./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9 --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 91d0d427be60a4bbf3a27ad515ab9239a608320706b01301a54920b37b2c4854 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:09:15,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:09:15,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:09:15,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:09:15,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:09:15,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:09:15,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:09:15,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:09:15,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:09:15,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:09:15,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:09:15,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:09:15,707 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:09:15,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:09:15,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:09:15,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:09:15,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:09:15,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:09:15,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:09:15,711 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:09:15,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:09:15,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:09:15,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:09:15,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:09:15,717 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:09:15,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:09:15,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:15,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:09:15,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:09:15,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:09:15,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:09:15,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:09:15,720 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:09:15,721 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_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d0d427be60a4bbf3a27ad515ab9239a608320706b01301a54920b37b2c4854 [2023-12-03 00:09:15,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:09:15,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:09:15,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:09:15,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:09:15,984 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:09:15,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2023-12-03 00:09:18,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:09:18,953 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:09:18,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2023-12-03 00:09:18,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data/b054de57a/f4539527eee446c8898f65b8a18fb427/FLAG9fe68bd3c [2023-12-03 00:09:18,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data/b054de57a/f4539527eee446c8898f65b8a18fb427 [2023-12-03 00:09:18,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:09:18,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:09:18,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:18,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:09:18,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:09:18,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:18" (1/1) ... [2023-12-03 00:09:18,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8b3fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:18, skipping insertion in model container [2023-12-03 00:09:18,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:18" (1/1) ... [2023-12-03 00:09:19,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:09:19,171 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_115818af-3f80-49f6-a387-855cf896c537/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c[2407,2420] [2023-12-03 00:09:19,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:19,189 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:09:19,219 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_115818af-3f80-49f6-a387-855cf896c537/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c[2407,2420] [2023-12-03 00:09:19,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:19,235 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:09:19,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19 WrapperNode [2023-12-03 00:09:19,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:19,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:19,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:09:19,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:09:19,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,281 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 215 [2023-12-03 00:09:19,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:19,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:09:19,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:09:19,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:09:19,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:09:19,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:09:19,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:09:19,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:09:19,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:19" (1/1) ... [2023-12-03 00:09:19,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:19,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:09:19,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:09:19,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:09:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:09:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:09:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:09:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 00:09:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:09:19,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 00:09:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:09:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:09:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:09:19,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:09:19,477 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:09:19,480 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:09:19,828 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:09:20,043 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:09:20,043 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 00:09:20,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:20 BoogieIcfgContainer [2023-12-03 00:09:20,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:09:20,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:09:20,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:09:20,054 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:09:20,054 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:20" (1/1) ... [2023-12-03 00:09:20,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:09:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-12-03 00:09:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-12-03 00:09:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:09:20,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:20,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-12-03 00:09:20,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-03 00:09:20,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:09:20,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:20,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:09:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:20,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:09:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:20,696 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 00:09:20,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:09:20 ImpRootNode [2023-12-03 00:09:20,724 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:09:20,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:09:20,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:09:20,725 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:09:20,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:20" (3/4) ... [2023-12-03 00:09:20,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:09:20,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:09:20,729 INFO L158 Benchmark]: Toolchain (without parser) took 1750.72ms. Allocated memory is still 148.9MB. Free memory was 112.2MB in the beginning and 95.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-12-03 00:09:20,730 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:20,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.55ms. Allocated memory is still 148.9MB. Free memory was 112.2MB in the beginning and 100.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:09:20,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 97.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:20,732 INFO L158 Benchmark]: Boogie Preprocessor took 38.29ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 95.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:20,732 INFO L158 Benchmark]: RCFGBuilder took 723.86ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 62.7MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 00:09:20,733 INFO L158 Benchmark]: CodeCheck took 677.45ms. Allocated memory is still 148.9MB. Free memory was 62.7MB in the beginning and 95.2MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:20,733 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 148.9MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:20,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 69 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 108]: 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 bitwiseOr at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L103] double x = 1.0 / 0.0; [L104] CALL, EXPR floor_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3] [L22] ieee_double_shape_type ew_u; [L23] EXPR ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] EXPR (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] EXPR (i1) = ew_u.parts.lsw [L21-L26] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1020264448, i1=-1, x=3] [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1020264448, i1=-1, j0=52, x=3] [L28] COND FALSE !(j0 < 20) VAL [\old(x)=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1020264448, i1=-1, j0=52, x=3] [L49] COND TRUE j0 > 51 [L50] COND FALSE !(j0 == 0x400) [L53] return x; VAL [\old(x)=3, \result=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1020264448, i1=-1, j0=52, x=3] [L104] RET, EXPR floor_double(x) [L104] double res = floor_double(x); [L107] CALL, EXPR isinf_double(res) [L83] __int32_t hx, lx; VAL [\old(x)=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3] [L85] ieee_double_shape_type ew_u; [L86] EXPR ew_u.value = (x) [L87] EXPR ew_u.parts.msw [L87] EXPR (hx) = ew_u.parts.msw [L88] EXPR ew_u.parts.lsw [L88] EXPR (lx) = ew_u.parts.lsw [L84-L89] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435070, lx=0, x=3] [L90] hx &= 0x7fffffff [L91] EXPR lx | (-lx) [L91] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L92] hx = 0x7ff00000 - hx [L93] EXPR hx | (-hx) [L93] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L107] RET, EXPR isinf_double(res) [L107] COND TRUE !isinf_double(res) [L108] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=3, x=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.55ms. Allocated memory is still 148.9MB. Free memory was 112.2MB in the beginning and 100.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 97.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.29ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 95.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.86ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 62.7MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 677.45ms. Allocated memory is still 148.9MB. Free memory was 62.7MB in the beginning and 95.2MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 148.9MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:09:20,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9 --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 91d0d427be60a4bbf3a27ad515ab9239a608320706b01301a54920b37b2c4854 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:09:22,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:09:22,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:09:22,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:09:22,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:09:22,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:09:22,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:09:22,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:09:22,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:09:22,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:09:22,796 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:09:22,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:09:22,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:09:22,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:09:22,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:09:22,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:09:22,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:09:22,800 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:09:22,800 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:09:22,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:09:22,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:09:22,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:09:22,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:09:22,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:09:22,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:09:22,804 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:22,804 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:09:22,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:09:22,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:22,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:09:22,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:09:22,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:09:22,806 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:09:22,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:22,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:09:22,807 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:09:22,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:09:22,807 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_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d0d427be60a4bbf3a27ad515ab9239a608320706b01301a54920b37b2c4854 [2023-12-03 00:09:23,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:09:23,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:09:23,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:09:23,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:09:23,126 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:09:23,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2023-12-03 00:09:25,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:09:26,172 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:09:26,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c [2023-12-03 00:09:26,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data/783d8fa61/3576c82816b9422c92f565199c9b7939/FLAGe5c3929c8 [2023-12-03 00:09:26,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/data/783d8fa61/3576c82816b9422c92f565199c9b7939 [2023-12-03 00:09:26,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:09:26,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:09:26,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:26,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:09:26,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:09:26,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff189f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26, skipping insertion in model container [2023-12-03 00:09:26,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:09:26,379 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_115818af-3f80-49f6-a387-855cf896c537/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c[2407,2420] [2023-12-03 00:09:26,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:26,397 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:09:26,426 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_115818af-3f80-49f6-a387-855cf896c537/sv-benchmarks/c/float-newlib/double_req_bl_1052a.c[2407,2420] [2023-12-03 00:09:26,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:26,444 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:09:26,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26 WrapperNode [2023-12-03 00:09:26,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:26,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:26,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:09:26,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:09:26,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,486 INFO L138 Inliner]: procedures = 19, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2023-12-03 00:09:26,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:26,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:09:26,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:09:26,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:09:26,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:09:26,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:09:26,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:09:26,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:09:26,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:26" (1/1) ... [2023-12-03 00:09:26,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:26,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:09:26,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:09:26,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:09:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:09:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 00:09:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 00:09:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:09:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:09:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:09:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:09:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:09:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:09:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:09:26,704 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:09:26,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:09:27,966 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:09:28,071 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:09:28,071 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 00:09:28,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:28 BoogieIcfgContainer [2023-12-03 00:09:28,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:09:28,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:09:28,074 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:09:28,082 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:09:28,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:28" (1/1) ... [2023-12-03 00:09:28,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:09:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-12-03 00:09:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-12-03 00:09:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:09:28,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:28,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:28,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:28,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:28,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:09:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:28,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:28,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:09:28,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:28,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-12-03 00:09:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-03 00:09:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:09:28,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:28,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:28,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:28,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:28,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:09:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:28,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:29,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:09:29,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:29,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-03 00:09:30,376 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 8 treesize of output 4 [2023-12-03 00:09:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:31,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-12-03 00:09:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-12-03 00:09:38,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:09:38,214 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-03 00:09:38,220 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:09:38,530 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2023-12-03 00:09:38,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64, currentRoundingMode : FloatRoundingMode :: ((v_skolemized_q#valueAsBitvector_10[31:0] == ~lx~0 && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && ~hx~0 == v_skolemized_q#valueAsBitvector_10[63:32]) && ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0])) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated [2023-12-03 00:09:38,536 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 00:09:38,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11][4bv32]) && ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0])) == #res) could not be translated [2023-12-03 00:09:38,536 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 00:09:38,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11][4bv32]) && ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0])) == ~x) could not be translated [2023-12-03 00:09:38,537 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:09:38,538 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-03 00:09:38,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:09:38 ImpRootNode [2023-12-03 00:09:38,539 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:09:38,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:09:38,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:09:38,540 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:09:38,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:28" (3/4) ... [2023-12-03 00:09:38,542 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:09:38,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-03 00:09:38,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 00:09:38,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:09:38,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:09:38,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:09:38,644 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:09:38,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:09:38,645 INFO L158 Benchmark]: Toolchain (without parser) took 12448.87ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 64.6MB in the beginning and 81.1MB in the end (delta: -16.5MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-12-03 00:09:38,645 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:38,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.18ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 52.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:09:38,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.34ms. Allocated memory is still 88.1MB. Free memory was 51.8MB in the beginning and 49.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:38,647 INFO L158 Benchmark]: Boogie Preprocessor took 38.45ms. Allocated memory is still 88.1MB. Free memory was 49.9MB in the beginning and 48.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:38,647 INFO L158 Benchmark]: RCFGBuilder took 1546.48ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 42.6MB in the end (delta: 5.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-12-03 00:09:38,648 INFO L158 Benchmark]: CodeCheck took 10465.02ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 42.2MB in the beginning and 49.1MB in the end (delta: -7.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:38,648 INFO L158 Benchmark]: Witness Printer took 104.15ms. Allocated memory is still 107.0MB. Free memory was 49.1MB in the beginning and 81.1MB in the end (delta: -31.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:09:38,650 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 34 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 9 QuantifiedInterpolants, 431 SizeOfPredicates, 12 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 25 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: 108]: 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: 84]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.18ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 52.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.34ms. Allocated memory is still 88.1MB. Free memory was 51.8MB in the beginning and 49.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.45ms. Allocated memory is still 88.1MB. Free memory was 49.9MB in the beginning and 48.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1546.48ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 42.6MB in the end (delta: 5.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * CodeCheck took 10465.02ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 42.2MB in the beginning and 49.1MB in the end (delta: -7.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 104.15ms. Allocated memory is still 107.0MB. Free memory was 49.1MB in the beginning and 81.1MB in the end (delta: -31.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64, currentRoundingMode : FloatRoundingMode :: ((v_skolemized_q#valueAsBitvector_10[31:0] == ~lx~0 && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && ~hx~0 == v_skolemized_q#valueAsBitvector_10[63:32]) && ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0])) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11][4bv32]) && ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0])) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_11][4bv32]) && ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0])) == ~x) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 00:09:38,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115818af-3f80-49f6-a387-855cf896c537/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE