./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.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_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/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_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/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_2c3aff98-96af-476a-b1df-e64bb753c800/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 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:55,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:55,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:17:55,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:17:55,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:17:55,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:55,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:55,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:55,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:55,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:55,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:55,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:55,564 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:55,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:17:55,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:55,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:55,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:55,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:55,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:55,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:55,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:55,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:55,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:55,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:55,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:55,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:55,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:55,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:55,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:55,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:55,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:17:55,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:17:55,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:55,575 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_2c3aff98-96af-476a-b1df-e64bb753c800/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 [2023-12-02 22:17:55,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:55,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:55,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:55,858 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:55,858 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:55,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-12-02 22:17:58,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:59,040 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:59,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-12-02 22:17:59,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data/ee318cbb8/7fa5ec70a6844888ab1499fe4e337ba7/FLAGc84a88425 [2023-12-02 22:17:59,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data/ee318cbb8/7fa5ec70a6844888ab1499fe4e337ba7 [2023-12-02 22:17:59,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:59,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:59,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:59,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:59,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:59,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9493792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59, skipping insertion in model container [2023-12-02 22:17:59,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:59,307 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_2c3aff98-96af-476a-b1df-e64bb753c800/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-12-02 22:17:59,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:59,328 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:17:59,392 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_2c3aff98-96af-476a-b1df-e64bb753c800/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-12-02 22:17:59,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:59,417 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:17:59,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59 WrapperNode [2023-12-02 22:17:59,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:59,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:59,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:17:59,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:17:59,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,487 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-12-02 22:17:59,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:59,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:17:59,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:17:59,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:17:59,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:17:59,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:17:59,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:17:59,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:17:59,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:59" (1/1) ... [2023-12-02 22:17:59,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:59,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:17:59,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:17:59,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:17:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:17:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:17:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:17:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 22:17:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:17:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 22:17:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:17:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:17:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:17:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:17:59,824 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:17:59,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:18:00,130 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:18:00,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:18:00,317 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 22:18:00,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:00 BoogieIcfgContainer [2023-12-02 22:18:00,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:18:00,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:18:00,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:18:00,331 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:18:00,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:18:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-12-02 22:18:00,399 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-12-02 22:18:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:18:00,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:00,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:00,555 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 22:18:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-12-02 22:18:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-02 22:18:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:18:00,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:00,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:18:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:18:00,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:18:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:18:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:18:00,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:18:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:18:00,776 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:18:00,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:18:00 ImpRootNode [2023-12-02 22:18:00,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:18:00,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:18:00,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:18:00,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:18:00,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:00" (3/4) ... [2023-12-02 22:18:00,817 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:18:00,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:18:00,820 INFO L158 Benchmark]: Toolchain (without parser) took 1749.39ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 62.0MB in the beginning and 86.8MB in the end (delta: -24.8MB). Peak memory consumption was 804.2kB. Max. memory is 16.1GB. [2023-12-02 22:18:00,821 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:00,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.66ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 50.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:18:00,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.96ms. Allocated memory is still 107.0MB. Free memory was 50.2MB in the beginning and 48.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:18:00,824 INFO L158 Benchmark]: Boogie Preprocessor took 75.45ms. Allocated memory is still 107.0MB. Free memory was 48.1MB in the beginning and 46.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:18:00,825 INFO L158 Benchmark]: RCFGBuilder took 753.49ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 46.3MB in the beginning and 63.8MB in the end (delta: -17.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-12-02 22:18:00,831 INFO L158 Benchmark]: CodeCheck took 489.69ms. Allocated memory is still 132.1MB. Free memory was 63.2MB in the beginning and 86.8MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:00,832 INFO L158 Benchmark]: Witness Printer took 8.06ms. Allocated memory is still 132.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:00,842 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 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, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 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, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 98]: 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 someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someUnaryDOUBLEoperation at line 93, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; [L93] double x = -0.0; [L94] CALL, EXPR ceil_double(x) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (i1) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, x=2] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=2] [L31] COND FALSE !(j0 < 20) VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=2] [L53] COND TRUE j0 > 51 [L54] COND FALSE !(j0 == 0x400) [L57] return x; VAL [\old(x)=2, \result=2, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=2] [L94] RET, EXPR ceil_double(x) [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=2, x=2] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.66ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 50.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.96ms. Allocated memory is still 107.0MB. Free memory was 50.2MB in the beginning and 48.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.45ms. Allocated memory is still 107.0MB. Free memory was 48.1MB in the beginning and 46.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 753.49ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 46.3MB in the beginning and 63.8MB in the end (delta: -17.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 489.69ms. Allocated memory is still 132.1MB. Free memory was 63.2MB in the beginning and 86.8MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.06ms. Allocated memory is still 132.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:18:00,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/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_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/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_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/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_2c3aff98-96af-476a-b1df-e64bb753c800/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 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:18:03,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:18:03,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:18:03,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:18:03,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:18:03,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:18:03,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:18:03,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:18:03,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:18:03,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:18:03,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:18:03,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:18:03,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:18:03,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:18:03,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:18:03,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:18:03,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:18:03,206 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:18:03,207 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:18:03,208 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:18:03,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:18:03,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:18:03,209 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:18:03,209 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:18:03,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:18:03,210 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:03,210 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:18:03,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:18:03,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:18:03,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:18:03,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:18:03,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:18:03,214 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:18:03,215 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:03,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:18:03,215 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:18:03,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:18:03,216 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_2c3aff98-96af-476a-b1df-e64bb753c800/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 [2023-12-02 22:18:03,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:18:03,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:18:03,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:18:03,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:18:03,523 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:18:03,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-12-02 22:18:06,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:18:06,694 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:18:06,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-12-02 22:18:06,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data/8460a1fdb/f1f89d82a9d146db95ccea0d0ef65602/FLAG14dae2de2 [2023-12-02 22:18:06,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/data/8460a1fdb/f1f89d82a9d146db95ccea0d0ef65602 [2023-12-02 22:18:06,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:18:06,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:18:06,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:18:06,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:18:06,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:18:06,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:06,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddbaca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06, skipping insertion in model container [2023-12-02 22:18:06,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:06,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:18:06,897 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_2c3aff98-96af-476a-b1df-e64bb753c800/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-12-02 22:18:06,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:18:06,917 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:18:06,943 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_2c3aff98-96af-476a-b1df-e64bb753c800/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-12-02 22:18:06,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:18:06,961 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:18:06,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06 WrapperNode [2023-12-02 22:18:06,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:18:06,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:18:06,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:18:06,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:18:06,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:06,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,000 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-12-02 22:18:07,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:18:07,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:18:07,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:18:07,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:18:07,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:18:07,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:18:07,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:18:07,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:18:07,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:06" (1/1) ... [2023-12-02 22:18:07,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:18:07,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:18:07,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:18:07,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:18:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:18:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 22:18:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 22:18:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:18:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:18:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:18:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:18:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:18:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:18:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:18:07,198 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:18:07,200 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:18:08,520 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:18:08,611 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:18:08,612 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 22:18:08,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:08 BoogieIcfgContainer [2023-12-02 22:18:08,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:18:08,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:18:08,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:18:08,625 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:18:08,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:08" (1/1) ... [2023-12-02 22:18:08,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:18:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-12-02 22:18:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-12-02 22:18:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:18:08,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:08,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:08,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:08,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:08,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:18:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:08,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:08,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:18:08,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:08,869 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 22:18:08,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:18:08,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-12-02 22:18:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-02 22:18:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:18:08,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:08,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:08,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:08,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:08,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:18:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:09,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:09,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 22:18:09,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:09,377 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 22:18:09,381 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:18:09,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:18:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-02 22:18:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-02 22:18:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:18:09,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:09,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:09,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:09,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:09,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:18:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:09,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:09,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:18:09,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:09,939 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 22:18:09,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:18:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-12-02 22:18:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-12-02 22:18:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:18:10,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:10,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:10,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:10,342 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:10,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:18:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:10,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:10,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:18:10,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:10,554 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 22:18:10,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:18:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-12-02 22:18:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-12-02 22:18:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:18:10,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:10,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:10,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:10,783 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:10,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:18:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:11,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:18:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:18:11,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:18:11,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:11,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:18:11,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 22:18:12,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:18:12,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 22:18:12,862 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 22:18:12,866 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:18:12,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:18:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-12-02 22:18:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-12-02 22:18:15,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:18:15,593 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-02 22:18:15,601 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:18:15,765 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-02 22:18:15,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 22:18:15,769 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-02 22:18:15,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 22:18:15,769 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:18:15,770 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2023-12-02 22:18:15,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 22:18:15,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_13 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19 : bv32 :: (#memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == v_skolemized_q#valueAsBitvector_13[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~x~0) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32] == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated [2023-12-02 22:18:15,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:18:15 ImpRootNode [2023-12-02 22:18:15,774 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:18:15,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:18:15,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:18:15,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:18:15,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:08" (3/4) ... [2023-12-02 22:18:15,777 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:18:15,784 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-02 22:18:15,785 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 22:18:15,785 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:18:15,785 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:18:15,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == x) [2023-12-02 22:18:15,834 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == x) [2023-12-02 22:18:15,871 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:18:15,872 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:18:15,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:18:15,873 INFO L158 Benchmark]: Toolchain (without parser) took 9152.89ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 41.3MB in the end (delta: 10.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-12-02 22:18:15,873 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:15,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.28ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 39.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:18:15,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 75.5MB. Free memory was 39.9MB in the beginning and 38.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:15,875 INFO L158 Benchmark]: Boogie Preprocessor took 43.90ms. Allocated memory is still 75.5MB. Free memory was 38.0MB in the beginning and 53.9MB in the end (delta: -15.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-12-02 22:18:15,875 INFO L158 Benchmark]: RCFGBuilder took 1568.01ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 29.4MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 22:18:15,875 INFO L158 Benchmark]: CodeCheck took 7159.86ms. Allocated memory is still 75.5MB. Free memory was 29.4MB in the beginning and 46.9MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:18:15,876 INFO L158 Benchmark]: Witness Printer took 97.07ms. Allocated memory is still 75.5MB. Free memory was 46.7MB in the beginning and 41.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:18:15,878 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 79 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 364 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 12 QuantifiedInterpolants, 456 SizeOfPredicates, 24 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 98]: 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: 24]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (\result == x) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((i1 == 0) && (i0 == -2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.28ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 39.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 75.5MB. Free memory was 39.9MB in the beginning and 38.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.90ms. Allocated memory is still 75.5MB. Free memory was 38.0MB in the beginning and 53.9MB in the end (delta: -15.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1568.01ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 29.4MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 7159.86ms. Allocated memory is still 75.5MB. Free memory was 29.4MB in the beginning and 46.9MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 97.07ms. Allocated memory is still 75.5MB. Free memory was 46.7MB in the beginning and 41.3MB in the end (delta: 5.4MB). 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: Missing case for function ~Pluszero~64 - 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 v_skolemized_q#valueAsBitvector_13 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19 : bv32 :: (#memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == v_skolemized_q#valueAsBitvector_13[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~x~0) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32] == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 22:18:15,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aff98-96af-476a-b1df-e64bb753c800/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