./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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 a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:59:45,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:59:45,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:59:45,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:59:45,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:59:45,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:59:45,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:59:45,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:59:45,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:59:45,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:59:45,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:59:45,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:59:45,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:59:45,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:59:45,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:59:45,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:59:45,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:59:45,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:59:45,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:59:45,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:45,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:59:45,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:59:45,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:59:45,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:59:45,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:59:45,463 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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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 -> a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 [2024-11-13 22:59:45,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:59:45,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:59:45,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:59:45,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:59:45,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:59:45,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c Unable to find full path for "g++" [2024-11-13 22:59:47,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:59:47,995 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:59:47,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c [2024-11-13 22:59:48,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data/04a6dd192/b68bfc9e9f714135b7286d0755c63e7f/FLAG0f80181bd [2024-11-13 22:59:48,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data/04a6dd192/b68bfc9e9f714135b7286d0755c63e7f [2024-11-13 22:59:48,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:59:48,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:59:48,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:48,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:59:48,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:59:48,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55211b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48, skipping insertion in model container [2024-11-13 22:59:48,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:59:48,298 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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2024-11-13 22:59:48,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:48,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:59:48,344 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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2024-11-13 22:59:48,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:48,369 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:59:48,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48 WrapperNode [2024-11-13 22:59:48,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:48,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:48,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:59:48,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:59:48,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,415 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-13 22:59:48,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:48,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:59:48,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:59:48,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:59:48,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:59:48,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:59:48,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:59:48,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:59:48,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:48,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:59:48,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:59:48,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:59:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:59:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:59:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:59:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-13 22:59:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-13 22:59:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:59:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:59:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:59:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:59:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:59:48,637 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:59:48,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:59:48,858 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 22:59:48,859 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:59:48,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:59:48,965 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 22:59:48,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:48 BoogieIcfgContainer [2024-11-13 22:59:48,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:59:48,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:59:48,967 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:59:48,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:59:48,979 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:48" (1/1) ... [2024-11-13 22:59:48,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:59:49,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 22:59:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 22:59:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:59:49,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:49,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:49,214 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 22:59:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-13 22:59:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 22:59:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:59:49,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:49,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:49,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:59:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:49,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:59:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:49,542 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:59:49,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:59:49 ImpRootNode [2024-11-13 22:59:49,579 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:59:49,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:59:49,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:59:49,581 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:59:49,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:48" (3/4) ... [2024-11-13 22:59:49,585 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:59:49,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:59:49,587 INFO L158 Benchmark]: Toolchain (without parser) took 1540.47ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 40.0MB in the end (delta: 53.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:59:49,590 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:49,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.13ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:59:49,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.95ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:49,591 INFO L158 Benchmark]: Boogie Preprocessor took 41.16ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:49,591 INFO L158 Benchmark]: RCFGBuilder took 505.98ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 60.9MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:59:49,592 INFO L158 Benchmark]: CodeCheck took 612.83ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 40.3MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:59:49,593 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 40.0MB in the end (delta: 359.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:49,595 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 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 81]: 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 80, overapproximation of someUnaryFLOAToperation at line 74. Possible FailurePath: [L74] float x = -0.0f; [L75] float y = 0.0f; [L77] CALL, EXPR fmax_float(x, y) [L45] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L22] __uint32_t w; VAL [\old(x)=2, x=2] [L25] ieee_float_shape_type gf_u; [L26] gf_u.value = (x) [L27] EXPR gf_u.word [L27] (w) = gf_u.word [L30] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L32-L33] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L35-L36] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L38] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L41] return 0; [L45] RET, EXPR __fpclassify_float(x) VAL [x=2, y=0] [L45] COND TRUE __fpclassify_float(x) == 0 [L46] return y; VAL [\result=0, x=2] [L77] RET, EXPR fmax_float(x, y) [L77] float res = fmax_float(x, y); [L80] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=0] [L80] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L81] reach_error() VAL [res=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.13ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.95ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.16ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.98ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 60.9MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 612.83ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 40.3MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 40.0MB in the end (delta: 359.8kB). 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 22:59:49,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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 a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:59:52,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:59:52,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:59:52,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:59:52,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:59:52,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:59:52,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:59:52,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:59:52,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:59:52,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:59:52,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:59:52,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:59:52,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:59:52,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:59:52,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:59:52,659 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:59:52,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:59:52,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:59:52,660 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:52,660 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:59:52,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:59:52,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:52,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:59:52,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:59:52,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:59:52,662 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:59:52,663 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:52,663 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:59:52,663 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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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 -> a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 [2024-11-13 22:59:53,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:59:53,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:59:53,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:59:53,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:59:53,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:59:53,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c Unable to find full path for "g++" [2024-11-13 22:59:55,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:59:55,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:59:55,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c [2024-11-13 22:59:55,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data/8dcbce71d/50b7f56ffe2d419a9e0aac7cff1b52b0/FLAGb39b4b58a [2024-11-13 22:59:55,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/data/8dcbce71d/50b7f56ffe2d419a9e0aac7cff1b52b0 [2024-11-13 22:59:55,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:59:55,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:59:55,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:55,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:59:55,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:59:55,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d733125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55, skipping insertion in model container [2024-11-13 22:59:55,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:59:55,840 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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2024-11-13 22:59:55,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:55,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:59:55,879 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_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2024-11-13 22:59:55,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:55,898 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:59:55,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55 WrapperNode [2024-11-13 22:59:55,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:55,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:55,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:59:55,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:59:55,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,939 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-13 22:59:55,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:55,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:59:55,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:59:55,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:59:55,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:59:55,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:59:55,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:59:55,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:59:55,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:55" (1/1) ... [2024-11-13 22:59:55,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:56,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:59:56,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:59:56,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:59:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:59:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:59:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:59:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-13 22:59:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-13 22:59:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:59:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:59:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:59:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 22:59:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:59:56,179 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:59:56,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:59:56,469 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 22:59:56,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:59:56,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:59:56,579 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 22:59:56,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:56 BoogieIcfgContainer [2024-11-13 22:59:56,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:59:56,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:59:56,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:59:56,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:59:56,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:56" (1/1) ... [2024-11-13 22:59:56,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:59:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-13 22:59:56,681 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-13 22:59:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:59:56,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:56,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:56,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:56,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:56,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:59:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:56,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:56,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:59:56,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:56,931 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 22:59:56,933 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:59:56,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:59:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 22:59:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 22:59:56,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:59:56,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:56,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:56,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:56,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:56,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:59:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:57,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:57,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:59:57,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:57,284 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 22:59:57,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:59:57,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:57,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2024-11-13 22:59:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 22:59:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:59:57,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:57,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:57,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:57,440 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:59:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:57,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:57,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:59:57,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:57,621 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 22:59:57,623 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:59:57,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:59:57,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2024-11-13 22:59:57,631 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 22:59:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:59:57,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:57,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:57,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:57,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:57,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:59:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:57,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:57,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:59:57,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:57,992 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 22:59:58,002 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 29 treesize of output 13 [2024-11-13 22:59:58,082 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 22:59:58,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:59:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2024-11-13 22:59:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-13 22:59:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:59:58,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:58,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:58,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:58,355 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:58,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:59:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:58,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:58,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:59:58,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:58,742 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 22:59:58,745 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 29 treesize of output 13 [2024-11-13 23:00:00,555 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:00:00,557 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 23:00:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 23:00:01,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:00:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 18 transitions. [2024-11-13 23:00:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-13 23:00:03,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:00:03,025 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 23:00:03,033 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:00:03,210 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:00:03,210 INFO L77 FloydHoareUtils]: At program point fmax_float_returnLabel#1(lines 44 53) the Hoare annotation is: true [2024-11-13 23:00:03,211 INFO L77 FloydHoareUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2024-11-13 23:00:03,211 INFO L77 FloydHoareUtils]: At program point L58-2(lines 58 62) the Hoare annotation is: true [2024-11-13 23:00:03,211 INFO L77 FloydHoareUtils]: At program point L58-3(lines 58 62) the Hoare annotation is: true [2024-11-13 23:00:03,211 INFO L77 FloydHoareUtils]: At program point L81(line 81) the Hoare annotation is: true [2024-11-13 23:00:03,211 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:00:03,211 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 67 86) the Hoare annotation is: true [2024-11-13 23:00:03,211 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) the Hoare annotation is: true [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L49-1(lines 49 51) the Hoare annotation is: true [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L80(line 80) the Hoare annotation is: true [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L80-2(lines 80 83) the Hoare annotation is: true [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: (and (= (fp.neg (_ +zero 8 24)) |ULTIMATE.start_fmax_float_~x#1|) (= |ULTIMATE.start_fmax_float_~y#1| (_ +zero 8 24))) [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L45-1(lines 45 47) the Hoare annotation is: true [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L24-1(lines 24 28) the Hoare annotation is: (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) __fpclassify_float_~w~0) ((_ extract 30 23) __fpclassify_float_~w~0) ((_ extract 22 0) __fpclassify_float_~w~0))) [2024-11-13 23:00:03,212 INFO L77 FloydHoareUtils]: At program point L24-2(lines 24 28) the Hoare annotation is: (= |__fpclassify_float_#in~x| __fpclassify_float_~x) [2024-11-13 23:00:03,213 INFO L77 FloydHoareUtils]: At program point L24-3(lines 21 42) the Hoare annotation is: (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) __fpclassify_float_~w~0) ((_ extract 30 23) __fpclassify_float_~w~0) ((_ extract 22 0) __fpclassify_float_~w~0))) [2024-11-13 23:00:03,213 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 21 42) the Hoare annotation is: true [2024-11-13 23:00:03,214 INFO L77 FloydHoareUtils]: At program point __fpclassify_floatEXIT(lines 21 42) the Hoare annotation is: (or (and (or (= |__fpclassify_float_#in~x| (fp (_ bv1 1) (_ bv0 8) (_ bv0 23))) (= (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)) |__fpclassify_float_#in~x|)) (= (_ bv2 32) |__fpclassify_float_#res|)) (and (= (_ bv1 32) |__fpclassify_float_#res|) (or (= |__fpclassify_float_#in~x| (fp (_ bv1 1) (_ bv255 8) (_ bv0 23))) (= |__fpclassify_float_#in~x| (fp (_ bv0 1) (_ bv255 8) (_ bv0 23))))) (and (or (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvuge v___fpclassify_float_~w~0_27 (_ bv1 32)) (bvule v___fpclassify_float_~w~0_27 (_ bv8388607 32)))) (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvuge v___fpclassify_float_~w~0_27 (_ bv2147483649 32)) (bvule v___fpclassify_float_~w~0_27 (_ bv2155872255 32))))) (= (_ bv3 32) |__fpclassify_float_#res|)) (and (or (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (bvuge v___fpclassify_float_~w~0_27 (_ bv2155872256 32)) (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvule v___fpclassify_float_~w~0_27 (_ bv4286578687 32)))) (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (bvule v___fpclassify_float_~w~0_27 (_ bv2139095039 32)) (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvuge v___fpclassify_float_~w~0_27 (_ bv8388608 32))))) (= (_ bv4 32) |__fpclassify_float_#res|)) (and (= (_ bv0 32) |__fpclassify_float_#res|) (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (not (bvuge v___fpclassify_float_~w~0_27 (_ bv2147483649 32))) (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (not (bvule v___fpclassify_float_~w~0_27 (_ bv2139095039 32))) (not (= (_ bv2139095040 32) v___fpclassify_float_~w~0_27)) (not (= (_ bv0 32) (bvadd (_ bv2147483648 32) v___fpclassify_float_~w~0_27))))))) [2024-11-13 23:00:03,251 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unable to backtranslate infinite floats [2024-11-13 23:00:03,252 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unable to backtranslate infinite floats [2024-11-13 23:00:03,252 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:00:03,252 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:00:03,252 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:00:03,252 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:00:03,253 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:00:03,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:00:03 ImpRootNode [2024-11-13 23:00:03,259 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:00:03,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:00:03,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:00:03,260 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:00:03,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:56" (3/4) ... [2024-11-13 23:00:03,263 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:00:03,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2024-11-13 23:00:03,272 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-13 23:00:03,273 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:00:03,273 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:00:03,274 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:00:03,307 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2024-11-13 23:00:03,324 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2024-11-13 23:00:03,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:00:03,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:00:03,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:00:03,367 INFO L158 Benchmark]: Toolchain (without parser) took 7748.31ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 60.7MB in the beginning and 64.0MB in the end (delta: -3.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-13 23:00:03,368 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:00:03,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.46ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 48.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:03,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.34ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:00:03,370 INFO L158 Benchmark]: Boogie Preprocessor took 45.10ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:00:03,371 INFO L158 Benchmark]: RCFGBuilder took 594.08ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 27.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:00:03,371 INFO L158 Benchmark]: CodeCheck took 6678.70ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 27.0MB in the beginning and 68.5MB in the end (delta: -41.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-13 23:00:03,371 INFO L158 Benchmark]: Witness Printer took 106.17ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 64.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:03,373 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 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 115 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 502 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 460 SizeOfPredicates, 8 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 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: 81]: 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: 24]: Loop Invariant Derived loop invariant: (\old(x) == x) - ProcedureContractResult [Line: 21]: Procedure Contract for __fpclassify_float Derived contract for procedure __fpclassify_float. Ensures: (((((((x == 0.0) || (0.0 == x)) && (2 == \result)) || (1 == \result)) || (3 == \result)) || (4 == \result)) || (0 == \result)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.46ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 48.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.34ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.10ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 594.08ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 27.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6678.70ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 27.0MB in the beginning and 68.5MB in the end (delta: -41.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 106.17ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 64.0MB in the end (delta: 4.5MB). 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: Unable to backtranslate infinite floats - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unable to backtranslate infinite floats - 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: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-13 23:00:03,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a41fe1-6c68-4b8c-bb30-e970e713a5e1/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