./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk --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 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:39:31,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:39:31,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:39:31,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:39:31,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:39:31,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:39:31,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:39:31,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:39:31,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:39:31,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:39:31,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:39:31,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:39:31,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:39:31,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:39:31,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:39:31,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:39:31,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:39:31,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:39:31,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:39:31,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:39:31,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:39:31,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:39:31,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:39:31,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:39:31,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:39:31,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:39:31,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:39:31,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:39:31,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:39:31,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:39:31,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:39:31,303 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:39:31,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:39:31,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e [2024-11-08 23:39:31,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:39:31,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:39:31,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:39:31,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:39:31,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:39:31,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c Unable to find full path for "g++" [2024-11-08 23:39:34,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:39:34,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:39:34,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2024-11-08 23:39:34,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data/5dd45fb14/dc32fe29a1a646c08eede831287cf430/FLAG59cf61117 [2024-11-08 23:39:34,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data/5dd45fb14/dc32fe29a1a646c08eede831287cf430 [2024-11-08 23:39:34,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:39:34,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:39:34,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:34,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:39:34,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:39:34,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:34" (1/1) ... [2024-11-08 23:39:34,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430150ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:34, skipping insertion in model container [2024-11-08 23:39:34,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:34" (1/1) ... [2024-11-08 23:39:35,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:39:35,277 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_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-08 23:39:35,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:35,325 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:39:35,343 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_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-08 23:39:35,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:35,385 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:39:35,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35 WrapperNode [2024-11-08 23:39:35,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:35,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:35,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:39:35,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:39:35,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,450 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2024-11-08 23:39:35,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:35,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:39:35,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:39:35,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:39:35,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:39:35,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:39:35,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:39:35,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:39:35,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:35" (1/1) ... [2024-11-08 23:39:35,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:39:35,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:39:35,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:39:35,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:39:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:39:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:39:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:39:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 23:39:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:39:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:39:35,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:39:35,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:39:35,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:39:35,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:39:35,725 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:39:35,729 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:39:36,069 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:39:36,069 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:39:36,394 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:39:36,394 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:39:36,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:36 BoogieIcfgContainer [2024-11-08 23:39:36,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:39:36,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:39:36,400 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:39:36,417 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:39:36,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:36" (1/1) ... [2024-11-08 23:39:36,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:39:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:39:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:39:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:39:36,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:36,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:36,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:39:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:36,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:39:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:39:37,009 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:39:37,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:39:37 ImpRootNode [2024-11-08 23:39:37,053 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:39:37,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:39:37,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:39:37,058 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:39:37,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:36" (3/4) ... [2024-11-08 23:39:37,063 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:39:37,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:39:37,065 INFO L158 Benchmark]: Toolchain (without parser) took 2091.84ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 97.7MB in the beginning and 130.1MB in the end (delta: -32.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:37,066 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 113.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:37,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.63ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 84.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:39:37,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.69ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:37,068 INFO L158 Benchmark]: Boogie Preprocessor took 41.55ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:37,069 INFO L158 Benchmark]: RCFGBuilder took 903.06ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 80.6MB in the beginning and 151.1MB in the end (delta: -70.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-08 23:39:37,070 INFO L158 Benchmark]: CodeCheck took 653.77ms. Allocated memory is still 186.6MB. Free memory was 151.1MB in the beginning and 130.4MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:39:37,070 INFO L158 Benchmark]: Witness Printer took 9.54ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 130.1MB in the end (delta: 316.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:37,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 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 bitwiseOr at line 38, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L17] double C0 = 1.414213538; [L18] double C1 = 0.229761391; [L19] double C2 = 1.296735525; [L20] double C3 = -0.901098370; [L21] double C4 = 0.493553400; [L22] double C5 = -0.118958666; [L58] double x,y; [L60] x = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not(x >= 1. && x <= 1e10) [L12] COND FALSE !(!cond) [L61] RET assume_abort_if_not(x >= 1. && x <= 1e10) [L63] CALL, EXPR sqrt_custom(x) [L31] union u x; [L32] double r; [L33] int exp; [L35] x.d = a [L37] EXPR x.i[0] [L37] EXPR x.i[0] & 0x7FF00000 [L37] exp = (x.i[0] & 0x7FF00000) >> 20 [L38] EXPR x.i[0] [L38] EXPR x.i[0] & 0x800FFFFF [L38] EXPR (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L38] x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L39] EXPR x.d [L39] r = x.d * 0.5 [L41] r = C1+C2+(C3+(C4+C5*r)*r)*r [L43] COND TRUE exp % 2 == 0 [L44] exp++ [L50] x.i[0] = (exp/2 + 511) << 20 [L51] EXPR x.d [L51] r = r * x.d [L53] return r; [L53] return r; [L63] RET, EXPR sqrt_custom(x) [L63] y = sqrt_custom(x) [L65] CALL __VERIFIER_assert(y >= 0. && y <= 1e6) [L14] COND TRUE !(cond) VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L14] reach_error() VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 113.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.63ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 84.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.69ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.55ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 903.06ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 80.6MB in the beginning and 151.1MB in the end (delta: -70.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * CodeCheck took 653.77ms. Allocated memory is still 186.6MB. Free memory was 151.1MB in the beginning and 130.4MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 9.54ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 130.1MB in the end (delta: 316.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:39:37,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk --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 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:39:40,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:39:40,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:39:40,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:39:40,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:39:40,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:39:40,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:39:40,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:39:40,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:39:40,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:39:40,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:39:40,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:39:40,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:39:40,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:39:40,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:39:40,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:39:40,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:39:40,323 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:39:40,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:39:40,324 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:39:40,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:39:40,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:39:40,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:39:40,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:39:40,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:39:40,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:39:40,331 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:40,331 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:39:40,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:39:40,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:39:40,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:39:40,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:39:40,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:39:40,334 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:39:40,334 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:40,335 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:39:40,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e [2024-11-08 23:39:40,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:39:40,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:39:40,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:39:40,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:39:40,774 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:39:40,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c Unable to find full path for "g++" [2024-11-08 23:39:43,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:39:43,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:39:43,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2024-11-08 23:39:43,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data/d5ad6d129/fc023ff6dc3e4464a44bd376fd8e7403/FLAGecbd3f1ab [2024-11-08 23:39:43,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/data/d5ad6d129/fc023ff6dc3e4464a44bd376fd8e7403 [2024-11-08 23:39:43,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:39:43,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:39:43,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:43,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:39:43,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:39:43,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:43" (1/1) ... [2024-11-08 23:39:43,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7384cdcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:43, skipping insertion in model container [2024-11-08 23:39:43,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:43" (1/1) ... [2024-11-08 23:39:43,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:39:44,026 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_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-08 23:39:44,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:44,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:39:44,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-08 23:39:44,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:44,215 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:39:44,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44 WrapperNode [2024-11-08 23:39:44,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:44,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:44,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:39:44,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:39:44,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,269 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-08 23:39:44,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:44,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:39:44,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:39:44,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:39:44,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:39:44,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:39:44,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:39:44,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:39:44,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:44" (1/1) ... [2024-11-08 23:39:44,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:39:44,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:39:44,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:39:44,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:39:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:39:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-08 23:39:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-08 23:39:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:39:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:39:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:39:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:39:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:39:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:39:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:39:44,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:39:44,533 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:39:56,717 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 23:39:56,717 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:39:56,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:39:56,835 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:39:56,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:56 BoogieIcfgContainer [2024-11-08 23:39:56,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:39:56,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:39:56,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:39:56,850 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:39:56,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:56" (1/1) ... [2024-11-08 23:39:56,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:39:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:39:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:39:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:39:56,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:56,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:56,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:56,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:56,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae44eb9f-7ab9-455d-a7d1-cb4d908f1d32/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:40:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:03,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat