./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi --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 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:43,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:43,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:43,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:43,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:43,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:43,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:43,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:43,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:43,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:43,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:43,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:43,388 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:43,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:43,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:43,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:43,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:43,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:43,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:43,393 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:43,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:43,394 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:43,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:43,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:43,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:43,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:43,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:43,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:43,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:43,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:43,401 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:43,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:43,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:43,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f [2023-11-24 22:59:43,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:43,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:43,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:43,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:43,800 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:43,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-11-24 22:59:46,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:47,070 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:47,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-11-24 22:59:47,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data/c59bdfa59/ebb372ea327a42a4897242c7b891cb63/FLAG00810cf5a [2023-11-24 22:59:47,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data/c59bdfa59/ebb372ea327a42a4897242c7b891cb63 [2023-11-24 22:59:47,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:47,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:47,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:47,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:47,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:47,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec7bfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47, skipping insertion in model container [2023-11-24 22:59:47,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:47,312 WARN L240 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_4073df0e-62d2-4427-a54d-bd2c257e0863/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-11-24 22:59:47,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:47,327 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:47,360 WARN L240 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_4073df0e-62d2-4427-a54d-bd2c257e0863/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-11-24 22:59:47,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:47,376 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:47,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47 WrapperNode [2023-11-24 22:59:47,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:47,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:47,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:47,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:47,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,424 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2023-11-24 22:59:47,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:47,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:47,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:47,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:47,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:47,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:47,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:47,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:47,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:47" (1/1) ... [2023-11-24 22:59:47,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:47,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:47,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 22:59:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 22:59:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:47,623 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:47,625 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:47,880 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:48,106 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:48,106 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:59:48,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:48 BoogieIcfgContainer [2023-11-24 22:59:48,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:48,109 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:48,110 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:48,122 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:48,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:48" (1/1) ... [2023-11-24 22:59:48,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-11-24 22:59:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-11-24 22:59:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:48,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:48,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:48,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 22:59:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 22:59:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:59:48,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:48,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:48,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:48,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:48,822 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:59:48,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:48 ImpRootNode [2023-11-24 22:59:48,861 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:48,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:48,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:48,862 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:48,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:48" (3/4) ... [2023-11-24 22:59:48,866 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:48,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:48,870 INFO L158 Benchmark]: Toolchain (without parser) took 1770.66ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 90.0MB in the beginning and 103.2MB in the end (delta: -13.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:48,871 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:48,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.00ms. Allocated memory is still 132.1MB. Free memory was 90.0MB in the beginning and 78.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:59:48,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:48,874 INFO L158 Benchmark]: Boogie Preprocessor took 35.71ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:48,877 INFO L158 Benchmark]: RCFGBuilder took 646.76ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 75.3MB in the beginning and 127.0MB in the end (delta: -51.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-24 22:59:48,880 INFO L158 Benchmark]: CodeCheck took 751.43ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 104.0MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:48,881 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 103.2MB in the end (delta: 878.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:48,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 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, 8 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 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: 72]: 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 57, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 24. Possible FailurePath: [L67] float x = 0.0f / 0.0f; [L68] CALL, EXPR round_float(x) [L14] __uint32_t w; [L16] int exponent_less_127; VAL [\old(x)=2, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (w) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095040, x=2] [L24] EXPR w & 0x7f800000 [L24] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L26] COND FALSE !(exponent_less_127 < 23) [L42] COND TRUE exponent_less_127 == 128 [L44] return x + x; VAL [\old(x)=2, \result=5, exponent_less_127=128, w=2139095040, x=2] [L68] RET, EXPR round_float(x) [L68] float res = round_float(x); [L71] CALL, EXPR isnan_float(res) [L57] return x != x; [L71] RET, EXPR isnan_float(res) [L71] COND TRUE !isnan_float(res) [L72] reach_error() VAL [res=5, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.00ms. Allocated memory is still 132.1MB. Free memory was 90.0MB in the beginning and 78.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.71ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.76ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 75.3MB in the beginning and 127.0MB in the end (delta: -51.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * CodeCheck took 751.43ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 104.0MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 103.2MB in the end (delta: 878.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:48,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi --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 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:51,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:51,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:59:51,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:51,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:51,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:51,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:51,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:51,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:51,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:51,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:51,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:51,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:51,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:51,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:51,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:51,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:51,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:51,770 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:51,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:51,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:51,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:51,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:51,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:51,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:51,775 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:51,775 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:51,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:51,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:51,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:51,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:51,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:51,779 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:51,780 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:51,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:51,781 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:51,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:51,782 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f [2023-11-24 22:59:52,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:52,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:52,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:52,228 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:52,228 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:52,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-11-24 22:59:56,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:56,296 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:56,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-11-24 22:59:56,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data/f012832df/a53d1d7a62ef4f52932b27c9985d2aeb/FLAGf57d3fe3b [2023-11-24 22:59:56,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/data/f012832df/a53d1d7a62ef4f52932b27c9985d2aeb [2023-11-24 22:59:56,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:56,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:56,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:56,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:56,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:56,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303b2252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56, skipping insertion in model container [2023-11-24 22:59:56,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:56,691 WARN L240 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_4073df0e-62d2-4427-a54d-bd2c257e0863/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-11-24 22:59:56,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:56,724 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:56,773 WARN L240 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_4073df0e-62d2-4427-a54d-bd2c257e0863/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-11-24 22:59:56,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:56,809 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:56,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56 WrapperNode [2023-11-24 22:59:56,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:56,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:56,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:56,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:56,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,872 INFO L138 Inliner]: procedures = 19, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-24 22:59:56,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:56,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:56,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:56,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:56,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:57,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:57,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:57,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:57,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:57,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:57,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:57,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:57,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 22:59:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:59:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 22:59:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:59:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:57,265 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:57,268 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:57,611 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:57,678 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:57,679 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:59:57,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:57 BoogieIcfgContainer [2023-11-24 22:59:57,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:57,685 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:57,685 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:57,697 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:57,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:57" (1/1) ... [2023-11-24 22:59:57,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-11-24 22:59:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-11-24 22:59:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:57,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:57,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:57,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:57,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:57,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:59:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:57,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:57,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:57,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:57,980 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:59:57,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 22:59:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 22:59:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:59:58,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:58,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:58,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:58,147 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:58,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:59:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:58,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:59:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:58,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:59:58,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:58,525 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 [2023-11-24 22:59:58,538 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 [2023-11-24 22:59:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:59,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 23:00:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-11-24 23:00:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-24 23:00:00,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:00:00,744 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-24 23:00:00,757 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:00:00,855 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:00:00,858 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-24 23:00:00,862 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-11-24 23:00:00,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_round_float_~w~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(ULTIMATE.start_round_float_~w~0#1[31:31], ULTIMATE.start_round_float_~w~0#1[30:23], ULTIMATE.start_round_float_~w~0#1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res) could not be translated [2023-11-24 23:00:00,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:00 ImpRootNode [2023-11-24 23:00:00,871 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:00,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:00,875 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:00,876 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:00,876 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:57" (3/4) ... [2023-11-24 23:00:00,879 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:00:00,898 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-24 23:00:00,898 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:00:00,899 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:00:00,899 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:00:01,068 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:00:01,069 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:00:01,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:01,071 INFO L158 Benchmark]: Toolchain (without parser) took 4739.79ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 47.5MB in the beginning and 77.3MB in the end (delta: -29.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,072 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 77.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:01,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.84ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 35.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.20ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 34.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,076 INFO L158 Benchmark]: Boogie Preprocessor took 123.38ms. Allocated memory is still 75.5MB. Free memory was 34.1MB in the beginning and 53.7MB in the end (delta: -19.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,077 INFO L158 Benchmark]: RCFGBuilder took 683.97ms. Allocated memory is still 75.5MB. Free memory was 53.7MB in the beginning and 39.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,081 INFO L158 Benchmark]: CodeCheck took 3186.93ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 39.6MB in the beginning and 82.3MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:01,082 INFO L158 Benchmark]: Witness Printer took 195.34ms. Allocated memory is still 111.1MB. Free memory was 82.3MB in the beginning and 77.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 20 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 2 QuantifiedInterpolants, 101 SizeOfPredicates, 10 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 72]: 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 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 77.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.84ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 35.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.20ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 34.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.38ms. Allocated memory is still 75.5MB. Free memory was 34.1MB in the beginning and 53.7MB in the end (delta: -19.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * RCFGBuilder took 683.97ms. Allocated memory is still 75.5MB. Free memory was 53.7MB in the beginning and 39.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3186.93ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 39.6MB in the beginning and 82.3MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 195.34ms. Allocated memory is still 111.1MB. Free memory was 82.3MB in the beginning and 77.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_round_float_~w~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(ULTIMATE.start_round_float_~w~0#1[31:31], ULTIMATE.start_round_float_~w~0#1[30:23], ULTIMATE.start_round_float_~w~0#1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 23:00:01,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073df0e-62d2-4427-a54d-bd2c257e0863/bin/ukojak-verify-afCqCEvfdi/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