./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0490a.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_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/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_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/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_85772752-3743-4ac4-83ef-24d05731ca63/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 00450c2a22750cd5421841873b924792a96c2bad91f10ba20116646568f64e1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:12:44,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:12:44,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:12:44,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:12:44,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:12:44,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:12:44,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:12:44,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:12:44,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:12:44,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:12:44,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:12:44,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:12:44,866 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:12:44,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:12:44,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:12:44,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:12:44,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:12:44,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:12:44,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:12:44,870 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:12:44,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:12:44,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:12:44,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:12:44,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:12:44,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:12:44,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:12:44,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:12:44,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:12:44,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:12:44,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:12:44,874 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:12:44,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:12:44,874 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:12:44,875 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_85772752-3743-4ac4-83ef-24d05731ca63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00450c2a22750cd5421841873b924792a96c2bad91f10ba20116646568f64e1c [2023-12-03 04:12:45,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:12:45,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:12:45,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:12:45,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:12:45,136 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:12:45,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2023-12-03 04:12:47,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:12:47,966 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:12:47,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2023-12-03 04:12:47,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data/4c72017c1/fa302fd3feb245a0ab15813450ddf8cc/FLAG4b65930da [2023-12-03 04:12:47,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data/4c72017c1/fa302fd3feb245a0ab15813450ddf8cc [2023-12-03 04:12:47,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:12:47,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:12:47,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:12:47,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:12:47,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:12:47,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:12:47" (1/1) ... [2023-12-03 04:12:48,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498b994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48, skipping insertion in model container [2023-12-03 04:12:48,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:12:47" (1/1) ... [2023-12-03 04:12:48,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:12:48,195 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_85772752-3743-4ac4-83ef-24d05731ca63/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c[4369,4382] [2023-12-03 04:12:48,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:12:48,209 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:12:48,259 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_85772752-3743-4ac4-83ef-24d05731ca63/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c[4369,4382] [2023-12-03 04:12:48,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:12:48,274 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:12:48,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48 WrapperNode [2023-12-03 04:12:48,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:12:48,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:12:48,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:12:48,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:12:48,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,317 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2023-12-03 04:12:48,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:12:48,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:12:48,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:12:48,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:12:48,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:12:48,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:12:48,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:12:48,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:12:48,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:12:48,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:12:48,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:12:48,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 04:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 04:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:12:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:12:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:12:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:12:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-12-03 04:12:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-12-03 04:12:48,509 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:12:48,511 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:12:48,764 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:12:48,862 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:12:48,863 INFO L309 CfgBuilder]: Removed 12 assume(true) statements. [2023-12-03 04:12:48,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:12:48 BoogieIcfgContainer [2023-12-03 04:12:48,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:12:48,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:12:48,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:12:48,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:12:48,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:12:48" (1/1) ... [2023-12-03 04:12:48,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:12:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2023-12-03 04:12:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-12-03 04:12:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:12:48,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:12:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:49,050 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 04:12:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2023-12-03 04:12:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2023-12-03 04:12:49,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:12:49,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:49,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:12:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:12:49,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:12:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:12:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:12:49,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:12:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:12:49,254 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 04:12:49,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:12:49 ImpRootNode [2023-12-03 04:12:49,283 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:12:49,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:12:49,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:12:49,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:12:49,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:12:48" (3/4) ... [2023-12-03 04:12:49,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:12:49,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:12:49,288 INFO L158 Benchmark]: Toolchain (without parser) took 1294.33ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 98.8MB in the end (delta: 56.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-12-03 04:12:49,289 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:12:49,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.47ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 155.4MB in the end (delta: -136.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:12:49,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.82ms. Allocated memory is still 188.7MB. Free memory was 155.4MB in the beginning and 153.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:12:49,291 INFO L158 Benchmark]: Boogie Preprocessor took 36.25ms. Allocated memory is still 188.7MB. Free memory was 153.4MB in the beginning and 151.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:12:49,291 INFO L158 Benchmark]: RCFGBuilder took 508.93ms. Allocated memory is still 188.7MB. Free memory was 151.3MB in the beginning and 123.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 04:12:49,292 INFO L158 Benchmark]: CodeCheck took 417.99ms. Allocated memory is still 188.7MB. Free memory was 123.0MB in the beginning and 98.8MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 04:12:49,292 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 188.7MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:12:49,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 175]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 108. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L170] float x = 1.0f / 0.0f; [L171] CALL, EXPR __ieee754_acosf(x) [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [\old(x)=2, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L99] ieee_float_shape_type gf_u; [L100] EXPR gf_u.value = (x) [L101] EXPR gf_u.word [L101] EXPR (hx) = gf_u.word [L98-L102] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=2, hx=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L103] ix = hx & 0x7fffffff VAL [\old(x)=2, hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L104] COND TRUE ix == 0x3f800000 [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [\old(x)=2, \result=0, hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L171] RET, EXPR __ieee754_acosf(x) [L171] float res = __ieee754_acosf(x); [L174] CALL, EXPR isnan_float(res) [L15] return x != x; [L174] RET, EXPR isnan_float(res) [L174] COND TRUE !isnan_float(res) [L175] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.47ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 155.4MB in the end (delta: -136.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.82ms. Allocated memory is still 188.7MB. Free memory was 155.4MB in the beginning and 153.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.25ms. Allocated memory is still 188.7MB. Free memory was 153.4MB in the beginning and 151.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.93ms. Allocated memory is still 188.7MB. Free memory was 151.3MB in the beginning and 123.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 417.99ms. Allocated memory is still 188.7MB. Free memory was 123.0MB in the beginning and 98.8MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 188.7MB. Free memory is still 98.8MB. 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 04:12:49,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/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_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/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_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/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_85772752-3743-4ac4-83ef-24d05731ca63/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 00450c2a22750cd5421841873b924792a96c2bad91f10ba20116646568f64e1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:12:51,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:12:51,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:12:51,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:12:51,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:12:51,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:12:51,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:12:51,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:12:51,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:12:51,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:12:51,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:12:51,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:12:51,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:12:51,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:12:51,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:12:51,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:12:51,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:12:51,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:12:51,287 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:12:51,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:12:51,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:12:51,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:12:51,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:12:51,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:12:51,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:12:51,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:51,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:12:51,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:12:51,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:12:51,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:12:51,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:12:51,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:12:51,292 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:12:51,293 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:51,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:12:51,293 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:12:51,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:12:51,294 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_85772752-3743-4ac4-83ef-24d05731ca63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00450c2a22750cd5421841873b924792a96c2bad91f10ba20116646568f64e1c [2023-12-03 04:12:51,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:12:51,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:12:51,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:12:51,611 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:12:51,611 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:12:51,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2023-12-03 04:12:54,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:12:54,608 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:12:54,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c [2023-12-03 04:12:54,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data/1c3148d62/5f04493dcb944455a23b618472d48d79/FLAGa203ea48c [2023-12-03 04:12:54,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/data/1c3148d62/5f04493dcb944455a23b618472d48d79 [2023-12-03 04:12:54,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:12:54,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:12:54,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:12:54,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:12:54,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:12:54,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db04f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54, skipping insertion in model container [2023-12-03 04:12:54,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:12:54,837 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_85772752-3743-4ac4-83ef-24d05731ca63/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c[4369,4382] [2023-12-03 04:12:54,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:12:54,855 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:12:54,896 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_85772752-3743-4ac4-83ef-24d05731ca63/sv-benchmarks/c/float-newlib/float_req_bl_0490a.c[4369,4382] [2023-12-03 04:12:54,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:12:54,913 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:12:54,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54 WrapperNode [2023-12-03 04:12:54,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:12:54,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:12:54,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:12:54,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:12:54,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,960 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2023-12-03 04:12:54,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:12:54,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:12:54,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:12:54,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:12:54,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:54,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:55,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:55,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:55,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:12:55,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:12:55,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:12:55,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:12:55,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:54" (1/1) ... [2023-12-03 04:12:55,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:12:55,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:12:55,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:12:55,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:12:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:12:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:12:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:12:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 04:12:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:12:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:12:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:12:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 04:12:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:12:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:12:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-12-03 04:12:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-12-03 04:12:55,171 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:12:55,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:13:37,854 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:13:37,932 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:13:37,932 INFO L309 CfgBuilder]: Removed 12 assume(true) statements. [2023-12-03 04:13:37,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:13:37 BoogieIcfgContainer [2023-12-03 04:13:37,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:13:37,935 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:13:37,935 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:13:37,942 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:13:37,942 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:13:37" (1/1) ... [2023-12-03 04:13:37,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:13:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:37,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-12-03 04:13:37,995 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-12-03 04:13:37,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:13:37,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:37,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:37,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:37,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:38,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:13:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:38,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:38,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:13:38,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:38,681 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 04:13:38,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:13:49,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-12-03 04:13:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-12-03 04:13:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:13:50,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:50,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:50,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:50,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:50,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:13:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:51,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:51,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:13:51,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:51,552 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:13:51,553 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-12-03 04:13:51,824 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 04:13:51,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:13:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-12-03 04:13:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-12-03 04:13:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:13:53,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:53,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:53,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:13:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:54,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:55,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 04:13:55,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:55,776 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 04:13:55,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:14:09,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:14:20,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:14:32,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:14:36,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:14:46,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:14:57,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:14:58,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:15:02,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:15:02,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-12-03 04:15:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-12-03 04:15:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:15:02,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:02,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:02,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:02,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:15:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:04,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:05,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:15:05,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:05,075 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:15:05,076 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-12-03 04:15:05,225 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 04:15:05,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:15:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2023-12-03 04:15:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-12-03 04:15:06,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:15:06,938 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-03 04:15:06,943 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:15:07,298 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:15:07,300 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-03 04:15:07,303 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-12-03 04:15:07,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: #res == ~fp.div~32(currentRoundingMode, ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())), ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())))) could not be translated [2023-12-03 04:15:07,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:15:07 ImpRootNode [2023-12-03 04:15:07,307 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:15:07,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:15:07,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:15:07,307 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:15:07,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:13:37" (3/4) ... [2023-12-03 04:15:07,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:15:07,312 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2023-12-03 04:15:07,318 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2023-12-03 04:15:07,319 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 04:15:07,319 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:15:07,320 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:15:07,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:15:07,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:15:07,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:15:07,412 INFO L158 Benchmark]: Toolchain (without parser) took 132775.24ms. Allocated memory is still 121.6MB. Free memory was 98.5MB in the beginning and 47.7MB in the end (delta: 50.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-12-03 04:15:07,412 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:15:07,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.07ms. Allocated memory is still 121.6MB. Free memory was 98.5MB in the beginning and 84.1MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:15:07,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.78ms. Allocated memory is still 121.6MB. Free memory was 84.1MB in the beginning and 82.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:15:07,414 INFO L158 Benchmark]: Boogie Preprocessor took 46.22ms. Allocated memory is still 121.6MB. Free memory was 82.1MB in the beginning and 79.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:15:07,414 INFO L158 Benchmark]: RCFGBuilder took 42925.10ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 89.2MB in the end (delta: -9.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-12-03 04:15:07,415 INFO L158 Benchmark]: CodeCheck took 89372.25ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 54.0MB in the end (delta: 35.2MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-12-03 04:15:07,415 INFO L158 Benchmark]: Witness Printer took 104.30ms. Allocated memory is still 121.6MB. Free memory was 54.0MB in the beginning and 47.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:15:07,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 89.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 176.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 160.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 51 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 252 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 9 QuantifiedInterpolants, 233 SizeOfPredicates, 22 NumberOfNonLiveVariables, 203 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 175]: 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: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.07ms. Allocated memory is still 121.6MB. Free memory was 98.5MB in the beginning and 84.1MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.78ms. Allocated memory is still 121.6MB. Free memory was 84.1MB in the beginning and 82.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.22ms. Allocated memory is still 121.6MB. Free memory was 82.1MB in the beginning and 79.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 42925.10ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 89.2MB in the end (delta: -9.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * CodeCheck took 89372.25ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 54.0MB in the end (delta: 35.2MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 104.30ms. Allocated memory is still 121.6MB. Free memory was 54.0MB in the beginning and 47.7MB 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 :: #res == ~fp.div~32(currentRoundingMode, ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())), ~fp.sub~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())))) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 04:15:07,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85772752-3743-4ac4-83ef-24d05731ca63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE