./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm --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 9abd2050bf3fc760379c862e37663c5f55c1439a487d6741471f6573b4b4c89a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:06:52,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:06:52,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:06:52,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:06:52,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:06:52,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:06:52,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:06:52,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:06:52,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:06:52,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:06:52,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:06:52,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:06:52,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:06:52,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:06:52,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:06:52,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:06:52,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:06:52,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:06:52,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:06:52,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:52,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:06:52,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:06:52,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:06:52,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:06:52,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:06:52,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm 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 -> 9abd2050bf3fc760379c862e37663c5f55c1439a487d6741471f6573b4b4c89a [2024-11-13 21:06:52,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:06:52,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:06:52,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:06:52,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:06:52,891 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:06:52,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c Unable to find full path for "g++" [2024-11-13 21:06:54,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:06:54,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:06:54,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2024-11-13 21:06:55,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data/aa940d7b0/6c8bcf5ece1b47248170c5dccc38e716/FLAG151ed94fa [2024-11-13 21:06:55,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data/aa940d7b0/6c8bcf5ece1b47248170c5dccc38e716 [2024-11-13 21:06:55,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:06:55,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:06:55,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:55,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:06:55,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:06:55,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c640c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55, skipping insertion in model container [2024-11-13 21:06:55,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:06:55,287 WARN L250 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_4132ebbc-f1a8-4eb9-972f-fb32336d1607/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c[2071,2084] [2024-11-13 21:06:55,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:55,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:06:55,336 WARN L250 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_4132ebbc-f1a8-4eb9-972f-fb32336d1607/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c[2071,2084] [2024-11-13 21:06:55,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:55,358 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:06:55,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55 WrapperNode [2024-11-13 21:06:55,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:55,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:55,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:06:55,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:06:55,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,399 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 145 [2024-11-13 21:06:55,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:55,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:06:55,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:06:55,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:06:55,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:06:55,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:06:55,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:06:55,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:06:55,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:55" (1/1) ... [2024-11-13 21:06:55,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:55,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:06:55,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:06:55,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:06:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:06:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:06:55,592 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:06:55,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:06:55,854 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 21:06:55,854 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:06:56,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:06:56,002 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 21:06:56,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:56 BoogieIcfgContainer [2024-11-13 21:06:56,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:06:56,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:06:56,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:06:56,016 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:06:56,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:56" (1/1) ... [2024-11-13 21:06:56,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:06:56,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-13 21:06:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-13 21:06:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:06:56,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:56,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 21:06:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 21:06:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:06:56,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:56,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:06:56,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:06:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:06:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:06:56,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:06:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:06:56,460 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:06:56,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:06:56 ImpRootNode [2024-11-13 21:06:56,492 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:06:56,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:06:56,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:06:56,493 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:06:56,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:56" (3/4) ... [2024-11-13 21:06:56,497 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:06:56,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:06:56,501 INFO L158 Benchmark]: Toolchain (without parser) took 1464.51ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 61.6MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:06:56,502 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:56,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.59ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:56,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.60ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:56,503 INFO L158 Benchmark]: Boogie Preprocessor took 26.22ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:56,503 INFO L158 Benchmark]: RCFGBuilder took 575.12ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 79.9MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:06:56,504 INFO L158 Benchmark]: CodeCheck took 488.98ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 61.8MB in the end (delta: 18.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:06:56,504 INFO L158 Benchmark]: Witness Printer took 5.85ms. Allocated memory is still 142.6MB. Free memory was 61.8MB in the beginning and 61.6MB in the end (delta: 260.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:56,510 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 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, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 108]: 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 107, overapproximation of someUnaryFLOAToperation at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L103] float x = -0.0f; [L104] CALL, EXPR __ieee754_sqrtf(x) [L17] float z; [L18] __uint32_t r, hx; [L19] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L22] ieee_float_shape_type gf_u; [L23] gf_u.value = (x) [L24] EXPR gf_u.word [L24] (ix) = gf_u.word [L26] hx = ix & 0x7fffffff VAL [hx=2139095040, ix=2139095040, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L28] COND TRUE !((hx) < 0x7f800000L) [L29] return x * x + x; VAL [ix=2139095040, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L104] RET, EXPR __ieee754_sqrtf(x) [L104] float res = __ieee754_sqrtf(x); [L107] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000] [L107] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L108] reach_error() VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.59ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.60ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.22ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 575.12ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 79.9MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 488.98ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 61.8MB in the end (delta: 18.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.85ms. Allocated memory is still 142.6MB. Free memory was 61.8MB in the beginning and 61.6MB in the end (delta: 260.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:06:56,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm --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 9abd2050bf3fc760379c862e37663c5f55c1439a487d6741471f6573b4b4c89a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:06:59,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:06:59,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:06:59,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:06:59,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:06:59,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:06:59,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:06:59,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:06:59,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:06:59,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:06:59,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:06:59,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:06:59,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:06:59,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:06:59,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:06:59,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:06:59,288 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:06:59,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:06:59,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:06:59,288 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:06:59,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:06:59,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:06:59,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:06:59,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:06:59,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:06:59,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:06:59,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:59,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:06:59,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm 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 -> 9abd2050bf3fc760379c862e37663c5f55c1439a487d6741471f6573b4b4c89a [2024-11-13 21:06:59,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:06:59,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:06:59,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:06:59,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:06:59,668 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:06:59,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0730c.c Unable to find full path for "g++" [2024-11-13 21:07:01,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:02,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:02,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c [2024-11-13 21:07:02,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data/f9911b509/3f87958e194240f5bba82e1ecb043c7f/FLAGd763379cc [2024-11-13 21:07:02,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/data/f9911b509/3f87958e194240f5bba82e1ecb043c7f [2024-11-13 21:07:02,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:02,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:02,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:02,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:02,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:02,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba32c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02, skipping insertion in model container [2024-11-13 21:07:02,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:02,534 WARN L250 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_4132ebbc-f1a8-4eb9-972f-fb32336d1607/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c[2071,2084] [2024-11-13 21:07:02,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:02,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:02,607 WARN L250 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_4132ebbc-f1a8-4eb9-972f-fb32336d1607/sv-benchmarks/c/float-newlib/float_req_bl_0730c.c[2071,2084] [2024-11-13 21:07:02,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:02,628 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:02,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02 WrapperNode [2024-11-13 21:07:02,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:02,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:02,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:02,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:02,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,679 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2024-11-13 21:07:02,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:02,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:02,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:02,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:02,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:02,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:02,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:02,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:02,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:02" (1/1) ... [2024-11-13 21:07:02,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:02,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:02,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:02,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:07:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:07:02,901 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:02,903 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:04,290 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:04,290 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:04,391 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:04,392 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 21:07:04,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:04 BoogieIcfgContainer [2024-11-13 21:07:04,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:04,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:04,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:04,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:04,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:04" (1/1) ... [2024-11-13 21:07:04,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-11-13 21:07:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 21:07:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:07:04,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:04,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:04,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:07:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:04,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:04,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:07:04,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:04,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:07:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-13 21:07:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-13 21:07:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:07:04,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:04,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:04,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:04,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:07:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:05,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:05,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:07:05,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:05,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:07:05,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-13 21:07:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:05,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:07:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-13 21:07:06,009 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-13 21:07:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:07:06,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:06,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:06,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:06,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:06,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:07:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:06,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:06,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:07:06,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:06,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:07:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-13 21:07:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 21:07:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:07:08,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:08,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:08,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:08,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:08,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:07:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:08,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:08,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:07:08,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:08,937 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:07:08,939 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2024-11-13 21:07:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:09,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:07:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:09,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-13 21:07:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-13 21:07:09,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:07:09,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:09,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:09,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:09,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:09,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:07:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:09,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:09,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:07:09,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:09,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:07:09,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2024-11-13 21:07:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2024-11-13 21:07:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:07:09,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:09,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:09,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:09,439 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:09,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:07:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:09,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:07:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:09,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:07:09,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:10,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:07:10,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-13 21:07:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:10,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:07:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-13 21:07:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-13 21:07:10,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:07:10,908 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 21:07:10,914 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:07:11,013 INFO L75 FloydHoareUtils]: For program point L52-2(lines 52 61) no Hoare annotation was computed. [2024-11-13 21:07:11,013 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 95 113) the Hoare annotation is: true [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point L28(lines 28 29) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_~x#1| .cse0) (exists ((|ULTIMATE.start___ieee754_sqrtf_~ix~0#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) |ULTIMATE.start___ieee754_sqrtf_~hx~0#1|) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))))))) [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point L86-1(lines 86 90) the Hoare annotation is: (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point L86-2(lines 86 90) the Hoare annotation is: (= (fp.neg (_ +zero 8 24)) |ULTIMATE.start___signbit_float_~x#1|) [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point L86-3(lines 86 90) the Hoare annotation is: (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) [2024-11-13 21:07:11,014 INFO L75 FloydHoareUtils]: For program point L37(lines 37 41) no Hoare annotation was computed. [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point __ieee754_sqrtf_returnLabel#1(lines 16 81) the Hoare annotation is: (= |ULTIMATE.start___ieee754_sqrtf_#res#1| (fp.neg (_ +zero 8 24))) [2024-11-13 21:07:11,014 INFO L75 FloydHoareUtils]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point L21-1(lines 21 25) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_~x#1| .cse0) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))))) [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point L21-2(lines 21 25) the Hoare annotation is: (= |ULTIMATE.start___ieee754_sqrtf_~x#1| (fp.neg (_ +zero 8 24))) [2024-11-13 21:07:11,014 INFO L77 FloydHoareUtils]: At program point L21-3(lines 21 25) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_~x#1| .cse0) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))))) [2024-11-13 21:07:11,015 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:07:11,015 INFO L75 FloydHoareUtils]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2024-11-13 21:07:11,015 INFO L77 FloydHoareUtils]: At program point L31(lines 31 32) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_sqrtf_~x#1| .cse0) (exists ((|ULTIMATE.start___ieee754_sqrtf_~ix~0#1| (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) |ULTIMATE.start___ieee754_sqrtf_~hx~0#1|) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_sqrtf_~ix~0#1|))))))) [2024-11-13 21:07:11,015 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2024-11-13 21:07:11,015 INFO L77 FloydHoareUtils]: At program point L107(line 107) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short10#1| (= |ULTIMATE.start_main_~res~0#1| (fp.neg (_ +zero 8 24)))) [2024-11-13 21:07:11,015 INFO L77 FloydHoareUtils]: At program point L107-2(lines 107 110) the Hoare annotation is: |ULTIMATE.start_main_#t~short10#1| [2024-11-13 21:07:11,015 INFO L75 FloydHoareUtils]: For program point L33(lines 33 34) no Hoare annotation was computed. [2024-11-13 21:07:11,015 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:07:11,015 INFO L75 FloydHoareUtils]: For program point L108(line 108) no Hoare annotation was computed. [2024-11-13 21:07:11,016 INFO L75 FloydHoareUtils]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2024-11-13 21:07:11,016 INFO L75 FloydHoareUtils]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2024-11-13 21:07:11,016 INFO L75 FloydHoareUtils]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2024-11-13 21:07:11,023 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-13 21:07:11,025 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-13 21:07:11,025 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-13 21:07:11,025 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-13 21:07:11,026 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 21:07:11,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:11 ImpRootNode [2024-11-13 21:07:11,027 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:11,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:11,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:11,028 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:11,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:04" (3/4) ... [2024-11-13 21:07:11,031 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:07:11,037 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-13 21:07:11,038 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 21:07:11,038 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:07:11,038 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:07:11,130 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:07:11,130 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:07:11,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:11,131 INFO L158 Benchmark]: Toolchain (without parser) took 8854.27ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 41.7MB in the end (delta: 50.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-13 21:07:11,131 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:11,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.28ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:11,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.51ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:11,134 INFO L158 Benchmark]: Boogie Preprocessor took 53.60ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:11,135 INFO L158 Benchmark]: RCFGBuilder took 1654.47ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 52.6MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:07:11,136 INFO L158 Benchmark]: CodeCheck took 6633.87ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 47.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-13 21:07:11,136 INFO L158 Benchmark]: Witness Printer took 103.04ms. Allocated memory is still 117.4MB. Free memory was 47.2MB in the beginning and 41.7MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:11,139 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 223 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 111 mSDtfsCounter, 223 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 489 GetRequests, 458 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 3 QuantifiedInterpolants, 207 SizeOfPredicates, 10 NumberOfNonLiveVariables, 235 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 108]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.28ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.51ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.60ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1654.47ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 52.6MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 6633.87ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 47.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 103.04ms. Allocated memory is still 117.4MB. Free memory was 47.2MB in the beginning and 41.7MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression RESULT: Ultimate proved your program to be correct! [2024-11-13 21:07:11,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4132ebbc-f1a8-4eb9-972f-fb32336d1607/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE