./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:27,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:27,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:27,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:27,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:27,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:27,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:27,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:27,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:27,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:27,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:27,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:27,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:27,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:27,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:27,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:27,148 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:27,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:27,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:27,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:27,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:27,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:27,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:27,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:27,151 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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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 -> 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 [2024-11-13 20:17:27,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:27,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:27,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:27,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:27,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:27,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c Unable to find full path for "g++" [2024-11-13 20:17:29,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:29,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:29,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c [2024-11-13 20:17:29,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data/abeb9882a/1595ba0db55a453282c9dad6993e1c4c/FLAG383ffa952 [2024-11-13 20:17:30,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data/abeb9882a/1595ba0db55a453282c9dad6993e1c4c [2024-11-13 20:17:30,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:30,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:30,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:30,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:30,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:30,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2e116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30, skipping insertion in model container [2024-11-13 20:17:30,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:30,307 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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-13 20:17:30,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:30,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:30,362 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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-13 20:17:30,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:30,385 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:30,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30 WrapperNode [2024-11-13 20:17:30,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:30,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:30,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:30,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:30,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,429 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-13 20:17:30,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:30,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:30,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:30,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:30,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:30,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:30,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:30,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:30,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:30" (1/1) ... [2024-11-13 20:17:30,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:30,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:30,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:17:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-13 20:17:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-13 20:17:30,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 20:17:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:17:30,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:17:30,663 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:30,665 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:30,925 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:30,925 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:31,042 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:31,042 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 20:17:31,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:31 BoogieIcfgContainer [2024-11-13 20:17:31,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:31,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:31,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:31,054 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:31,054 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:31" (1/1) ... [2024-11-13 20:17:31,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 20:17:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 20:17:31,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:17:31,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:31,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:31,274 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 20:17:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-13 20:17:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 20:17:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:17:31,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:31,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:31,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:31,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:31,587 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:31,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:31 ImpRootNode [2024-11-13 20:17:31,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:31,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:31,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:31,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:31,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:31" (3/4) ... [2024-11-13 20:17:31,635 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:31,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:31,637 INFO L158 Benchmark]: Toolchain (without parser) took 1587.50ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 39.7MB in the end (delta: 53.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:17:31,640 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:31,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.72ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:31,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.04ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:31,641 INFO L158 Benchmark]: Boogie Preprocessor took 40.46ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:31,641 INFO L158 Benchmark]: RCFGBuilder took 570.69ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 60.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:31,641 INFO L158 Benchmark]: CodeCheck took 586.49ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 39.9MB in the end (delta: 20.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:31,642 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 117.4MB. Free memory was 39.9MB in the beginning and 39.7MB in the end (delta: 202.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:31,645 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, 0.0s 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: 72]: 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 71, overapproximation of someUnaryFLOAToperation at line 67. Possible FailurePath: [L66] float x = 0.0f; [L67] float y = -0.0f; [L68] CALL, EXPR fmin_float(x, y) [L38] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L15] __uint32_t w; VAL [\old(x)=0, x=0] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L25-L26] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L28-L29] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L31] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L34] return 0; [L38] RET, EXPR __fpclassify_float(x) VAL [x=0] [L38] COND TRUE __fpclassify_float(x) == 0 [L39] return y; VAL [\result=4, x=0] [L68] RET, EXPR fmin_float(x, y) [L68] float res = fmin_float(x, y); [L71] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=4] [L71] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L72] reach_error() VAL [res=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.72ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.04ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.46ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 570.69ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 60.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 586.49ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 39.9MB in the end (delta: 20.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 117.4MB. Free memory was 39.9MB in the beginning and 39.7MB in the end (delta: 202.1kB). 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 20:17:31,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:34,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:34,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:17:34,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:34,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:34,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:34,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:34,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:34,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:34,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:34,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:34,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:34,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:34,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:34,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:34,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:34,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:34,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:34,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:34,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:34,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:34,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:34,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:34,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:34,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:34,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:34,664 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:34,664 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:34,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:34,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:34,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:34,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:34,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:34,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:34,665 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:34,665 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:34,665 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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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 -> 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 [2024-11-13 20:17:35,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:35,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:35,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:35,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:35,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:35,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c Unable to find full path for "g++" [2024-11-13 20:17:37,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:37,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:37,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c [2024-11-13 20:17:37,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data/f98906df5/3130ff20db774baeae11955c351b4df0/FLAGe12480f36 [2024-11-13 20:17:37,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/data/f98906df5/3130ff20db774baeae11955c351b4df0 [2024-11-13 20:17:37,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:37,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:37,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:37,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:37,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:37,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3b70cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37, skipping insertion in model container [2024-11-13 20:17:37,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:38,159 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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-13 20:17:38,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:38,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:38,223 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_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-13 20:17:38,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:38,253 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:38,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38 WrapperNode [2024-11-13 20:17:38,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:38,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:38,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:38,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:38,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,309 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-13 20:17:38,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:38,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:38,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:38,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:38,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:38,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:38,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:38,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:38,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:38,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:38,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:38,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:17:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:17:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-13 20:17:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-13 20:17:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:17:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:38,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 20:17:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:17:38,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:38,577 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:38,836 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:38,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:38,953 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:38,953 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 20:17:38,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:38 BoogieIcfgContainer [2024-11-13 20:17:38,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:38,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:38,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:38,973 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:38,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-13 20:17:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-13 20:17:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:17:39,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:39,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:39,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:39,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:39,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:39,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:39,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:17:39,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:39,341 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 20:17:39,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:17:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 20:17:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 20:17:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:17:39,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:39,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:39,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:39,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:39,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:17:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:39,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:39,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:17:39,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:39,741 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 20:17:39,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:17:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2024-11-13 20:17:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 20:17:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:17:39,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:39,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:39,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:39,868 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:39,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:17:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:40,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:40,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:17:40,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:40,079 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 20:17:40,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2024-11-13 20:17:40,089 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 20:17:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:17:40,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:40,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:40,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:40,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:40,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:17:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:40,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:40,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:17:40,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:40,482 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 20:17:40,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-13 20:17:40,628 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 20:17:40,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:17:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2024-11-13 20:17:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-13 20:17:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:17:40,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:40,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:40,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:40,943 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:40,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:17:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:41,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:41,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:17:41,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:41,399 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 20:17:41,402 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 20:17:43,337 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 20:17:43,339 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 20:17:44,452 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 20:17:44,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 18 transitions. [2024-11-13 20:17:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-13 20:17:45,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:17:45,643 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 20:17:45,653 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:17:45,835 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:17:45,835 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:17:45,835 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 58 77) the Hoare annotation is: true [2024-11-13 20:17:45,835 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-11-13 20:17:45,835 INFO L77 FloydHoareUtils]: At program point L40-1(lines 40 41) the Hoare annotation is: true [2024-11-13 20:17:45,835 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: (and (= |ULTIMATE.start_fmin_float_~x#1| (_ +zero 8 24)) (= (fp.neg (_ +zero 8 24)) |ULTIMATE.start_fmin_float_~y#1|)) [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point L38-1(lines 38 39) the Hoare annotation is: true [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point L71-2(lines 71 74) the Hoare annotation is: true [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 72) the Hoare annotation is: true [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point L49-1(lines 49 53) the Hoare annotation is: true [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point L49-3(lines 49 53) the Hoare annotation is: true [2024-11-13 20:17:45,836 INFO L77 FloydHoareUtils]: At program point fmin_float_returnLabel#1(lines 37 44) the Hoare annotation is: true [2024-11-13 20:17:45,837 INFO L77 FloydHoareUtils]: At program point L72(line 72) the Hoare annotation is: true [2024-11-13 20:17:45,837 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 21) 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 20:17:45,837 INFO L77 FloydHoareUtils]: At program point L17-2(lines 17 21) the Hoare annotation is: (= |__fpclassify_float_#in~x| __fpclassify_float_~x) [2024-11-13 20:17:45,837 INFO L77 FloydHoareUtils]: At program point L17-3(lines 14 35) 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 20:17:45,837 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 35) the Hoare annotation is: true [2024-11-13 20:17:45,838 INFO L77 FloydHoareUtils]: At program point __fpclassify_floatEXIT(lines 14 35) 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 20:17:45,868 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unable to backtranslate infinite floats [2024-11-13 20:17:45,869 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unable to backtranslate infinite floats [2024-11-13 20:17:45,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 20:17:45,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 20:17:45,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 20:17:45,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 20:17:45,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 20:17:45,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:45 ImpRootNode [2024-11-13 20:17:45,873 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:45,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:45,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:45,875 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:45,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:38" (3/4) ... [2024-11-13 20:17:45,878 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:17:45,881 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2024-11-13 20:17:45,885 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-13 20:17:45,885 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 20:17:45,885 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:17:45,886 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:17:45,911 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2024-11-13 20:17:45,923 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2024-11-13 20:17:45,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:17:45,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:17:45,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:45,965 INFO L158 Benchmark]: Toolchain (without parser) took 8117.34ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 91.8MB in the beginning and 154.1MB in the end (delta: -62.3MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:45,965 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:45,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.46ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:45,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.52ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:45,966 INFO L158 Benchmark]: Boogie Preprocessor took 46.43ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:45,966 INFO L158 Benchmark]: RCFGBuilder took 597.17ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 58.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:45,967 INFO L158 Benchmark]: CodeCheck took 6918.69ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 58.0MB in the beginning and 157.4MB in the end (delta: -99.4MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:45,967 INFO L158 Benchmark]: Witness Printer took 89.51ms. Allocated memory is still 260.0MB. Free memory was 157.4MB in the beginning and 154.1MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:45,969 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: 6.6s, 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, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.6s 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 471 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: 72]: 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: 17]: Loop Invariant Derived loop invariant: (\old(x) == x) - ProcedureContractResult [Line: 14]: 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 0.46ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.46ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.52ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.43ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 597.17ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 58.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6918.69ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 58.0MB in the beginning and 157.4MB in the end (delta: -99.4MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Witness Printer took 89.51ms. Allocated memory is still 260.0MB. Free memory was 157.4MB in the beginning and 154.1MB in the end (delta: 3.3MB). 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 20:17:46,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e5f4789-c1fa-486c-93d1-a903e5ab1c43/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