./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_alt.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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_alt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:22:44,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:22:44,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:22:44,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:22:44,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:22:44,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:22:44,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:22:44,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:22:44,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:22:44,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:22:44,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:22:44,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:22:44,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:22:44,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:22:44,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:22:44,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:22:44,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:22:44,425 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:22:44,425 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:22:44,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:22:44,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:44,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:22:44,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:22:44,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:22:44,426 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:22:44,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:22:44,426 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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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 -> 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 [2024-11-13 22:22:44,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:22:44,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:22:44,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:22:44,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:22:44,741 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:22:44,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/filter2_alt.c Unable to find full path for "g++" [2024-11-13 22:22:46,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:22:46,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:22:46,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/sv-benchmarks/c/float-benchs/filter2_alt.c [2024-11-13 22:22:46,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data/d84e8c79f/3d63625689804278865d1a23ae302792/FLAGf01d2bf76 [2024-11-13 22:22:47,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data/d84e8c79f/3d63625689804278865d1a23ae302792 [2024-11-13 22:22:47,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:22:47,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:22:47,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:47,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:22:47,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:22:47,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a00f252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47, skipping insertion in model container [2024-11-13 22:22:47,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:22:47,213 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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-13 22:22:47,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:47,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:22:47,280 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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-13 22:22:47,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:47,329 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:22:47,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47 WrapperNode [2024-11-13 22:22:47,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:47,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:47,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:22:47,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:22:47,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,375 INFO L138 Inliner]: procedures = 19, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 22:22:47,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:47,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:22:47,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:22:47,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:22:47,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:22:47,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:22:47,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:22:47,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:22:47,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:22:47,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:22:47,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:22:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:22:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-11-13 22:22:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-11-13 22:22:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:22:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:22:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:22:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:22:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:22:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 22:22:47,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:22:47,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:22:47,737 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:22:47,737 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:22:47,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:22:47,803 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:22:47,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:47 BoogieIcfgContainer [2024-11-13 22:22:47,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:22:47,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:22:47,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:22:47,817 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:22:47,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:47" (1/1) ... [2024-11-13 22:22:47,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:22:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:22:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:22:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:22:47,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:47,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:22:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 22:22:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 22:22:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:22:48,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:48,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:48,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:22:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:48,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:22:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:22:48,685 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:22:48,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:22:48 ImpRootNode [2024-11-13 22:22:48,729 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:22:48,729 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:22:48,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:22:48,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:22:48,730 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:47" (3/4) ... [2024-11-13 22:22:48,733 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:22:48,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:22:48,735 INFO L158 Benchmark]: Toolchain (without parser) took 1721.35ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 62.7MB in the end (delta: 55.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:22:48,735 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:48,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.68ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:22:48,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.27ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:48,740 INFO L158 Benchmark]: Boogie Preprocessor took 46.22ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.4MB in the end (delta: 994.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:48,740 INFO L158 Benchmark]: RCFGBuilder took 377.53ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:22:48,741 INFO L158 Benchmark]: CodeCheck took 924.68ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 62.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:22:48,741 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 62.7MB in the end (delta: 230.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:22:48,743 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: 14]: 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 43, overapproximation of someBinaryFLOATComparisonOperation at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L19] BOOLEAN INIT; [L20] float P, X; [L32] static float E[2], S[2]; [L52] CALL, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=0, S={5:0}, X=0] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -10.f && x <= 10.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -10.f && x <= 10.f) [L27] return x; [L52] RET, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=0, S={5:0}, X=0] [L52] X = RANDOM_INPUT() [L53] INIT = TRUE VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L54] COND TRUE \read(TRUE) VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L55] CALL, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -10.f && x <= 10.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -10.f && x <= 10.f) [L27] return x; [L55] RET, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=1, P=0, S={5:0}, X=8] [L55] X = RANDOM_INPUT() [L56] CALL filter2 () [L33] COND TRUE \read(INIT) [L34] S[0] = X [L35] P = X [L36] E[0] = X VAL [E={4:0}, INIT=1, P=3, S={5:0}, X=3] [L46] EXPR E[0] [L46] E[1] = E[0] [L46] E[0] = X [L47] EXPR S[0] [L47] S[1] = S[0] [L47] S[0] = P [L56] RET filter2 () [L57] INIT = FALSE VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L54] COND TRUE \read(TRUE) VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L55] CALL, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -10.f && x <= 10.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -10.f && x <= 10.f) [L27] return x; [L55] RET, EXPR RANDOM_INPUT() VAL [E={4:0}, INIT=0, P=3, S={5:0}, X=3] [L55] X = RANDOM_INPUT() [L56] CALL filter2 () [L33] COND FALSE !(\read(INIT)) [L39] EXPR E[0] [L40] EXPR E[1] [L41] EXPR S[0] [L42] EXPR S[1] [L38-L42] P = (((((0.4677826f * X) - (E[0] * 0.7700725f)) + (E[1] * 0.4344376f)) + (S[0] * 1.5419f)) - (S[1] * 0.6740477f)) [L43] CALL __VERIFIER_assert(P >= -15.f && P <= 15.f) [L14] COND TRUE !(cond) VAL [E={4:0}, INIT=0, S={5:0}, X=9] [L14] reach_error() VAL [E={4:0}, INIT=0, S={5:0}, X=9] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.68ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.27ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.22ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.4MB in the end (delta: 994.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.53ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 924.68ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 62.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 62.7MB in the end (delta: 230.4kB). 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 22:22:48,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_alt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:22:51,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:22:51,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:22:51,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:22:51,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:22:51,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:22:51,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:22:51,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:22:51,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:22:51,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:22:51,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:22:51,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:22:51,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:22:51,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:22:51,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:22:51,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:22:51,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:22:51,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:22:51,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:22:51,678 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:51,678 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:22:51,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:22:51,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:51,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:22:51,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:22:51,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:22:51,679 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:22:51,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:22:51,680 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:22:51,680 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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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 -> 5bc48f0b37b49094aa2ed7125525fbb7b9a95c5af6fff8426a24c4fcf99bb295 [2024-11-13 22:22:52,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:22:52,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:22:52,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:22:52,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:22:52,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:22:52,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/filter2_alt.c Unable to find full path for "g++" [2024-11-13 22:22:53,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:22:54,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:22:54,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/sv-benchmarks/c/float-benchs/filter2_alt.c [2024-11-13 22:22:54,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data/86b5bcbf4/1e8948bb1f34417686f6d1e7eddeb261/FLAGd399e254e [2024-11-13 22:22:54,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/data/86b5bcbf4/1e8948bb1f34417686f6d1e7eddeb261 [2024-11-13 22:22:54,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:22:54,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:22:54,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:54,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:22:54,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:22:54,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7222f15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54, skipping insertion in model container [2024-11-13 22:22:54,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:22:54,420 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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-13 22:22:54,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:54,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:22:54,488 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_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/sv-benchmarks/c/float-benchs/filter2_alt.c[631,644] [2024-11-13 22:22:54,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:54,531 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:22:54,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54 WrapperNode [2024-11-13 22:22:54,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:54,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:54,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:22:54,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:22:54,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,578 INFO L138 Inliner]: procedures = 20, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-13 22:22:54,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:54,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:22:54,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:22:54,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:22:54,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:22:54,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:22:54,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:22:54,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:22:54,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:54" (1/1) ... [2024-11-13 22:22:54,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:54,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:22:54,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:22:54,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:22:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:22:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-11-13 22:22:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-11-13 22:22:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 22:22:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:22:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 22:22:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:22:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:22:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 22:22:54,800 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:22:54,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:23:05,111 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:23:05,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:23:05,164 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:23:05,164 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:23:05,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:05 BoogieIcfgContainer [2024-11-13 22:23:05,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:23:05,166 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:23:05,166 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:23:05,177 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:23:05,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:05" (1/1) ... [2024-11-13 22:23:05,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:23:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:05,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:23:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:23:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:23:05,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:05,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:05,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:23:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:05,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:05,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:23:05,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:05,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:23:15,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:23:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 22:23:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 22:23:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:23:16,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:16,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:16,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:16,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:23:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:35,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:23:45,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:23:45,466 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:23:45,470 INFO L158 Benchmark]: Toolchain (without parser) took 51258.26ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 45.0MB in the end (delta: 16.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-13 22:23:45,471 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:45,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.56ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 49.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:23:45,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.75ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:45,472 INFO L158 Benchmark]: Boogie Preprocessor took 45.91ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:23:45,473 INFO L158 Benchmark]: RCFGBuilder took 10539.71ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 30.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:23:45,473 INFO L158 Benchmark]: CodeCheck took 40303.73ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 45.0MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:45,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.56ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 49.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.75ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.91ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 10539.71ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 30.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 40303.73ms. Allocated memory is still 83.9MB. Free memory was 30.0MB in the beginning and 45.0MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:23:45,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2a02a9-328c-40f9-8f8f-05e07682a5a7/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown