./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/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_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/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_411851e6-657d-4d92-b0a1-9dda00038369/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 ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:35:33,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:35:33,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:35:33,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:35:33,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:35:33,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:35:33,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:35:33,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:35:33,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:35:33,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:35:33,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:35:33,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:35:33,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:35:33,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:35:33,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:35:33,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:35:33,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:35:33,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:35:33,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:35:33,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:35:33,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:35:33,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:35:33,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:35:33,455 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:35:33,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:35:33,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:35:33,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:35:33,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:33,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:35:33,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:35:33,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:35:33,458 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:35:33,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:35:33,459 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_411851e6-657d-4d92-b0a1-9dda00038369/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 [2024-11-08 23:35:33,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:35:33,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:35:33,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:35:33,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:35:33,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:35:33,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i Unable to find full path for "g++" [2024-11-08 23:35:35,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:35:36,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:35:36,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2024-11-08 23:35:36,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data/9c16ab23d/7926e0bd65554b1cbf18cc4e771f09d7/FLAG3767ebb13 [2024-11-08 23:35:36,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data/9c16ab23d/7926e0bd65554b1cbf18cc4e771f09d7 [2024-11-08 23:35:36,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:35:36,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:35:36,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:36,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:35:36,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:35:36,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af6b3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36, skipping insertion in model container [2024-11-08 23:35:36,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:35:36,342 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_411851e6-657d-4d92-b0a1-9dda00038369/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2024-11-08 23:35:36,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:36,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:35:36,384 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_411851e6-657d-4d92-b0a1-9dda00038369/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2024-11-08 23:35:36,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:36,400 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:35:36,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36 WrapperNode [2024-11-08 23:35:36,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:36,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:36,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:35:36,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:35:36,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,437 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-08 23:35:36,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:36,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:35:36,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:35:36,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:35:36,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:35:36,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:35:36,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:35:36,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:35:36,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:36,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:35:36,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:35:36,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:35:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:35:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:35:36,539 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:35:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:35:36,540 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:35:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:35:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:35:36,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:35:36,593 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:35:36,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:35:36,746 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:35:36,747 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:35:36,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:35:36,790 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:35:36,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:36 BoogieIcfgContainer [2024-11-08 23:35:36,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:35:36,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:35:36,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:35:36,806 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:35:36,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:36" (1/1) ... [2024-11-08 23:35:36,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:35:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:35:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:35:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:35:36,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:36,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:37,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:37,090 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:35:37,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:35:37 ImpRootNode [2024-11-08 23:35:37,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:35:37,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:35:37,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:35:37,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:35:37,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:36" (3/4) ... [2024-11-08 23:35:37,120 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:35:37,121 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:35:37,122 INFO L158 Benchmark]: Toolchain (without parser) took 1008.56ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 55.5MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 23:35:37,122 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:37,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.19ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:35:37,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.16ms. Allocated memory is still 134.2MB. Free memory was 83.6MB in the beginning and 82.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:37,124 INFO L158 Benchmark]: Boogie Preprocessor took 19.98ms. Allocated memory is still 134.2MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:37,125 INFO L158 Benchmark]: RCFGBuilder took 334.52ms. Allocated memory is still 134.2MB. Free memory was 81.1MB in the beginning and 69.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:35:37,125 INFO L158 Benchmark]: CodeCheck took 320.53ms. Allocated memory is still 134.2MB. Free memory was 68.5MB in the beginning and 55.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:35:37,126 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 134.2MB. Free memory was 55.9MB in the beginning and 55.5MB in the end (delta: 453.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:37,129 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 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 17 NumberOfCodeBlocks, 17 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=3] [L44] CALL, EXPR fp(x) VAL [\old(x)=3] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=3] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.19ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.16ms. Allocated memory is still 134.2MB. Free memory was 83.6MB in the beginning and 82.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.98ms. Allocated memory is still 134.2MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.52ms. Allocated memory is still 134.2MB. Free memory was 81.1MB in the beginning and 69.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 320.53ms. Allocated memory is still 134.2MB. Free memory was 68.5MB in the beginning and 55.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 134.2MB. Free memory was 55.9MB in the beginning and 55.5MB in the end (delta: 453.5kB). 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 23:35:37,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/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_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/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_411851e6-657d-4d92-b0a1-9dda00038369/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 ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:35:39,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:35:39,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:35:39,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:35:39,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:35:39,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:35:39,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:35:39,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:35:39,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:35:39,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:35:39,773 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:35:39,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:35:39,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:35:39,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:35:39,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:35:39,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:35:39,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:35:39,779 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:35:39,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:35:39,782 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:35:39,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:35:39,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:35:39,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:35:39,784 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:35:39,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:35:39,785 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:35:39,785 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:39,786 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:35:39,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:35:39,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:39,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:35:39,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:35:39,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:35:39,789 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:35:39,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:39,789 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:35:39,790 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_411851e6-657d-4d92-b0a1-9dda00038369/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 [2024-11-08 23:35:40,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:35:40,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:35:40,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:35:40,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:35:40,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:35:40,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i Unable to find full path for "g++" [2024-11-08 23:35:42,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:35:42,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:35:42,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2024-11-08 23:35:42,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data/a25c121d4/eac9d0b8d25c489093446531df41b387/FLAG9e083410c [2024-11-08 23:35:42,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/data/a25c121d4/eac9d0b8d25c489093446531df41b387 [2024-11-08 23:35:42,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:35:42,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:35:42,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:42,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:35:42,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:35:42,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:42,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2aeadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42, skipping insertion in model container [2024-11-08 23:35:42,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:42,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:35:42,870 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_411851e6-657d-4d92-b0a1-9dda00038369/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2024-11-08 23:35:42,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:42,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:35:42,922 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_411851e6-657d-4d92-b0a1-9dda00038369/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2024-11-08 23:35:42,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:42,950 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:35:42,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42 WrapperNode [2024-11-08 23:35:42,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:42,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:42,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:35:42,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:35:42,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:42,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,001 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-08 23:35:43,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:43,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:35:43,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:35:43,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:35:43,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:35:43,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:35:43,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:35:43,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:35:43,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:42" (1/1) ... [2024-11-08 23:35:43,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:35:43,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:35:43,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:35:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:35:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:35:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:35:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:35:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:35:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:35:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:35:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:35:43,225 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:35:43,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:36:06,178 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 23:36:06,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:36:06,263 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:36:06,263 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:36:06,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:06 BoogieIcfgContainer [2024-11-08 23:36:06,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:36:06,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:36:06,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:36:06,280 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:36:06,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:06" (1/1) ... [2024-11-08 23:36:06,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:36:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:36:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:36:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:36:06,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:06,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:36:06,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:36:06,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:36:06,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411851e6-657d-4d92-b0a1-9dda00038369/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process