./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.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_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/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_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/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_8748f525-89d2-427e-92c8-7e51e1008b63/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 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:58:29,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:58:29,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:58:29,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:58:29,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:58:29,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:58:29,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:58:29,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:58:29,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:58:29,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:58:29,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:58:29,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:58:29,279 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:58:29,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:58:29,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:58:29,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:58:29,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:58:29,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:58:29,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:58:29,283 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:58:29,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:58:29,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:58:29,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:58:29,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:58:29,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:58:29,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:58:29,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:58:29,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:58:29,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:58:29,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:58:29,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:58:29,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:58:29,288 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:58:29,289 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_8748f525-89d2-427e-92c8-7e51e1008b63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2023-12-02 22:58:29,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:58:29,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:58:29,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:58:29,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:58:29,535 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:58:29,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-12-02 22:58:32,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:58:32,377 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:58:32,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-12-02 22:58:32,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data/ed1ba6634/d630f3fdfa364a4f947065f92b60cc53/FLAG3cf7307f6 [2023-12-02 22:58:32,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data/ed1ba6634/d630f3fdfa364a4f947065f92b60cc53 [2023-12-02 22:58:32,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:58:32,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:58:32,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:58:32,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:58:32,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:58:32,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bd197c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32, skipping insertion in model container [2023-12-02 22:58:32,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,425 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:58:32,556 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_8748f525-89d2-427e-92c8-7e51e1008b63/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-12-02 22:58:32,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:58:32,567 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:58:32,584 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_8748f525-89d2-427e-92c8-7e51e1008b63/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-12-02 22:58:32,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:58:32,597 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:58:32,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32 WrapperNode [2023-12-02 22:58:32,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:58:32,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:58:32,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:58:32,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:58:32,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,627 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-12-02 22:58:32,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:58:32,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:58:32,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:58:32,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:58:32,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:58:32,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:58:32,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:58:32,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:58:32,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:58:32,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:58:32,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:58:32,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:58:32,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:58:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:58:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:58:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 22:58:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:58:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 22:58:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:58:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:58:32,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:58:32,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:58:32,816 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:58:32,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:58:32,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:58:32,974 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:58:32,974 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 22:58:32,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:32 BoogieIcfgContainer [2023-12-02 22:58:32,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:58:32,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:58:32,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:58:32,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:58:32,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:32" (1/1) ... [2023-12-02 22:58:32,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:58:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-12-02 22:58:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-12-02 22:58:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:58:33,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:33,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:33,181 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 22:58:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 22:58:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 22:58:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:58:33,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:33,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:33,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:58:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:33,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:58:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:58:33,355 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:58:33,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-12-02 22:58:33,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:58:33 ImpRootNode [2023-12-02 22:58:33,384 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:58:33,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:58:33,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:58:33,385 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:58:33,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:32" (3/4) ... [2023-12-02 22:58:33,388 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:58:33,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:58:33,390 INFO L158 Benchmark]: Toolchain (without parser) took 991.26ms. Allocated memory is still 176.2MB. Free memory was 136.7MB in the beginning and 91.8MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 22:58:33,391 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory was 120.1MB in the beginning and 120.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:58:33,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.92ms. Allocated memory is still 176.2MB. Free memory was 136.3MB in the beginning and 125.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:58:33,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.33ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 124.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:58:33,393 INFO L158 Benchmark]: Boogie Preprocessor took 26.38ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 122.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:58:33,393 INFO L158 Benchmark]: RCFGBuilder took 321.11ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 110.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:58:33,394 INFO L158 Benchmark]: CodeCheck took 407.44ms. Allocated memory is still 176.2MB. Free memory was 110.6MB in the beginning and 91.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:58:33,394 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 176.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:58:33,398 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 16 NumberOfCodeBlocks, 16 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: 52]: 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 51, overapproximation of someUnaryFLOAToperation at line 47. Possible FailurePath: [L47] float x = -0.0f; [L48] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; VAL [\old(x)=2, x=2] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (ix) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, ix=2147483648, x=2] [L22] ieee_float_shape_type sf_u; [L23] EXPR sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] EXPR (x) = sf_u.value [L21-L25] { ieee_float_shape_type sf_u; sf_u.word = (ix & 0x7fffffff); (x) = sf_u.value; } VAL [\old(x)=2, ix=2147483648, x=3] [L26] return x; [L48] RET, EXPR fabs_float(x) [L48] float res = fabs_float(x); [L51] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=3, x=2] [L51] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L52] reach_error() VAL [res=3, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory was 120.1MB in the beginning and 120.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.92ms. Allocated memory is still 176.2MB. Free memory was 136.3MB in the beginning and 125.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.33ms. Allocated memory is still 176.2MB. Free memory was 125.8MB in the beginning and 124.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.38ms. Allocated memory is still 176.2MB. Free memory was 124.2MB in the beginning and 122.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.11ms. Allocated memory is still 176.2MB. Free memory was 122.7MB in the beginning and 110.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 407.44ms. Allocated memory is still 176.2MB. Free memory was 110.6MB in the beginning and 91.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 176.2MB. Free memory is still 91.8MB. 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~short9 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 22:58:33,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/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_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/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_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/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_8748f525-89d2-427e-92c8-7e51e1008b63/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 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:58:35,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:58:35,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:58:35,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:58:35,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:58:35,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:58:35,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:58:35,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:58:35,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:58:35,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:58:35,478 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:58:35,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:58:35,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:58:35,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:58:35,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:58:35,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:58:35,482 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:58:35,482 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:58:35,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:58:35,483 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:58:35,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:58:35,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:58:35,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:58:35,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:58:35,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:58:35,489 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:35,489 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:58:35,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:58:35,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:58:35,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:58:35,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:58:35,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:58:35,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:58:35,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:35,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:58:35,492 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:58:35,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:58:35,493 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_8748f525-89d2-427e-92c8-7e51e1008b63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2023-12-02 22:58:35,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:58:35,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:58:35,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:58:35,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:58:35,812 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:58:35,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-12-02 22:58:38,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:58:38,762 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:58:38,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-12-02 22:58:38,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data/2f9fdd898/484f1b7ccf114411bedda07e166df3cb/FLAG1f3abd596 [2023-12-02 22:58:38,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/data/2f9fdd898/484f1b7ccf114411bedda07e166df3cb [2023-12-02 22:58:38,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:58:38,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:58:38,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:58:38,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:58:38,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:58:38,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:58:38" (1/1) ... [2023-12-02 22:58:38,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3600c1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:38, skipping insertion in model container [2023-12-02 22:58:38,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:58:38" (1/1) ... [2023-12-02 22:58:38,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:58:38,952 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_8748f525-89d2-427e-92c8-7e51e1008b63/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-12-02 22:58:38,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:58:38,969 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:58:38,988 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_8748f525-89d2-427e-92c8-7e51e1008b63/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-12-02 22:58:38,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:58:39,004 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:58:39,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39 WrapperNode [2023-12-02 22:58:39,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:58:39,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:58:39,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:58:39,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:58:39,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,042 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-12-02 22:58:39,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:58:39,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:58:39,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:58:39,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:58:39,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:58:39,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:58:39,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:58:39,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:58:39,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:58:39,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:58:39,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:58:39,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:58:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:58:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:58:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:58:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 22:58:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:58:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:58:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:58:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 22:58:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:58:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:58:39,227 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:58:39,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:58:39,375 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:58:39,402 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:58:39,402 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 22:58:39,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:39 BoogieIcfgContainer [2023-12-02 22:58:39,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:58:39,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:58:39,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:58:39,412 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:58:39,412 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:39" (1/1) ... [2023-12-02 22:58:39,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:58:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-12-02 22:58:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-12-02 22:58:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:58:39,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:39,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:39,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:39,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:58:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:39,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:39,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:39,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:39,598 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 22:58:39,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:58:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 22:58:39,629 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 22:58:39,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:58:39,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:39,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:39,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:39,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:39,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:58:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:39,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:39,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:58:39,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:39,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:58:39,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2023-12-02 22:58:40,060 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 22:58:40,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:58:40,066 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:58:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-12-02 22:58:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-12-02 22:58:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:58:40,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:40,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:40,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:40,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:40,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:58:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:40,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:40,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:40,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:40,399 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 22:58:40,400 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:58:40,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:58:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-12-02 22:58:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-12-02 22:58:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:58:40,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:40,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:40,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:40,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:40,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:58:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:40,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:40,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:58:40,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:40,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-02 22:58:40,948 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-12-02 22:58:40,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 49 [2023-12-02 22:58:40,959 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 22:58:40,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2023-12-02 22:58:41,089 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 22:58:41,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:58:41,094 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:58:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-12-02 22:58:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-12-02 22:58:42,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:58:42,107 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-02 22:58:42,113 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:58:42,171 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-12-02 22:58:42,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-12-02 22:58:42,177 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:58:42,178 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-02 22:58:42,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated [2023-12-02 22:58:42,179 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-12-02 22:58:42,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-02 22:58:42,180 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2023-12-02 22:58:42,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32 :: ~fp~32(~bvand~32(2147483647bv32, v_arrayElimCell_1)[31:31], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[30:23], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[22:0]) == ~x && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated [2023-12-02 22:58:42,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-12-02 22:58:42,182 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-12-02 22:58:42,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0])) could not be translated [2023-12-02 22:58:42,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:58:42 ImpRootNode [2023-12-02 22:58:42,183 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:58:42,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:58:42,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:58:42,184 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:58:42,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:39" (3/4) ... [2023-12-02 22:58:42,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:58:42,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 22:58:42,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 22:58:42,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 22:58:42,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:58:42,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:58:42,274 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:58:42,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:58:42,275 INFO L158 Benchmark]: Toolchain (without parser) took 3485.44ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 60.3MB in the beginning and 45.8MB in the end (delta: 14.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-12-02 22:58:42,275 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:58:42,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.59ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 48.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:58:42,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:58:42,277 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:58:42,277 INFO L158 Benchmark]: RCFGBuilder took 327.56ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 54.0MB in the end (delta: -8.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-12-02 22:58:42,278 INFO L158 Benchmark]: CodeCheck took 2778.35ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.0MB in the beginning and 50.0MB in the end (delta: 4.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-12-02 22:58:42,278 INFO L158 Benchmark]: Witness Printer took 90.33ms. Allocated memory is still 100.7MB. Free memory was 50.0MB in the beginning and 45.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:58:42,281 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 54 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 10 QuantifiedInterpolants, 383 SizeOfPredicates, 16 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 35 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: 52]: 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: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.59ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 48.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.56ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 54.0MB in the end (delta: -8.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * CodeCheck took 2778.35ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.0MB in the beginning and 50.0MB in the end (delta: 4.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 90.33ms. Allocated memory is still 100.7MB. Free memory was 50.0MB in the beginning and 45.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32 :: ~fp~32(~bvand~32(2147483647bv32, v_arrayElimCell_1)[31:31], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[30:23], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[22:0]) == ~x && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0])) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 22:58:42,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8748f525-89d2-427e-92c8-7e51e1008b63/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