./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.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_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/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_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/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_b282ab36-9f5b-4885-9fe1-d3c581877f98/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 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:50,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:50,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:33:50,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:33:50,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:33:50,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:50,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:50,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:50,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:50,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:50,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:50,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:50,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:50,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:50,278 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:50,278 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:50,278 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:50,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:50,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:50,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:50,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:50,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:50,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:33:50,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:33:50,279 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_b282ab36-9f5b-4885-9fe1-d3c581877f98/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 -> 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 [2024-11-13 21:33:50,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:50,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:50,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:50,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:50,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:50,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c Unable to find full path for "g++" [2024-11-13 21:33:53,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:53,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:53,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2024-11-13 21:33:53,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data/2d64bfd10/23843eeacde440e6a35a49d2dd3987c7/FLAG9da5974c1 [2024-11-13 21:33:53,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data/2d64bfd10/23843eeacde440e6a35a49d2dd3987c7 [2024-11-13 21:33:53,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:53,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:53,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:53,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:53,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:53,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:53" (1/1) ... [2024-11-13 21:33:53,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1006bd91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:53, skipping insertion in model container [2024-11-13 21:33:53,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:53" (1/1) ... [2024-11-13 21:33:53,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:53,940 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_b282ab36-9f5b-4885-9fe1-d3c581877f98/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2024-11-13 21:33:53,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:53,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:53,997 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_b282ab36-9f5b-4885-9fe1-d3c581877f98/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2024-11-13 21:33:53,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:54,017 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:54,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54 WrapperNode [2024-11-13 21:33:54,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:54,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:54,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:54,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:54,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,067 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 180 [2024-11-13 21:33:54,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:54,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:54,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:54,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:54,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:54,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:54,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:54,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:54,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:54" (1/1) ... [2024-11-13 21:33:54,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:54,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:54,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:54,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:33:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:33:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:33:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 21:33:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:33:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 21:33:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:33:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:33:54,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:54,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:54,890 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:54,890 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:55,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:55,188 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 21:33:55,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:55 BoogieIcfgContainer [2024-11-13 21:33:55,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:55,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:55,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:55,206 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:55,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:55" (1/1) ... [2024-11-13 21:33:55,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 21:33:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 21:33:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:33:55,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:55,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:55,497 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 21:33:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 21:33:55,553 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 21:33:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:33:55,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:55,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:55,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:55,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:55,812 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:33:55,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:33:55 ImpRootNode [2024-11-13 21:33:55,856 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:33:55,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:33:55,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:33:55,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:33:55,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:55" (3/4) ... [2024-11-13 21:33:55,862 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:33:55,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:33:55,867 INFO L158 Benchmark]: Toolchain (without parser) took 2250.23ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 72.7MB in the end (delta: 19.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:55,868 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:55,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.95ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:55,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.56ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:55,869 INFO L158 Benchmark]: Boogie Preprocessor took 61.20ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:55,870 INFO L158 Benchmark]: RCFGBuilder took 1059.05ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 38.9MB in the end (delta: 38.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:33:55,870 INFO L158 Benchmark]: CodeCheck took 666.25ms. Allocated memory is still 117.4MB. Free memory was 38.5MB in the beginning and 72.7MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:55,871 INFO L158 Benchmark]: Witness Printer took 6.15ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.7MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:55,877 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 93]: 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 someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someUnaryDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L88] double x = -0.0; [L89] CALL, EXPR round_double(x) [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] EXPR msw & 0x7ff00000 [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L29] COND FALSE !(exponent_less_1023 < 20) VAL [exponent_less_1023=52, lsw=7, msw=1127219200, x=2] [L43] COND TRUE exponent_less_1023 > 51 [L44] COND FALSE !(exponent_less_1023 == 1024) [L47] return x; VAL [\result=2, lsw=7, msw=1127219200] [L89] RET, EXPR round_double(x) [L89] double res = round_double(x); [L92] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=2] [L92] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L93] reach_error() VAL [res=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.95ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.56ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.20ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1059.05ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 38.9MB in the end (delta: 38.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 666.25ms. Allocated memory is still 117.4MB. Free memory was 38.5MB in the beginning and 72.7MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.15ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.7MB in the end (delta: 14.1kB). 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 21:33:55,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/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_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/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_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/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_b282ab36-9f5b-4885-9fe1-d3c581877f98/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 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:58,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:59,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:33:59,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:59,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:59,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:59,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:59,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:59,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:59,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:59,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:33:59,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:33:59,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:59,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:59,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:59,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:59,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:33:59,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:33:59,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:59,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:33:59,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:33:59,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:59,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:59,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:59,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:59,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:59,117 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:33:59,117 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:33:59,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:59,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:59,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:59,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:59,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:59,118 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:33:59,118 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:33:59,118 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:33:59,118 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_b282ab36-9f5b-4885-9fe1-d3c581877f98/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 -> 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 [2024-11-13 21:33:59,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:59,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:59,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:59,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:59,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:59,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c Unable to find full path for "g++" [2024-11-13 21:34:01,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:34:01,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:34:01,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2024-11-13 21:34:01,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data/ca11722cb/a994f0332ed8417d86a817cf064eba2f/FLAG3d205c154 [2024-11-13 21:34:01,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/data/ca11722cb/a994f0332ed8417d86a817cf064eba2f [2024-11-13 21:34:01,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:34:01,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:34:01,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:01,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:34:01,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:34:01,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:01" (1/1) ... [2024-11-13 21:34:01,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e87708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:01, skipping insertion in model container [2024-11-13 21:34:01,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:01" (1/1) ... [2024-11-13 21:34:02,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:34:02,247 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_b282ab36-9f5b-4885-9fe1-d3c581877f98/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2024-11-13 21:34:02,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:02,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:34:02,318 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_b282ab36-9f5b-4885-9fe1-d3c581877f98/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c[2284,2297] [2024-11-13 21:34:02,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:02,348 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:34:02,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02 WrapperNode [2024-11-13 21:34:02,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:02,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:02,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:34:02,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:34:02,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,402 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-13 21:34:02,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:02,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:34:02,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:34:02,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:34:02,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:34:02,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:34:02,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:34:02,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:34:02,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:02" (1/1) ... [2024-11-13 21:34:02,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:02,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:34:02,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:34:02,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 21:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 21:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:34:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:34:02,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:34:02,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:34:03,007 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:34:03,007 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:34:03,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:34:03,085 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 21:34:03,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:03 BoogieIcfgContainer [2024-11-13 21:34:03,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:34:03,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:34:03,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:34:03,099 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:34:03,099 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:03" (1/1) ... [2024-11-13 21:34:03,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:34:03,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 21:34:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 21:34:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:34:03,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:03,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:03,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:03,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:03,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:34:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:03,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:03,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:34:03,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:03,427 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 21:34:03,430 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:34:03,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:34:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 21:34:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 21:34:03,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:34:03,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:03,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:03,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:03,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:03,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:34:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:03,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:03,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:34:03,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:04,230 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 21:34:04,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:34:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:04,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 21:34:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 21:34:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:34:04,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:04,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:04,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:04,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:04,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:34:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:04,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:04,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:34:04,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:04,808 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 21:34:04,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:34:06,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 21:34:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:34:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:34:06,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:06,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:06,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:06,506 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:06,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:34:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:06,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:06,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:34:06,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:06,710 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 21:34:06,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:34:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 21:34:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 21:34:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:34:06,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:06,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:06,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:06,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:06,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:34:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:07,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:07,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:34:07,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:07,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-13 21:34:07,915 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 42 treesize of output 26 [2024-11-13 21:34:07,966 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 21:34:07,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:34:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-13 21:34:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-13 21:34:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:34:10,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:10,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:10,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:10,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:10,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:34:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:10,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:10,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:34:10,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:10,517 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 21:34:10,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:34:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2024-11-13 21:34:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2024-11-13 21:34:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:34:10,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:10,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:10,549 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:10,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:34:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:10,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:10,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:34:10,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:10,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:34:10,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-13 21:34:11,950 INFO L349 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2024-11-13 21:34:11,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 39 [2024-11-13 21:34:12,985 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-13 21:34:12,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 39 [2024-11-13 21:34:13,232 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 21:34:13,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 21:34:19,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2024-11-13 21:34:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2024-11-13 21:34:19,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:34:19,620 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 21:34:19,639 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:34:19,843 INFO L75 FloydHoareUtils]: For program point L93(line 93) no Hoare annotation was computed. [2024-11-13 21:34:19,847 INFO L77 FloydHoareUtils]: At program point round_double_returnLabel#1(lines 19 66) the Hoare annotation is: (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (|v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16|))) (let ((.cse2 (select .cse0 (_ bv4 32))) (.cse3 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|)) (.cse4 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|))) (and (= (_ bv0 32) (select .cse0 (_ bv0 32))) (= (let ((.cse1 (concat .cse2 (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res#1|) (= (select .cse3 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse4)) (= (select .cse3 (_ bv4 32)) .cse4))))) [2024-11-13 21:34:19,848 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 80 98) the Hoare annotation is: true [2024-11-13 21:34:19,848 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) no Hoare annotation was computed. [2024-11-13 21:34:19,848 INFO L75 FloydHoareUtils]: For program point L37(lines 37 38) no Hoare annotation was computed. [2024-11-13 21:34:19,848 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:34:19,849 INFO L77 FloydHoareUtils]: At program point L29(lines 29 58) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) .cse0) (= (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (_ bv20 32)) (bvadd (_ bv1023 32) |ULTIMATE.start_round_double_~exponent_less_1023~0#1|)))) (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|))) (let ((.cse2 (select .cse1 (_ bv4 32)))) (and (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) .cse0) (= .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (= .cse2 |ULTIMATE.start_round_double_~msw~0#1|))))) (= |ULTIMATE.start_round_double_~x#1| .cse0))) [2024-11-13 21:34:19,849 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:34:19,849 INFO L77 FloydHoareUtils]: At program point L71-1(lines 71 75) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_22| (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_22|))) (= |ULTIMATE.start___signbit_double_~msw~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_22|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))))) [2024-11-13 21:34:19,849 INFO L77 FloydHoareUtils]: At program point L71-2(lines 71 75) the Hoare annotation is: (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (|v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16|))) (let ((.cse2 (select .cse0 (_ bv4 32))) (.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|)) (.cse3 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|))) (and (= (_ bv0 32) (select .cse0 (_ bv0 32))) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse3)) (= (let ((.cse4 (concat .cse2 (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start___signbit_double_~x#1|) (= (select .cse1 (_ bv4 32)) .cse3))))) [2024-11-13 21:34:19,850 INFO L77 FloydHoareUtils]: At program point L71-3(lines 71 75) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_22| (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_22|))) (= |ULTIMATE.start___signbit_double_~msw~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_22|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))))) [2024-11-13 21:34:19,850 INFO L77 FloydHoareUtils]: At program point L30(lines 30 42) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) .cse0) (= (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (_ bv20 32)) (bvadd (_ bv1023 32) |ULTIMATE.start_round_double_~exponent_less_1023~0#1|)))) (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|))) (let ((.cse2 (select .cse1 (_ bv4 32)))) (and (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) .cse0) (= .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (= .cse2 |ULTIMATE.start_round_double_~msw~0#1|))))) (= |ULTIMATE.start_round_double_~x#1| .cse0))) [2024-11-13 21:34:19,850 INFO L77 FloydHoareUtils]: At program point L92(line 92) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short10#1| (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (|v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16|))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|)) (.cse3 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (.cse2 (select .cse0 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (_ bv0 32))) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse3)) (= (select .cse1 (_ bv4 32)) .cse3) (= |ULTIMATE.start_main_~res~0#1| (let ((.cse4 (concat .cse2 (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))))))) [2024-11-13 21:34:19,851 INFO L77 FloydHoareUtils]: At program point L59(lines 59 64) the Hoare annotation is: (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (|v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16|))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|)) (.cse3 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (.cse2 (select .cse0 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (_ bv0 32))) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse3)) (= (select .cse1 (_ bv4 32)) .cse3) (= |ULTIMATE.start_round_double_~x#1| (let ((.cse4 (concat .cse2 (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))))) [2024-11-13 21:34:19,851 INFO L77 FloydHoareUtils]: At program point L59-1(lines 59 64) the Hoare annotation is: (and (= (_ bv0 32) |ULTIMATE.start_round_double_~lsw~0#1|) (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= (bvand .cse0 (_ bv2147483648 32)) |ULTIMATE.start_round_double_~msw~0#1|) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|))))))) [2024-11-13 21:34:19,853 INFO L77 FloydHoareUtils]: At program point L92-2(lines 92 95) the Hoare annotation is: |ULTIMATE.start_main_#t~short10#1| [2024-11-13 21:34:19,853 INFO L77 FloydHoareUtils]: At program point L59-2(lines 59 64) the Hoare annotation is: (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (|v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#iw_u~0#1.base_16|))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|)) (.cse3 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (.cse2 (select .cse0 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (_ bv0 32))) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse3)) (= (select .cse1 (_ bv4 32)) .cse3) (= |ULTIMATE.start_round_double_~x#1| (let ((.cse4 (concat .cse2 (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))))) [2024-11-13 21:34:19,854 INFO L77 FloydHoareUtils]: At program point L22-1(lines 22 27) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|))) (let ((.cse2 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) .cse1) (= .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (= .cse2 |ULTIMATE.start_round_double_~msw~0#1|))))) (= |ULTIMATE.start_round_double_~x#1| .cse1))) [2024-11-13 21:34:19,854 INFO L77 FloydHoareUtils]: At program point L22-2(lines 22 27) the Hoare annotation is: (= |ULTIMATE.start_round_double_~x#1| (fp.neg (_ +zero 11 53))) [2024-11-13 21:34:19,854 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 27) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_23|))) (let ((.cse2 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_21|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) .cse1) (= .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|)) (= .cse2 |ULTIMATE.start_round_double_~msw~0#1|))))) (= |ULTIMATE.start_round_double_~x#1| .cse1))) [2024-11-13 21:34:19,856 INFO L75 FloydHoareUtils]: For program point L51(lines 51 52) no Hoare annotation was computed. [2024-11-13 21:34:19,856 INFO L75 FloydHoareUtils]: For program point L43(lines 43 58) no Hoare annotation was computed. [2024-11-13 21:34:19,866 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:34:19,871 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:34:19,881 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:34:19,883 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 21:34:19,885 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-13 21:34:19,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:34:19 ImpRootNode [2024-11-13 21:34:19,887 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:34:19,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:34:19,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:34:19,888 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:34:19,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:03" (3/4) ... [2024-11-13 21:34:19,893 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:34:19,904 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-13 21:34:19,905 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 21:34:19,906 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:34:19,906 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:34:20,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:34:20,057 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:34:20,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:34:20,059 INFO L158 Benchmark]: Toolchain (without parser) took 18080.92ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 55.7MB in the end (delta: 4.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,060 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:20,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.16ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 47.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.57ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,063 INFO L158 Benchmark]: Boogie Preprocessor took 61.57ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 45.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:20,065 INFO L158 Benchmark]: RCFGBuilder took 620.04ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 26.8MB in the end (delta: 18.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,066 INFO L158 Benchmark]: CodeCheck took 16800.28ms. Allocated memory is still 83.9MB. Free memory was 26.8MB in the beginning and 19.2MB in the end (delta: 7.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,066 INFO L158 Benchmark]: Witness Printer took 169.17ms. Allocated memory is still 83.9MB. Free memory was 19.2MB in the beginning and 55.7MB in the end (delta: -36.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,067 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 227 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 430 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 157 mSDtfsCounter, 430 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 733 GetRequests, 663 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1501 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 20 QuantifiedInterpolants, 966 SizeOfPredicates, 15 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (0 == lsw) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.16ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 47.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.57ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.57ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 45.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 620.04ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 26.8MB in the end (delta: 18.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 16800.28ms. Allocated memory is still 83.9MB. Free memory was 26.8MB in the beginning and 19.2MB in the end (delta: 7.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 169.17ms. Allocated memory is still 83.9MB. Free memory was 19.2MB in the beginning and 55.7MB in the end (delta: -36.4MB). Peak memory consumption was 8.9MB. 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 - 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 RESULT: Ultimate proved your program to be correct! [2024-11-13 21:34:20,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b282ab36-9f5b-4885-9fe1-d3c581877f98/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