./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1071.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_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/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_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/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_1a141194-0602-44fa-bc81-83f4428e6cb5/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 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:03:08,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:03:08,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:03:08,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:03:08,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:03:08,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:03:08,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:03:08,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:03:08,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:03:08,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:03:08,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:03:08,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:03:08,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:03:08,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:03:08,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:03:08,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:03:08,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:03:08,229 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:03:08,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:03:08,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:03:08,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:08,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:03:08,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:03:08,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:03:08,232 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:03:08,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:03:08,232 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_1a141194-0602-44fa-bc81-83f4428e6cb5/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 -> 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd [2024-11-13 21:03:08,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:03:08,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:03:08,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:03:08,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:03:08,585 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:03:08,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c Unable to find full path for "g++" [2024-11-13 21:03:10,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:10,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:10,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/sv-benchmarks/c/float-newlib/float_req_bl_1071.c [2024-11-13 21:03:10,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data/488fa038a/9bb0a83caf89431892f59da343a3ac36/FLAG082aedcc1 [2024-11-13 21:03:11,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data/488fa038a/9bb0a83caf89431892f59da343a3ac36 [2024-11-13 21:03:11,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:11,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:11,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:11,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:11,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:11,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec7f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11, skipping insertion in model container [2024-11-13 21:03:11,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:11,394 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_1a141194-0602-44fa-bc81-83f4428e6cb5/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442] [2024-11-13 21:03:11,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:11,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:11,445 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_1a141194-0602-44fa-bc81-83f4428e6cb5/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442] [2024-11-13 21:03:11,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:11,465 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:11,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11 WrapperNode [2024-11-13 21:03:11,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:11,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:11,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:11,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:11,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,518 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-13 21:03:11,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:11,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:11,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:11,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:11,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:11,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:11,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:11,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:11,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:11,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:11,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:03:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:03:11,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:11,720 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:11,966 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:11,966 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:12,143 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:12,144 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 21:03:12,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:12 BoogieIcfgContainer [2024-11-13 21:03:12,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:12,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:12,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:12,158 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:12,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:12" (1/1) ... [2024-11-13 21:03:12,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:12,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-11-13 21:03:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-13 21:03:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:03:12,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:12,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:12,391 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 21:03:12,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-13 21:03:12,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 21:03:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:03:12,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:12,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:12,774 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 21:03:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 21:03:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 21:03:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:03:12,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:12,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:12,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:03:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:13,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:03:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:03:13,064 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 21:03:13,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:03:13 ImpRootNode [2024-11-13 21:03:13,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:03:13,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:03:13,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:03:13,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:03:13,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:12" (3/4) ... [2024-11-13 21:03:13,111 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:03:13,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:03:13,115 INFO L158 Benchmark]: Toolchain (without parser) took 1991.85ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 99.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-13 21:03:13,117 INFO L158 Benchmark]: CDTParser took 1.06ms. 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 21:03:13,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.11ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 107.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:13,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.80ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:13,120 INFO L158 Benchmark]: Boogie Preprocessor took 32.08ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:13,120 INFO L158 Benchmark]: RCFGBuilder took 592.69ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 82.4MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:03:13,121 INFO L158 Benchmark]: CodeCheck took 960.33ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 99.8MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:13,122 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 21.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:13,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 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, 0.4s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 59]: 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 46, overapproximation of bitwiseAnd at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L54] float x = 0.0f / 0.0f; [L55] CALL, EXPR trunc_float(x) [L15] __int32_t signbit, w, exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L21] signbit = w & 0x80000000 [L22] EXPR w & 0x7f800000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) VAL [exponent_less_127=23, signbit=0, w=2139095041, x=2] [L39] COND FALSE !(exponent_less_127 == 255) VAL [signbit=0, w=2139095041, x=2] [L42] return x; VAL [\result=2, signbit=0, w=2139095041] [L55] RET, EXPR trunc_float(x) [L55] float res = trunc_float(x); [L58] CALL, EXPR isnan_float(res) [L46] return x != x; [L58] RET, EXPR isnan_float(res) [L58] COND TRUE !isnan_float(res) [L59] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.11ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 107.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.80ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.08ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 592.69ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 82.4MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 960.33ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 99.8MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 99.7MB in the end (delta: 21.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:03:13,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/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_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/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_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/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_1a141194-0602-44fa-bc81-83f4428e6cb5/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 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:03:15,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:03:16,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:03:16,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:03:16,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:03:16,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:03:16,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:03:16,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:03:16,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:03:16,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:03:16,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:03:16,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:03:16,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:03:16,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:03:16,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:03:16,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:03:16,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:03:16,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:03:16,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:03:16,149 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:16,149 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:03:16,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:03:16,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:16,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:03:16,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:03:16,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:03:16,155 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:03:16,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:16,155 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:03:16,155 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_1a141194-0602-44fa-bc81-83f4428e6cb5/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 -> 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd [2024-11-13 21:03:16,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:03:16,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:03:16,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:03:16,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:03:16,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:03:16,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c Unable to find full path for "g++" [2024-11-13 21:03:18,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:03:18,791 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:03:18,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/sv-benchmarks/c/float-newlib/float_req_bl_1071.c [2024-11-13 21:03:18,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data/108e6c6f3/f0ae5e8c083b47388b465623daf62a7b/FLAG2b73031e6 [2024-11-13 21:03:18,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/data/108e6c6f3/f0ae5e8c083b47388b465623daf62a7b [2024-11-13 21:03:18,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:03:18,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:03:18,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:18,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:03:18,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:03:18,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:18" (1/1) ... [2024-11-13 21:03:18,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4fe391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:18, skipping insertion in model container [2024-11-13 21:03:18,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:03:18" (1/1) ... [2024-11-13 21:03:18,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:03:19,119 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_1a141194-0602-44fa-bc81-83f4428e6cb5/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442] [2024-11-13 21:03:19,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:19,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:03:19,173 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_1a141194-0602-44fa-bc81-83f4428e6cb5/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442] [2024-11-13 21:03:19,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:03:19,202 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:03:19,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19 WrapperNode [2024-11-13 21:03:19,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:03:19,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:19,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:03:19,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:03:19,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,239 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 21:03:19,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:03:19,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:03:19,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:03:19,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:03:19,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:03:19,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:03:19,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:03:19,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:03:19,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:03:19,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:03:19,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:03:19,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:03:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:03:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:03:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:03:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:03:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:03:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:03:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:03:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:03:19,465 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:03:19,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:19,713 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:19,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:19,765 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:19,765 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 21:03:19,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:19 BoogieIcfgContainer [2024-11-13 21:03:19,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:19,767 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:19,767 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:19,785 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:19,785 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:19" (1/1) ... [2024-11-13 21:03:19,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-11-13 21:03:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-13 21:03:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:03:19,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:19,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:19,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:19,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:19,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:03:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:19,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:20,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:03:20,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:20,050 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 21:03:20,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:03:20,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-13 21:03:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 21:03:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:03:20,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:20,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:20,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:20,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:20,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:03:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:20,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:20,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:03:20,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:20,432 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 21:03:20,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:03:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 21:03:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 21:03:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:03:20,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:20,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:20,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:20,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:20,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:03:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:20,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:20,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:03:20,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:21,143 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 21:03:21,145 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:03:21,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:03:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 21:03:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 21:03:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:03:22,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:22,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:22,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:22,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:22,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:03:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:22,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:22,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:03:22,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:22,542 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 21:03:22,548 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 32 treesize of output 16 [2024-11-13 21:03:22,929 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 21:03:22,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:03:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-13 21:03:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-13 21:03:24,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:03:24,633 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:03:24,642 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:03:24,758 INFO L77 FloydHoareUtils]: At program point L23(lines 23 41) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_trunc_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((|ULTIMATE.start_trunc_float_~w~0#1| (_ BitVec 32))) (and (= (bvashr (bvand (_ bv2139095040 32) |ULTIMATE.start_trunc_float_~w~0#1|) (_ bv23 32)) (bvadd (_ bv127 32) |ULTIMATE.start_trunc_float_~exponent_less_127~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_~w~0#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))))) [2024-11-13 21:03:24,758 INFO L77 FloydHoareUtils]: At program point L23-1(lines 23 41) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_trunc_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) [2024-11-13 21:03:24,758 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 48 64) the Hoare annotation is: true [2024-11-13 21:03:24,758 INFO L75 FloydHoareUtils]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2024-11-13 21:03:24,758 INFO L75 FloydHoareUtils]: For program point L32-2(lines 32 36) no Hoare annotation was computed. [2024-11-13 21:03:24,758 INFO L75 FloydHoareUtils]: For program point L24(lines 24 37) no Hoare annotation was computed. [2024-11-13 21:03:24,758 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 59) no Hoare annotation was computed. [2024-11-13 21:03:24,758 INFO L77 FloydHoareUtils]: At program point L16-1(lines 16 20) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_~w~0#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_trunc_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))) [2024-11-13 21:03:24,758 INFO L77 FloydHoareUtils]: At program point L16-2(lines 16 20) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_trunc_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) [2024-11-13 21:03:24,759 INFO L77 FloydHoareUtils]: At program point L16-3(lines 16 20) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_~w~0#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_trunc_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))) [2024-11-13 21:03:24,759 INFO L77 FloydHoareUtils]: At program point trunc_float_returnLabel#1(lines 14 43) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res#1|)) [2024-11-13 21:03:24,759 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:03:24,759 INFO L77 FloydHoareUtils]: At program point L58(lines 58 61) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret8#1|) [2024-11-13 21:03:24,759 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:03:24,759 INFO L75 FloydHoareUtils]: For program point L59(line 59) no Hoare annotation was computed. [2024-11-13 21:03:24,759 INFO L75 FloydHoareUtils]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2024-11-13 21:03:24,759 INFO L75 FloydHoareUtils]: For program point L26-2(lines 26 30) no Hoare annotation was computed. [2024-11-13 21:03:24,759 INFO L77 FloydHoareUtils]: At program point L39(lines 39 40) the Hoare annotation is: (and (exists ((|ULTIMATE.start_trunc_float_~w~0#1| (_ BitVec 32))) (= (bvashr (bvand (_ bv2139095040 32) |ULTIMATE.start_trunc_float_~w~0#1|) (_ bv23 32)) (bvadd (_ bv127 32) |ULTIMATE.start_trunc_float_~exponent_less_127~0#1|))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_trunc_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (not (bvslt |ULTIMATE.start_trunc_float_~exponent_less_127~0#1| (_ bv23 32)))) [2024-11-13 21:03:24,767 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:03:24,768 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:03:24,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:03:24 ImpRootNode [2024-11-13 21:03:24,769 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:03:24,770 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:03:24,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:03:24,770 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:03:24,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:19" (3/4) ... [2024-11-13 21:03:24,773 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:03:24,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 21:03:24,781 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 21:03:24,781 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:03:24,782 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:03:24,862 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:03:24,862 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:03:24,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:03:24,864 INFO L158 Benchmark]: Toolchain (without parser) took 6002.48ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 53.2MB in the end (delta: 39.3MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,865 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:24,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.22ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.26ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:03:24,867 INFO L158 Benchmark]: Boogie Preprocessor took 30.96ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,868 INFO L158 Benchmark]: RCFGBuilder took 494.39ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 65.0MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,868 INFO L158 Benchmark]: CodeCheck took 5002.89ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 57.9MB in the end (delta: 6.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,872 INFO L158 Benchmark]: Witness Printer took 92.30ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 53.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:03:24,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 51 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 13 QuantifiedInterpolants, 155 SizeOfPredicates, 6 NumberOfNonLiveVariables, 140 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 59]: 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 0.48ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.22ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.26ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.96ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 494.39ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 65.0MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 5002.89ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 57.9MB in the end (delta: 6.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Witness Printer took 92.30ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 53.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-13 21:03:24,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a141194-0602-44fa-bc81-83f4428e6cb5/bin/ukojak-verify-EEHR8qb7sm/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