./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/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_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/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_76fbbe65-da40-4184-8e67-6e796aff8461/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 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:55:14,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:55:14,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:55:14,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:55:14,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:55:14,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:55:14,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:55:14,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:55:14,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:55:14,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:55:14,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:55:14,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:55:14,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:55:14,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:55:14,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:55:14,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:55:14,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:55:14,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:55:14,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:55:14,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:55:14,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:55:14,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:55:14,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:55:14,663 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:55:14,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:55:14,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:55:14,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:14,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:55:14,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:55:14,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:55:14,666 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:55:14,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:55:14,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:55:14,667 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_76fbbe65-da40-4184-8e67-6e796aff8461/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2023-12-02 23:55:14,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:55:14,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:55:14,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:55:14,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:55:14,910 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:55:14,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2023-12-02 23:55:17,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:55:17,859 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:55:17,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2023-12-02 23:55:17,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data/05cd26e8f/eac1e96b89614fdfaace694ed0fb9e6f/FLAG3f0fbd871 [2023-12-02 23:55:17,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data/05cd26e8f/eac1e96b89614fdfaace694ed0fb9e6f [2023-12-02 23:55:17,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:55:17,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:55:17,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:17,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:55:17,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:55:17,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:17" (1/1) ... [2023-12-02 23:55:17,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4536f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:17, skipping insertion in model container [2023-12-02 23:55:17,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:17" (1/1) ... [2023-12-02 23:55:17,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:55:18,100 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_76fbbe65-da40-4184-8e67-6e796aff8461/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2023-12-02 23:55:18,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:18,115 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:55:18,151 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_76fbbe65-da40-4184-8e67-6e796aff8461/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2023-12-02 23:55:18,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:18,167 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:55:18,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18 WrapperNode [2023-12-02 23:55:18,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:18,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:18,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:55:18,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:55:18,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,218 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 248 [2023-12-02 23:55:18,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:18,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:55:18,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:55:18,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:55:18,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:55:18,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:55:18,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:55:18,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:55:18,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:18,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:55:18,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:55:18,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:55:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:55:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:55:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:55:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 23:55:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:55:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 23:55:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:55:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:55:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:55:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:55:18,422 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:55:18,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:55:18,706 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:55:18,903 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:55:18,904 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 23:55:18,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:18 BoogieIcfgContainer [2023-12-02 23:55:18,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:55:18,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:55:18,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:55:18,917 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:55:18,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:18" (1/1) ... [2023-12-02 23:55:18,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:55:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-02 23:55:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-02 23:55:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:55:18,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:18,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:55:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-02 23:55:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-02 23:55:19,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:55:19,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:19,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:19,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:55:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:19,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:55:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:19,674 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:55:19,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-12-02 23:55:19,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:55:19 ImpRootNode [2023-12-02 23:55:19,710 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:55:19,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:55:19,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:55:19,711 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:55:19,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:18" (3/4) ... [2023-12-02 23:55:19,713 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:55:19,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:55:19,715 INFO L158 Benchmark]: Toolchain (without parser) took 1825.80ms. Allocated memory is still 195.0MB. Free memory was 155.0MB in the beginning and 140.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-12-02 23:55:19,716 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:55:19,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.63ms. Allocated memory is still 195.0MB. Free memory was 154.9MB in the beginning and 142.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:55:19,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.77ms. Allocated memory is still 195.0MB. Free memory was 142.3MB in the beginning and 139.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:55:19,718 INFO L158 Benchmark]: Boogie Preprocessor took 38.70ms. Allocated memory is still 195.0MB. Free memory was 139.2MB in the beginning and 137.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:55:19,718 INFO L158 Benchmark]: RCFGBuilder took 646.71ms. Allocated memory is still 195.0MB. Free memory was 137.1MB in the beginning and 89.8MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 23:55:19,719 INFO L158 Benchmark]: CodeCheck took 803.19ms. Allocated memory is still 195.0MB. Free memory was 88.9MB in the beginning and 141.9MB in the end (delta: -53.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:55:19,719 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 195.0MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:55:19,722 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, 22 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, 32 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 139]: 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 29, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L134] double x = -0.0; [L135] CALL, EXPR __ieee754_log(x) [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=2, zero=0] [L53] ieee_double_shape_type ew_u; [L54] EXPR ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] EXPR (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] EXPR (lx) = ew_u.parts.lsw [L52-L57] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=-2147483648, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=0, two54_log=18014398509481984, x=2, zero=0] [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=-2147483648, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=0, two54_log=18014398509481984, x=2, zero=0] [L60] COND TRUE hx < 0x00100000 [L61] EXPR (hx & 0x7fffffff) | lx VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=-2147483648, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=0, two54_log=18014398509481984, x=2, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=-2147483648, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=0, two54_log=18014398509481984, x=2, zero=0] [L135] RET, EXPR __ieee754_log(x) [L135] double res = __ieee754_log(x); [L138] CALL, EXPR isinf_double(res) [L21] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=3, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=3, zero=0] [L23] ieee_double_shape_type ew_u; [L24] EXPR ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] EXPR (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] EXPR (lx) = ew_u.parts.lsw [L22-L27] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=3, hx=2147483647, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=-2, two54_log=18014398509481984, x=3, zero=0] [L28] hx &= 0x7fffffff [L29] EXPR lx | (-lx) [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] EXPR hx | (-hx) [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L138] RET, EXPR isinf_double(res) [L138] COND TRUE !isinf_double(res) [L139] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=3, two54_log=18014398509481984, x=2, zero=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.63ms. Allocated memory is still 195.0MB. Free memory was 154.9MB in the beginning and 142.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.77ms. Allocated memory is still 195.0MB. Free memory was 142.3MB in the beginning and 139.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.70ms. Allocated memory is still 195.0MB. Free memory was 139.2MB in the beginning and 137.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.71ms. Allocated memory is still 195.0MB. Free memory was 137.1MB in the beginning and 89.8MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 803.19ms. Allocated memory is still 195.0MB. Free memory was 88.9MB in the beginning and 141.9MB in the end (delta: -53.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 195.0MB. Free memory is still 140.8MB. 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~nondet11 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 [2023-12-02 23:55:19,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/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_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/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_76fbbe65-da40-4184-8e67-6e796aff8461/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 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:55:21,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:55:21,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:55:21,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:55:21,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:55:21,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:55:21,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:55:21,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:55:21,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:55:21,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:55:21,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:55:21,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:55:21,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:55:21,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:55:21,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:55:21,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:55:21,818 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:55:21,819 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:55:21,819 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:55:21,820 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:55:21,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:55:21,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:55:21,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:55:21,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:55:21,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:55:21,823 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:21,824 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:55:21,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:55:21,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:21,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:55:21,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:55:21,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:55:21,826 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:55:21,826 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:21,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:55:21,827 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:55:21,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:55:21,827 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_76fbbe65-da40-4184-8e67-6e796aff8461/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2023-12-02 23:55:22,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:55:22,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:55:22,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:55:22,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:55:22,166 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:55:22,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2023-12-02 23:55:24,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:55:25,063 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:55:25,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2023-12-02 23:55:25,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data/6832dde8c/44a9adf0410d45b595c12d6664b0d412/FLAG926002362 [2023-12-02 23:55:25,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/data/6832dde8c/44a9adf0410d45b595c12d6664b0d412 [2023-12-02 23:55:25,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:55:25,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:55:25,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:25,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:55:25,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:55:25,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793e0525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25, skipping insertion in model container [2023-12-02 23:55:25,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:55:25,307 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_76fbbe65-da40-4184-8e67-6e796aff8461/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2023-12-02 23:55:25,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:25,326 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:55:25,361 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_76fbbe65-da40-4184-8e67-6e796aff8461/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2023-12-02 23:55:25,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:25,381 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:55:25,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25 WrapperNode [2023-12-02 23:55:25,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:25,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:25,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:55:25,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:55:25,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,429 INFO L138 Inliner]: procedures = 20, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2023-12-02 23:55:25,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:25,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:55:25,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:55:25,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:55:25,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:55:25,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:55:25,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:55:25,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:55:25,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:25" (1/1) ... [2023-12-02 23:55:25,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:55:25,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:55:25,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:55:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 23:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 23:55:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:55:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:55:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:55:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:55:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:55:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:55:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:55:25,674 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:55:25,676 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:57:01,357 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:57:01,423 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:57:01,423 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 23:57:01,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:01 BoogieIcfgContainer [2023-12-02 23:57:01,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:57:01,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:57:01,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:57:01,433 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:57:01,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:01" (1/1) ... [2023-12-02 23:57:01,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:57:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-02 23:57:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-02 23:57:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:57:01,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:01,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:01,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:01,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:57:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:01,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:01,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:57:01,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:57:02,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:57:12,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:57:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:57:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-02 23:57:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-02 23:57:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:57:13,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:57:13,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:13,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:57:13,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:57:13,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:57:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:15,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:57:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:57:18,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:57:18,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:57:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:57:20,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:57:22,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:57:33,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:57:43,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.00s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:57:50,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:02,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:13,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:15,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:18,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:28,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:40,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:42,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:58:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-02 23:58:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-02 23:58:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:58:45,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:45,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:45,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:45,566 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:45,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:58:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:46,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:46,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:58:46,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:48,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:58:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-12-02 23:58:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-12-02 23:58:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:58:58,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:58,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:58,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:58,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:58,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:59:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:00,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:01,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:59:01,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:59:03,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:59:13,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:59:16,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:59:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-12-02 23:59:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-12-02 23:59:18,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:59:18,698 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-02 23:59:18,705 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:59:20,163 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-12-02 23:59:20,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: #res == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~64())) could not be translated [2023-12-02 23:59:20,170 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-12-02 23:59:20,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 23:59:20,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 23:59:20,173 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-12-02 23:59:20,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~64()) == ~x) could not be translated [2023-12-02 23:59:20,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:59:20,174 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-12-02 23:59:20,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~64()) && ~hx~0 == v_skolemized_q#valueAsBitvector_13[63:32]) && ~lx~0 == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated [2023-12-02 23:59:20,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:59:20 ImpRootNode [2023-12-02 23:59:20,175 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:59:20,176 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:59:20,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:59:20,176 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:59:20,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:01" (3/4) ... [2023-12-02 23:59:20,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:59:20,188 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-12-02 23:59:20,189 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 23:59:20,189 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:59:20,190 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:59:20,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:59:20,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:59:20,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:59:20,288 INFO L158 Benchmark]: Toolchain (without parser) took 235197.11ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 62.0MB in the beginning and 82.2MB in the end (delta: -20.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-02 23:59:20,288 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:20,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.51ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 48.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:59:20,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.88ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:20,289 INFO L158 Benchmark]: Boogie Preprocessor took 39.58ms. Allocated memory is still 86.0MB. Free memory was 46.1MB in the beginning and 44.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:20,290 INFO L158 Benchmark]: RCFGBuilder took 95954.08ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 44.0MB in the beginning and 91.3MB in the end (delta: -47.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-12-02 23:59:20,290 INFO L158 Benchmark]: CodeCheck took 138749.40ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 88.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-12-02 23:59:20,290 INFO L158 Benchmark]: Witness Printer took 111.12ms. Allocated memory is still 134.2MB. Free memory was 88.5MB in the beginning and 82.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:59:20,292 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 137.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 293.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 259.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 103 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 381 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 25.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 13 QuantifiedInterpolants, 348 SizeOfPredicates, 20 NumberOfNonLiveVariables, 245 ConjunctsInSsa, 33 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: 139]: 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: 47]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.51ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 48.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.88ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.58ms. Allocated memory is still 86.0MB. Free memory was 46.1MB in the beginning and 44.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 95954.08ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 44.0MB in the beginning and 91.3MB in the end (delta: -47.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * CodeCheck took 138749.40ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 88.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 111.12ms. Allocated memory is still 134.2MB. Free memory was 88.5MB in the beginning and 82.2MB 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~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~64()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~64()) && ~hx~0 == v_skolemized_q#valueAsBitvector_13[63:32]) && ~lx~0 == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 23:59:20,502 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:59:20,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76fbbe65-da40-4184-8e67-6e796aff8461/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE