./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.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_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/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_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/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_be1a9483-da04-4687-b64d-b20a52300373/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 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:05,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:05,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:04:05,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:05,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:05,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:05,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:05,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:05,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:05,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:05,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:05,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:05,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:05,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:05,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:05,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:05,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:05,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:05,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:05,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:05,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:05,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:05,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:05,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:05,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:05,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:05,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:05,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:05,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:05,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:05,639 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:05,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:05,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:05,640 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_be1a9483-da04-4687-b64d-b20a52300373/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 [2023-11-19 04:04:05,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:05,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:05,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:05,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:05,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:05,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2023-11-19 04:04:09,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:09,415 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:09,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2023-11-19 04:04:09,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data/0df1d6379/c2bf582741e24fb2900fd21d17585477/FLAGb6d032d12 [2023-11-19 04:04:09,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data/0df1d6379/c2bf582741e24fb2900fd21d17585477 [2023-11-19 04:04:09,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:09,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:09,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:09,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:09,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:09,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f32b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09, skipping insertion in model container [2023-11-19 04:04:09,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:09,657 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_be1a9483-da04-4687-b64d-b20a52300373/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2023-11-19 04:04:09,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:09,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:09,712 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_be1a9483-da04-4687-b64d-b20a52300373/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2023-11-19 04:04:09,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:09,746 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:09,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09 WrapperNode [2023-11-19 04:04:09,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:09,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:09,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:09,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:09,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,833 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 249 [2023-11-19 04:04:09,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:09,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:09,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:09,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:09,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:09,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:09,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:09,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:09,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:09" (1/1) ... [2023-11-19 04:04:09,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:09,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:09,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:09,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:04:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:04:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:04:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:04:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:04:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:10,088 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:10,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:10,649 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:10,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:10,935 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 04:04:10,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:10 BoogieIcfgContainer [2023-11-19 04:04:10,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:10,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:10,942 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:10,955 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:10,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:10" (1/1) ... [2023-11-19 04:04:10,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2023-11-19 04:04:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-11-19 04:04:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:04:11,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:11,233 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 04:04:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-19 04:04:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 04:04:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:04:11,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:11,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:04:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:11,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:04:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:04:11,676 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:04:11,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:04:11 ImpRootNode [2023-11-19 04:04:11,721 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:04:11,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:04:11,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:04:11,722 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:04:11,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:10" (3/4) ... [2023-11-19 04:04:11,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:04:11,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:04:11,729 INFO L158 Benchmark]: Toolchain (without parser) took 2288.87ms. Allocated memory is still 161.5MB. Free memory was 129.3MB in the beginning and 106.5MB in the end (delta: 22.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-19 04:04:11,730 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:11,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.47ms. Allocated memory is still 161.5MB. Free memory was 129.3MB in the beginning and 116.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:04:11,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.97ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:11,737 INFO L158 Benchmark]: Boogie Preprocessor took 71.82ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:11,740 INFO L158 Benchmark]: RCFGBuilder took 1034.71ms. Allocated memory is still 161.5MB. Free memory was 112.0MB in the beginning and 67.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 04:04:11,740 INFO L158 Benchmark]: CodeCheck took 778.71ms. Allocated memory is still 161.5MB. Free memory was 67.9MB in the beginning and 107.5MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:11,742 INFO L158 Benchmark]: Witness Printer took 6.46ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 921.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:11,746 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, 34 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, 14 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, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 61 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 125]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of bitwiseOr at line 33, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L119] float x = 1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, one_fmod=1, x=2, y=3] [L23] ieee_float_shape_type gf_u; [L24] EXPR gf_u.value = (x) [L25] EXPR gf_u.word [L25] EXPR (hx) = gf_u.word [L22-L26] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=0, one_fmod=1, x=2, y=3] [L28] ieee_float_shape_type gf_u; [L29] EXPR gf_u.value = (y) [L30] EXPR gf_u.word [L30] EXPR (hy) = gf_u.word [L27-L31] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=0, hy=2139095041, one_fmod=1, x=2, y=3] [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=0, hy=2139095041, one_fmod=1, sx=0, x=2, y=3] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=0, hy=2139095041, one_fmod=1, sx=0, x=2, y=3] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=7, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.47ms. Allocated memory is still 161.5MB. Free memory was 129.3MB in the beginning and 116.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.97ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.82ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.71ms. Allocated memory is still 161.5MB. Free memory was 112.0MB in the beginning and 67.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 778.71ms. Allocated memory is still 161.5MB. Free memory was 67.9MB in the beginning and 107.5MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.46ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 921.7kB). 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 04:04:11,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/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_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/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_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/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_be1a9483-da04-4687-b64d-b20a52300373/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 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:14,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:14,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:04:14,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:14,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:14,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:14,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:14,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:14,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:14,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:14,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:14,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:14,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:14,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:14,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:14,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:14,741 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:04:14,741 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:04:14,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:04:14,743 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:14,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:14,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:14,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:14,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:14,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:14,746 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:14,747 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:04:14,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:14,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:14,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:14,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:14,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:14,750 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:04:14,751 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:14,751 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:14,752 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:04:14,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:04:14,752 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_be1a9483-da04-4687-b64d-b20a52300373/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 [2023-11-19 04:04:15,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:15,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:15,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:15,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:15,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:15,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2023-11-19 04:04:18,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:18,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:18,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2023-11-19 04:04:18,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data/d1cbbe05a/ddbbd486a8b643b39200c37572298b97/FLAGecbe16d58 [2023-11-19 04:04:18,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/data/d1cbbe05a/ddbbd486a8b643b39200c37572298b97 [2023-11-19 04:04:18,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:18,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:18,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:18,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:18,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:18,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:18" (1/1) ... [2023-11-19 04:04:18,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38925d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:18, skipping insertion in model container [2023-11-19 04:04:18,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:18" (1/1) ... [2023-11-19 04:04:18,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:18,987 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_be1a9483-da04-4687-b64d-b20a52300373/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2023-11-19 04:04:18,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:19,014 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:19,079 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_be1a9483-da04-4687-b64d-b20a52300373/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2023-11-19 04:04:19,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:19,106 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:19,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19 WrapperNode [2023-11-19 04:04:19,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:19,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:19,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:19,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:19,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,230 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2023-11-19 04:04:19,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:19,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:19,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:19,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:19,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:19,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:19,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:19,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:19,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:19,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:19,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:19,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:19,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:04:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:04:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:04:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:04:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:04:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:04:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:19,501 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:19,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:24,354 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:24,450 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:24,451 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 04:04:24,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:24 BoogieIcfgContainer [2023-11-19 04:04:24,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:24,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:24,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:24,468 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:24,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:24" (1/1) ... [2023-11-19 04:04:24,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2023-11-19 04:04:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-11-19 04:04:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:04:24,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:24,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:24,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:04:24,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:04:24,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:04:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:24,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:04:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:24,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:24,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:24,780 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 04:04:24,783 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:04:24,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:04:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-19 04:04:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 04:04:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:04:24,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:24,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:04:24,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:04:24,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:04:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:25,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:04:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:25,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:04:25,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:27,410 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 04:04:27,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:04:30,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:35,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:04:40,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:04:45,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:04:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2023-11-19 04:04:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2023-11-19 04:04:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:04:47,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:47,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:47,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:04:47,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:04:47,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:04:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:47,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:04:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:47,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:04:47,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:48,105 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:04:48,109 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-11-19 04:04:49,519 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 04:04:49,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:04:55,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:04:55,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:55,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2023-11-19 04:04:55,625 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-11-19 04:04:55,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:04:55,626 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 04:04:55,635 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:04:56,209 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-11-19 04:04:56,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_float_~y#1 : C_FLOAT, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ULTIMATE.start_fmod_float_~y#1), ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ULTIMATE.start_fmod_float_~y#1)) == #res) could not be translated [2023-11-19 04:04:56,217 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:04:56,218 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 04:04:56,220 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-19 04:04:56,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~hx~0[31:31], ~hx~0[30:23], ~hx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-19 04:04:56,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:04:56 ImpRootNode [2023-11-19 04:04:56,222 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:04:56,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:04:56,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:04:56,223 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:04:56,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:24" (3/4) ... [2023-11-19 04:04:56,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:04:56,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:04:56,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 04:04:56,237 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 04:04:56,237 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:04:56,356 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:04:56,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:04:56,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:04:56,358 INFO L158 Benchmark]: Toolchain (without parser) took 37691.91ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.2MB in the beginning and 68.6MB in the end (delta: -19.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-19 04:04:56,358 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:56,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.28ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 35.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:04:56,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.51ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 51.7MB in the end (delta: -15.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:04:56,360 INFO L158 Benchmark]: Boogie Preprocessor took 47.00ms. Allocated memory is still 73.4MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:56,361 INFO L158 Benchmark]: RCFGBuilder took 5176.48ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 69.2MB in the end (delta: -19.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-19 04:04:56,362 INFO L158 Benchmark]: CodeCheck took 31765.36ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 72.7MB in the end (delta: -3.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-19 04:04:56,362 INFO L158 Benchmark]: Witness Printer took 134.43ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 68.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:04:56,365 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 39.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 36.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 66 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 233 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 6 QuantifiedInterpolants, 169 SizeOfPredicates, 16 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 19 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: 125]: 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: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.28ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 35.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.51ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 51.7MB in the end (delta: -15.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.00ms. Allocated memory is still 73.4MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5176.48ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 69.2MB in the end (delta: -19.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * CodeCheck took 31765.36ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 72.7MB in the end (delta: -3.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 134.43ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 68.6MB in the end (delta: 4.1MB). 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 ULTIMATE.start_fmod_float_~y#1 : C_FLOAT, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ULTIMATE.start_fmod_float_~y#1), ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ULTIMATE.start_fmod_float_~y#1)) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~hx~0[31:31], ~hx~0[30:23], ~hx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 04:04:56,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1a9483-da04-4687-b64d-b20a52300373/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