./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL --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 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:07,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:07,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:07,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:07,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:07,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:07,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:07,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:07,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:07,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:07,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:07,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:07,632 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:07,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:07,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:07,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:07,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:07,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:07,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:07,636 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:07,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:07,637 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:07,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:07,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:07,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:07,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:07,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:07,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:07,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:07,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:07,642 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:07,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:07,643 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:07,644 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_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 [2023-11-19 03:03:07,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:07,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:07,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:07,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:07,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:07,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2023-11-19 03:03:11,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:11,270 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:11,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2023-11-19 03:03:11,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data/7c9eed2ad/3582317a519b469d84e69c0f09607f7f/FLAGe36b91176 [2023-11-19 03:03:11,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data/7c9eed2ad/3582317a519b469d84e69c0f09607f7f [2023-11-19 03:03:11,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:11,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:11,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:11,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:11,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:11,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c5320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11, skipping insertion in model container [2023-11-19 03:03:11,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:11,511 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_3b948770-9f90-45ec-a6fc-85f839b038f1/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2023-11-19 03:03:11,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:11,524 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:11,548 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_3b948770-9f90-45ec-a6fc-85f839b038f1/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2023-11-19 03:03:11,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:11,564 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:11,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11 WrapperNode [2023-11-19 03:03:11,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:11,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:11,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:11,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:11,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,604 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2023-11-19 03:03:11,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:11,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:11,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:11,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:11,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:11,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:11,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:11,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:11,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:11,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:11,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:11,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:03:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:03:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:03:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:11,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:03:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:11,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:11,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:12,092 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:12,269 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:12,270 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:03:12,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:12 BoogieIcfgContainer [2023-11-19 03:03:12,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:12,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:12,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:12,288 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:12,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:12" (1/1) ... [2023-11-19 03:03:12,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-19 03:03:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-19 03:03:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:03:12,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 03:03:12,567 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 03:03:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:12,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:12,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:03:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:12,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:03:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:12,858 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:03:12,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:03:12 ImpRootNode [2023-11-19 03:03:12,917 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:03:12,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:03:12,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:03:12,918 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:03:12,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:12" (3/4) ... [2023-11-19 03:03:12,924 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:03:12,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:03:12,927 INFO L158 Benchmark]: Toolchain (without parser) took 1616.60ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 108.0MB in the beginning and 159.8MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:12,928 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:12,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.05ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 96.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:12,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.74ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:12,930 INFO L158 Benchmark]: Boogie Preprocessor took 33.57ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 93.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:12,932 INFO L158 Benchmark]: RCFGBuilder took 634.54ms. Allocated memory is still 155.2MB. Free memory was 93.3MB in the beginning and 66.3MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:03:12,932 INFO L158 Benchmark]: CodeCheck took 641.70ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 66.3MB in the beginning and 159.8MB in the end (delta: -93.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:12,937 INFO L158 Benchmark]: Witness Printer took 7.82ms. Allocated memory is still 190.8MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:12,944 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 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, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 82]: 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 someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L77] float x = -1.0f / 0.0f; [L78] CALL, EXPR floor_float(x) [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, i0=2139095039, x=2] [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L25] COND FALSE !(j0 < 23) [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [\old(x)=2, \result=2, huge_floor=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L78] RET, EXPR floor_float(x) [L78] float res = floor_float(x); [L81] CALL, EXPR isinf_float(res) [L60] __int32_t ix; VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, x=2] [L62] ieee_float_shape_type gf_u; [L63] EXPR gf_u.value = (x) [L64] EXPR gf_u.word [L64] EXPR (ix) = gf_u.word [L61-L65] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, ix=0, x=2] [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); [L81] RET, EXPR isinf_float(res) [L81] COND TRUE !isinf_float(res) [L82] reach_error() VAL [huge_floor=1000000000000000000000000000000, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.05ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 96.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.74ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.57ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 93.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 634.54ms. Allocated memory is still 155.2MB. Free memory was 93.3MB in the beginning and 66.3MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 641.70ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 66.3MB in the beginning and 159.8MB in the end (delta: -93.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.82ms. Allocated memory is still 190.8MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:03:12,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/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 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_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL --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 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:15,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:15,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:03:15,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:15,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:15,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:15,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:15,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:15,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:15,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:15,716 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:15,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:15,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:15,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:15,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:15,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:15,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:03:15,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:03:15,721 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:03:15,722 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:15,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:15,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:15,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:15,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:15,725 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:15,725 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:15,726 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:15,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:15,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:15,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:15,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:15,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:15,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:03:15,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:15,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:15,730 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:03:15,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:15,730 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_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 [2023-11-19 03:03:16,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:16,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:16,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:16,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:16,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:16,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2023-11-19 03:03:19,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:19,472 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:19,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2023-11-19 03:03:19,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data/737930f73/ef52da0efcb646eba7e4e80e64c3dfd8/FLAGaa9bec848 [2023-11-19 03:03:19,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/data/737930f73/ef52da0efcb646eba7e4e80e64c3dfd8 [2023-11-19 03:03:19,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:19,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:19,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:19,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:19,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:19,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7408e107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19, skipping insertion in model container [2023-11-19 03:03:19,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:19,707 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_3b948770-9f90-45ec-a6fc-85f839b038f1/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2023-11-19 03:03:19,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:19,733 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:19,784 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_3b948770-9f90-45ec-a6fc-85f839b038f1/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2023-11-19 03:03:19,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:19,807 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:19,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19 WrapperNode [2023-11-19 03:03:19,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:19,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:19,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:19,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:19,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,876 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-19 03:03:19,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:19,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:19,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:19,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:19,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:19,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:19,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:19,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:19,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:19" (1/1) ... [2023-11-19 03:03:19,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:19,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:19,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:03:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 03:03:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:03:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 03:03:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:03:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:20,095 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:20,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:20,565 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:20,633 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:20,633 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:03:20,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:20 BoogieIcfgContainer [2023-11-19 03:03:20,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:20,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:20,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:20,655 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:20,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:20" (1/1) ... [2023-11-19 03:03:20,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-19 03:03:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-19 03:03:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:03:20,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:20,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:20,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:20,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:20,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:03:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:20,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:21,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:21,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:21,050 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:03:21,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 03:03:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 03:03:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:21,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:21,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:21,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:21,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:21,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:03:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:21,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:21,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:03:21,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:21,649 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 [2023-11-19 03:03:22,191 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-11-19 03:03:22,192 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 103 treesize of output 59 [2023-11-19 03:03:22,214 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 03:03:22,214 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 95 treesize of output 43 [2023-11-19 03:03:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:22,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:03:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 03:03:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 03:03:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:03:25,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:25,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:25,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:03:25,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:03:25,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:03:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:25,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:03:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:25,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:03:25,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:25,825 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:03:25,827 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2023-11-19 03:03:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:26,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:03:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2023-11-19 03:03:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-11-19 03:03:28,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:03:28,012 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:03:28,020 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:03:28,194 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-19 03:03:28,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]), ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0])) == #res) could not be translated [2023-11-19 03:03:28,201 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:03:28,202 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-19 03:03:28,203 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-19 03:03:28,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_3 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) && ~fp.add~32(currentRoundingMode, ~fp~32(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]), ~fp~32(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0])) == ~fp~32(~ix~1[31:31], ~ix~1[30:23], ~ix~1[22:0])) could not be translated [2023-11-19 03:03:28,204 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-19 03:03:28,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]), ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0])) == ~x) could not be translated [2023-11-19 03:03:28,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:03:28 ImpRootNode [2023-11-19 03:03:28,206 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:03:28,206 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:03:28,206 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:03:28,206 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:03:28,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:20" (3/4) ... [2023-11-19 03:03:28,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:03:28,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 03:03:28,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:03:28,217 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:03:28,217 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:03:28,315 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:03:28,316 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:03:28,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:03:28,317 INFO L158 Benchmark]: Toolchain (without parser) took 8812.19ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 51.5MB in the beginning and 40.2MB in the end (delta: 11.3MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,317 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:28,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.75ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 39.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.69ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 37.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,319 INFO L158 Benchmark]: Boogie Preprocessor took 59.75ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 37.5MB in the beginning and 82.6MB in the end (delta: -45.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,319 INFO L158 Benchmark]: RCFGBuilder took 698.73ms. Allocated memory is still 104.9MB. Free memory was 82.6MB in the beginning and 64.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,320 INFO L158 Benchmark]: CodeCheck took 7567.20ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 45.3MB in the end (delta: 19.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,320 INFO L158 Benchmark]: Witness Printer took 109.70ms. Allocated memory is still 104.9MB. Free memory was 45.3MB in the beginning and 40.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:03:28,322 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 49 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 224 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 10 QuantifiedInterpolants, 442 SizeOfPredicates, 20 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 82]: 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: 15]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.75ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 39.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.69ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 37.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.75ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 37.5MB in the beginning and 82.6MB in the end (delta: -45.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 698.73ms. Allocated memory is still 104.9MB. Free memory was 82.6MB in the beginning and 64.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 7567.20ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 45.3MB in the end (delta: 19.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Witness Printer took 109.70ms. Allocated memory is still 104.9MB. Free memory was 45.3MB in the beginning and 40.2MB in the end (delta: 5.0MB). 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_floor_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]), ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0])) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_3 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) && ~fp.add~32(currentRoundingMode, ~fp~32(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]), ~fp~32(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0])) == ~fp~32(~ix~1[31:31], ~ix~1[30:23], ~ix~1[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0]), ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_11][0bv32][22:0])) == ~x) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:03:28,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b948770-9f90-45ec-a6fc-85f839b038f1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE