-3069-48fd-93c1-6acfc3058e8b/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2024-11-13 22:04:27,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:27,067 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:27,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27 WrapperNode [2024-11-13 22:04:27,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:27,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:27,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:27,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:27,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,136 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2024-11-13 22:04:27,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:27,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:27,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:27,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:27,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:27,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:27,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:27,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:27,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:27" (1/1) ... [2024-11-13 22:04:27,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:27,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:27,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:04:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:04:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 22:04:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:04:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 22:04:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:04:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:04:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-13 22:04:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-13 22:04:27,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:27,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:03,369 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:03,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:03,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:03,475 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 22:05:03,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:03 BoogieIcfgContainer [2024-11-13 22:05:03,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:03,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:03,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:03,493 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:03,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:03" (1/1) ... [2024-11-13 22:05:03,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-13 22:05:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-13 22:05:03,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:05:03,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:03,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:03,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:03,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:03,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:05:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:04,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:04,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:05:04,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:04,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:05:14,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2024-11-13 22:05:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2024-11-13 22:05:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:05:14,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:14,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:14,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:14,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:14,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:05:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:16,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:16,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:05:16,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:16,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:05:16,667 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 32 treesize of output 16 [2024-11-13 22:05:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:17,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:05:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2024-11-13 22:05:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2024-11-13 22:05:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:05:18,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:18,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:18,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:18,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:18,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:05:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:20,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:20,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:05:20,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:21,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:36,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:05:46,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:05:57,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:06:08,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:06:18,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:06:28,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:06:30,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:06:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2024-11-13 22:06:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2024-11-13 22:06:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:06:33,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:33,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:33,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:33,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:33,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:06:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:36,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:36,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:06:36,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:36,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 22:06:36,552 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 32 treesize of output 16 [2024-11-13 22:06:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:36,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:06:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-13 22:06:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 22:06:38,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:06:38,643 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 22:06:38,651 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:06:39,166 INFO L77 FloydHoareUtils]: At program point __ieee754_acosf_returnLabel#1(lines 95 162) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acosf_#res#1| (let ((.cse0 (let ((.cse1 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub currentRoundingMode .cse1 .cse1)))) (fp.div currentRoundingMode .cse0 .cse0)))) [2024-11-13 22:06:39,166 INFO L75 FloydHoareUtils]: For program point L176(line 176) no Hoare annotation was computed. [2024-11-13 22:06:39,166 INFO L75 FloydHoareUtils]: For program point L139(line 139) no Hoare annotation was computed. [2024-11-13 22:06:39,167 INFO L75 FloydHoareUtils]: For program point L139-1(line 139) no Hoare annotation was computed. [2024-11-13 22:06:39,167 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 164 181) the Hoare annotation is: true [2024-11-13 22:06:39,167 INFO L77 FloydHoareUtils]: At program point L98-1(lines 98 102) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))) [2024-11-13 22:06:39,167 INFO L77 FloydHoareUtils]: At program point L98-2(lines 98 102) the Hoare annotation is: (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) [2024-11-13 22:06:39,167 INFO L77 FloydHoareUtils]: At program point L98-3(lines 98 102) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))) [2024-11-13 22:06:39,167 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2024-11-13 22:06:39,168 INFO L75 FloydHoareUtils]: For program point L132(line 132) no Hoare annotation was computed. [2024-11-13 22:06:39,168 INFO L75 FloydHoareUtils]: For program point L132-1(line 132) no Hoare annotation was computed. [2024-11-13 22:06:39,168 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:06:39,168 INFO L75 FloydHoareUtils]: For program point L124(lines 124 161) no Hoare annotation was computed. [2024-11-13 22:06:39,168 INFO L75 FloydHoareUtils]: For program point L112(lines 112 161) no Hoare annotation was computed. [2024-11-13 22:06:39,168 INFO L75 FloydHoareUtils]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2024-11-13 22:06:39,168 INFO L75 FloydHoareUtils]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2024-11-13 22:06:39,168 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:06:39,168 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 ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))))) (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L146(lines 146 150) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L77 FloydHoareUtils]: At program point L175(lines 175 178) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret13#1|) [2024-11-13 22:06:39,169 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 ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_~hx~1#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))))) (= |ULTIMATE.start___ieee754_acosf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L31(lines 31 32) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L40(lines 40 44) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L36(lines 36 37) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2024-11-13 22:06:39,169 INFO L75 FloydHoareUtils]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point __ieee754_sqrtfFINAL(lines 19 84) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point __ieee754_sqrtfEXIT(lines 19 84) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point $Ultimate##0(lines 19 84) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point L34(lines 34 35) no Hoare annotation was computed. [2024-11-13 22:06:39,170 INFO L75 FloydHoareUtils]: For program point L55-2(lines 55 64) no Hoare annotation was computed. [2024-11-13 22:06:39,177 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 22:06:39,178 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 22:06:39,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:06:39 ImpRootNode [2024-11-13 22:06:39,184 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:06:39,185 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:06:39,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:06:39,185 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:06:39,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:03" (3/4) ... [2024-11-13 22:06:39,189 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:06:39,192 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2024-11-13 22:06:39,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-13 22:06:39,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 22:06:39,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:06:39,198 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:06:39,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:06:39,308 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:06:39,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:06:39,308 INFO L158 Benchmark]: Toolchain (without parser) took 132584.14ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 51.4MB in the end (delta: 41.0MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-13 22:06:39,309 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 84.4MB in the end (delta: 54.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:39,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.24ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:06:39,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.35ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:06:39,310 INFO L158 Benchmark]: Boogie Preprocessor took 63.64ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:39,310 INFO L158 Benchmark]: RCFGBuilder took 36273.90ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 45.8MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:06:39,310 INFO L158 Benchmark]: CodeCheck took 95708.09ms. Allocated memory is still 117.4MB. Free memory was 45.8MB in the beginning and 57.1MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:06:39,311 INFO L158 Benchmark]: Witness Printer took 122.69ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 51.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:06:39,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 95.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 180.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 173.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 51 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 248 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 9 QuantifiedInterpolants, 197 SizeOfPredicates, 11 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 176]: 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 0.43ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 84.4MB in the end (delta: 54.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.24ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.35ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.64ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 36273.90ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 45.8MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 95708.09ms. Allocated memory is still 117.4MB. Free memory was 45.8MB in the beginning and 57.1MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.69ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 51.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode RESULT: Ultimate proved your program to be correct! [2024-11-13 22:06:39,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bffd87c-3069-48fd-93c1-6acfc3058e8b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE