./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0931.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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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 91b175b05d28541db58c7e93ed627b64b4bd09588286aa65a419fecf4760f469 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:12,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:12,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:12,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:12,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:12,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:12,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:12,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:12,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:12,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:12,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:12,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:12,510 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:12,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:12,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:12,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:12,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:12,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:12,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:12,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:12,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:12,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:12,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:12,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:12,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:12,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:12,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:12,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:12,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:12,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:12,522 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:12,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:12,523 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:12,524 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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91b175b05d28541db58c7e93ed627b64b4bd09588286aa65a419fecf4760f469 [2023-11-19 03:28:12,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:12,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:12,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:12,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:12,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:12,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2023-11-19 03:28:16,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:16,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:16,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2023-11-19 03:28:16,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data/74d3dc666/e003cedefded4f6e929daa91aeb6f005/FLAGc5e6184b1 [2023-11-19 03:28:16,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data/74d3dc666/e003cedefded4f6e929daa91aeb6f005 [2023-11-19 03:28:16,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:16,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:16,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:16,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:16,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:16,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30df073b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16, skipping insertion in model container [2023-11-19 03:28:16,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:16,662 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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/sv-benchmarks/c/float-newlib/float_req_bl_0931.c[3146,3159] [2023-11-19 03:28:16,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:16,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:16,723 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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/sv-benchmarks/c/float-newlib/float_req_bl_0931.c[3146,3159] [2023-11-19 03:28:16,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:16,751 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:16,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16 WrapperNode [2023-11-19 03:28:16,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:16,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:16,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:16,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:16,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,823 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 200 [2023-11-19 03:28:16,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:16,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:16,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:16,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:16,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:16,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:16,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:16,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:16,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:16,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:16,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:16,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:28:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:28:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:17,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:17,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:17,442 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:17,721 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:17,722 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:28:17,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:17 BoogieIcfgContainer [2023-11-19 03:28:17,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:17,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:17,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:17,744 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:17,744 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:17" (1/1) ... [2023-11-19 03:28:17,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 03:28:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:28:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:28:17,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:17,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:18,062 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 03:28:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-19 03:28:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-19 03:28:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:28:18,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:18,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:18,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:28:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:18,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:28:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:18,434 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:28:18,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:28:18 ImpRootNode [2023-11-19 03:28:18,480 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:28:18,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:28:18,481 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:28:18,482 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:28:18,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:17" (3/4) ... [2023-11-19 03:28:18,485 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:28:18,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:28:18,487 INFO L158 Benchmark]: Toolchain (without parser) took 2161.43ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 108.1MB in the beginning and 137.8MB in the end (delta: -29.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-19 03:28:18,488 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:18,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.86ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 95.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:28:18,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.13ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:18,490 INFO L158 Benchmark]: Boogie Preprocessor took 37.71ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:18,491 INFO L158 Benchmark]: RCFGBuilder took 865.80ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 91.7MB in the beginning and 162.0MB in the end (delta: -70.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-19 03:28:18,492 INFO L158 Benchmark]: CodeCheck took 750.98ms. Allocated memory is still 205.5MB. Free memory was 162.0MB in the beginning and 137.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:28:18,493 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 205.5MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:18,497 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 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, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 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: 123]: 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 34. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; [L118] float x = 1.0f / 0.0f; [L119] CALL, EXPR __ieee754_logf(x) [L23] float hfsq, f, s, z, R, w, t1, t2, dk; [L24] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L27] ieee_float_shape_type gf_u; [L28] EXPR gf_u.value = (x) [L29] EXPR gf_u.word [L29] EXPR (ix) = gf_u.word [L26-L30] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L32] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L33] COND TRUE ((ix & 0x7fffffff) == 0) [L34] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L119] RET, EXPR __ieee754_logf(x) [L119] float res = __ieee754_logf(x); [L122] CALL, EXPR isinf_float(res) [L102] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=4, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4, zero_log=0] [L104] ieee_float_shape_type gf_u; [L105] EXPR gf_u.value = (x) [L106] EXPR gf_u.word [L106] EXPR (ix) = gf_u.word [L103-L107] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=4, ix=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4, zero_log=0] [L108] ix &= 0x7fffffff [L109] return ((ix) == 0x7f800000L); [L122] RET, EXPR isinf_float(res) [L122] COND TRUE !isinf_float(res) [L123] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=4, two25_log=33554432, x=2, zero_log=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.86ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 95.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.13ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.71ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 865.80ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 91.7MB in the beginning and 162.0MB in the end (delta: -70.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * CodeCheck took 750.98ms. Allocated memory is still 205.5MB. Free memory was 162.0MB in the beginning and 137.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 205.5MB. Free memory is still 137.8MB. 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 03:28:18,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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 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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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 91b175b05d28541db58c7e93ed627b64b4bd09588286aa65a419fecf4760f469 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:21,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:21,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:28:21,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:21,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:21,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:21,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:21,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:21,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:21,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:21,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:21,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:21,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:21,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:21,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:21,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:21,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:28:21,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:28:21,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:28:21,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:21,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:21,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:21,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:21,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:21,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:21,665 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:28:21,665 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:28:21,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:21,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:21,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:21,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:21,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:21,668 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:28:21,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:28:21,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:21,669 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:28:21,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:28:21,670 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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91b175b05d28541db58c7e93ed627b64b4bd09588286aa65a419fecf4760f469 [2023-11-19 03:28:22,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:22,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:22,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:22,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:22,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:22,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2023-11-19 03:28:25,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:25,812 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:25,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2023-11-19 03:28:25,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data/5f5a2e1d9/d860a01033de4148aeac03556cd1bc59/FLAGc04b01112 [2023-11-19 03:28:25,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/data/5f5a2e1d9/d860a01033de4148aeac03556cd1bc59 [2023-11-19 03:28:25,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:25,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:25,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:25,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:25,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:25,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:25" (1/1) ... [2023-11-19 03:28:25,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ec8ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:25, skipping insertion in model container [2023-11-19 03:28:25,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:25" (1/1) ... [2023-11-19 03:28:25,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:26,073 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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/sv-benchmarks/c/float-newlib/float_req_bl_0931.c[3146,3159] [2023-11-19 03:28:26,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:26,094 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:26,132 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_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/sv-benchmarks/c/float-newlib/float_req_bl_0931.c[3146,3159] [2023-11-19 03:28:26,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:26,159 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:26,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26 WrapperNode [2023-11-19 03:28:26,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:26,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:26,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:26,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:26,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,278 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 156 [2023-11-19 03:28:26,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:26,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:26,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:26,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:26,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:26,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:26,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:26,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:26,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:26,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:26,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:26,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:28:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 03:28:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:28:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 03:28:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:28:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:26,588 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:26,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:19,385 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:19,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:19,523 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:29:19,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:19 BoogieIcfgContainer [2023-11-19 03:29:19,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:19,530 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:19,530 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:19,541 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:19,541 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:19" (1/1) ... [2023-11-19 03:29:19,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 03:29:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:29:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:29:19,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:19,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:19,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:19,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:19,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:29:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:20,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:20,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:29:20,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:20,154 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 03:29:20,159 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:29:20,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315ca6b1-4a4e-4945-8cfd-a0fe7263407e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0