./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.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_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/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_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/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_8e959e1c-842c-4750-a84b-0633f1d57773/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 f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:54:12,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:54:13,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:54:13,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:54:13,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:54:13,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:54:13,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:54:13,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:54:13,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:54:13,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:54:13,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:54:13,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:54:13,077 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:54:13,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:54:13,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:54:13,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:54:13,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:54:13,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:54:13,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:54:13,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:54:13,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:54:13,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:54:13,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:54:13,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:54:13,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:54:13,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:54:13,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:54:13,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:54:13,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:54:13,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:54:13,087 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:54:13,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:54:13,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:54:13,087 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_8e959e1c-842c-4750-a84b-0633f1d57773/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2023-12-03 04:54:13,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:54:13,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:54:13,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:54:13,334 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:54:13,334 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:54:13,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2023-12-03 04:54:16,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:54:16,407 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:54:16,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2023-12-03 04:54:16,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data/4d476f4d5/baf09787e19247d59a6d946ad18e8cb2/FLAGea21c6169 [2023-12-03 04:54:16,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data/4d476f4d5/baf09787e19247d59a6d946ad18e8cb2 [2023-12-03 04:54:16,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:54:16,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:54:16,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:54:16,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:54:16,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:54:16,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cc5413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16, skipping insertion in model container [2023-12-03 04:54:16,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:54:16,697 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_8e959e1c-842c-4750-a84b-0633f1d57773/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2023-12-03 04:54:16,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:54:16,713 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:54:16,758 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_8e959e1c-842c-4750-a84b-0633f1d57773/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2023-12-03 04:54:16,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:54:16,776 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:54:16,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16 WrapperNode [2023-12-03 04:54:16,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:54:16,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:54:16,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:54:16,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:54:16,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,836 INFO L138 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 354 [2023-12-03 04:54:16,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:54:16,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:54:16,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:54:16,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:54:16,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:54:16,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:54:16,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:54:16,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:54:16,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:16" (1/1) ... [2023-12-03 04:54:16,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:54:16,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:54:16,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:54:16,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:54:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:54:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:54:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:54:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 04:54:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:54:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 04:54:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:54:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:54:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:54:16,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:54:17,044 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:54:17,046 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:54:17,536 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:54:17,919 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:54:17,919 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 04:54:17,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:54:17 BoogieIcfgContainer [2023-12-03 04:54:17,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:54:17,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:54:17,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:54:17,932 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:54:17,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:54:17" (1/1) ... [2023-12-03 04:54:17,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:54:17,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-12-03 04:54:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-12-03 04:54:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:54:17,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:54:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:18,175 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 04:54:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-12-03 04:54:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-12-03 04:54:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:54:18,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:18,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:54:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:54:18,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:54:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:54:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:54:18,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:54:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:54:18,628 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 04:54:18,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-12-03 04:54:18,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:54:18 ImpRootNode [2023-12-03 04:54:18,662 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:54:18,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:54:18,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:54:18,663 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:54:18,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:54:17" (3/4) ... [2023-12-03 04:54:18,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:54:18,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:54:18,668 INFO L158 Benchmark]: Toolchain (without parser) took 2228.44ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 86.5MB in the end (delta: 32.7MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-12-03 04:54:18,669 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 73.9MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:54:18,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.84ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 106.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:54:18,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.83ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 102.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:54:18,671 INFO L158 Benchmark]: Boogie Preprocessor took 45.16ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:54:18,671 INFO L158 Benchmark]: RCFGBuilder took 1038.47ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 67.1MB in the end (delta: 33.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-12-03 04:54:18,672 INFO L158 Benchmark]: CodeCheck took 740.04ms. Allocated memory is still 155.2MB. Free memory was 67.1MB in the beginning and 86.5MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:54:18,672 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 155.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:54:18,676 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, 29 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, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 162]: 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 144, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L157] double x = 1.0 / 0.0; [L158] CALL, EXPR __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=2, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L31] ieee_double_shape_type ew_u; [L32] EXPR ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] EXPR (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] EXPR (ix1) = ew_u.parts.lsw [L30-L35] { ieee_double_shape_type ew_u; ew_u.value = (x); (ix0) = ew_u.parts.msw; (ix1) = ew_u.parts.lsw; } VAL [\old(x)=2, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L37] EXPR ix0 & 0x7ff00000 VAL [\old(x)=2, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [\old(x)=2, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L158] RET, EXPR __ieee754_sqrt(x) [L158] double res = __ieee754_sqrt(x); [L161] CALL, EXPR isinf_double(res) [L136] __int32_t hx, lx; VAL [\old(x)=4, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4] [L138] ieee_double_shape_type ew_u; [L139] EXPR ew_u.value = (x) [L140] EXPR ew_u.parts.msw [L140] EXPR (hx) = ew_u.parts.msw [L141] EXPR ew_u.parts.lsw [L141] EXPR (lx) = ew_u.parts.lsw [L137-L142] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=4, hx=-2147483646, lx=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4] [L143] hx &= 0x7fffffff [L144] EXPR lx | (-lx) [L144] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L145] hx = 0x7ff00000 - hx [L146] EXPR hx | (-hx) [L146] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L161] RET, EXPR isinf_double(res) [L161] COND TRUE !isinf_double(res) [L162] reach_error() VAL [one_sqrt=1, res=4, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 73.9MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.84ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 106.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.83ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 102.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.16ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1038.47ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 67.1MB in the end (delta: 33.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * CodeCheck took 740.04ms. Allocated memory is still 155.2MB. Free memory was 67.1MB in the beginning and 86.5MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 155.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:54:18,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/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_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/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_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/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_8e959e1c-842c-4750-a84b-0633f1d57773/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 f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:54:20,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:54:20,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:54:20,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:54:20,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:54:20,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:54:20,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:54:20,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:54:20,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:54:20,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:54:20,807 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:54:20,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:54:20,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:54:20,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:54:20,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:54:20,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:54:20,810 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:54:20,810 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:54:20,811 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:54:20,811 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:54:20,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:54:20,816 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:54:20,817 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:54:20,817 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:54:20,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:54:20,818 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:20,818 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:54:20,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:54:20,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:54:20,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:54:20,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:54:20,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:54:20,821 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:54:20,821 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:20,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:54:20,822 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:54:20,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:54:20,822 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_8e959e1c-842c-4750-a84b-0633f1d57773/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2023-12-03 04:54:21,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:54:21,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:54:21,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:54:21,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:54:21,140 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:54:21,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2023-12-03 04:54:23,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:54:24,170 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:54:24,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2023-12-03 04:54:24,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data/f36f71058/f8daa97521d94410bd1820a09ab18e5f/FLAG27c5dbe2a [2023-12-03 04:54:24,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/data/f36f71058/f8daa97521d94410bd1820a09ab18e5f [2023-12-03 04:54:24,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:54:24,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:54:24,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:54:24,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:54:24,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:54:24,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7462e4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24, skipping insertion in model container [2023-12-03 04:54:24,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:54:24,414 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_8e959e1c-842c-4750-a84b-0633f1d57773/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2023-12-03 04:54:24,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:54:24,434 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:54:24,473 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_8e959e1c-842c-4750-a84b-0633f1d57773/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2023-12-03 04:54:24,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:54:24,493 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:54:24,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24 WrapperNode [2023-12-03 04:54:24,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:54:24,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:54:24,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:54:24,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:54:24,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,545 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 184 [2023-12-03 04:54:24,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:54:24,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:54:24,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:54:24,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:54:24,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:54:24,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:54:24,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:54:24,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:54:24,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:54:24" (1/1) ... [2023-12-03 04:54:24,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:54:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:54:24,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:54:24,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:54:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:54:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 04:54:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 04:54:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:54:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:54:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:54:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:54:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:54:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:54:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:54:24,790 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:54:24,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:54:28,382 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:54:28,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:54:28,514 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 04:54:28,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:54:28 BoogieIcfgContainer [2023-12-03 04:54:28,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:54:28,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:54:28,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:54:28,525 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:54:28,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:54:28" (1/1) ... [2023-12-03 04:54:28,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:54:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 04:54:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 04:54:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:54:28,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:28,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:28,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:28,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:28,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:54:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:28,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:28,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:54:28,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:28,839 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 04:54:28,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:54:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-12-03 04:54:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-12-03 04:54:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:28,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:28,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:28,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:28,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:54:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:29,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:29,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 04:54:29,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:30,832 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 04:54:30,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:54:38,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:54:42,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:54:46,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:54:48,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:54:58,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:55:03,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:55:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-12-03 04:55:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-12-03 04:55:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:55:05,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:05,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:05,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:05,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:05,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:55:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:05,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:05,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:55:05,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:07,038 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 04:55:07,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 04:55:07,046 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:55:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2023-12-03 04:55:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-12-03 04:55:11,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:55:11,776 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 04:55:11,784 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:55:12,182 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-12-03 04:55:12,189 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-12-03 04:55:12,190 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-03 04:55:12,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) == ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~lx~0 == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == ~hx~0) could not be translated [2023-12-03 04:55:12,191 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:55:12,191 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-12-03 04:55:12,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) == ~x) could not be translated [2023-12-03 04:55:12,192 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-12-03 04:55:12,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) == #res) could not be translated [2023-12-03 04:55:12,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:55:12 ImpRootNode [2023-12-03 04:55:12,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:55:12,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:55:12,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:55:12,194 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:55:12,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:54:28" (3/4) ... [2023-12-03 04:55:12,196 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:55:12,204 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-12-03 04:55:12,205 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-03 04:55:12,205 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:55:12,206 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:55:12,316 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:55:12,317 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:55:12,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:55:12,318 INFO L158 Benchmark]: Toolchain (without parser) took 48115.36ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 54.3MB in the end (delta: 22.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-12-03 04:55:12,319 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 89.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:55:12,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.57ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 62.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:55:12,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:55:12,320 INFO L158 Benchmark]: Boogie Preprocessor took 44.40ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 58.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:55:12,320 INFO L158 Benchmark]: RCFGBuilder took 3924.63ms. Allocated memory is still 100.7MB. Free memory was 58.7MB in the beginning and 40.7MB in the end (delta: 18.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-03 04:55:12,321 INFO L158 Benchmark]: CodeCheck took 43675.55ms. Allocated memory is still 100.7MB. Free memory was 40.7MB in the beginning and 60.6MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:55:12,321 INFO L158 Benchmark]: Witness Printer took 124.33ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 54.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:55:12,323 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 66.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 61.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 51 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 10 QuantifiedInterpolants, 350 SizeOfPredicates, 18 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 162]: 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: 30]: Loop Invariant Derived loop invariant: (sign == -2147483648) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 89.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.57ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 62.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.40ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 58.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3924.63ms. Allocated memory is still 100.7MB. Free memory was 58.7MB in the beginning and 40.7MB in the end (delta: 18.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * CodeCheck took 43675.55ms. Allocated memory is still 100.7MB. Free memory was 40.7MB in the beginning and 60.6MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.33ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 54.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) == ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~lx~0 == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == ~hx~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) == #res) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 04:55:12,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e959e1c-842c-4750-a84b-0633f1d57773/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