./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i --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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:55,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:55,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:21:55,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:21:55,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:21:55,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:55,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:55,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:55,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:55,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:55,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:55,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:55,992 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:21:55,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:21:55,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:21:55,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:55,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:55,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:55,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:55,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:55,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:21:55,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:55,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:55,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:55,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:55,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:55,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:55,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:55,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:56,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:56,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:56,011 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:21:56,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:21:56,012 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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d [2024-11-08 22:21:56,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:56,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:56,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:56,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:56,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:56,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i Unable to find full path for "g++" [2024-11-08 22:21:58,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:58,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:58,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2024-11-08 22:21:58,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data/72a08548f/46491d71865141e8b0dfde4ae6ff8f70/FLAG8280eb692 [2024-11-08 22:21:58,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data/72a08548f/46491d71865141e8b0dfde4ae6ff8f70 [2024-11-08 22:21:58,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:58,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:58,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:58,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:58,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:58,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:58" (1/1) ... [2024-11-08 22:21:58,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494c3378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:58, skipping insertion in model container [2024-11-08 22:21:58,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:58" (1/1) ... [2024-11-08 22:21:58,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:21:59,183 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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2024-11-08 22:21:59,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:59,202 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:21:59,234 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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2024-11-08 22:21:59,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:59,257 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:21:59,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59 WrapperNode [2024-11-08 22:21:59,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:59,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:59,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:21:59,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:21:59,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,296 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-11-08 22:21:59,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:59,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:21:59,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:21:59,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:21:59,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:21:59,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:21:59,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:21:59,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:21:59,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:59,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:21:59,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:21:59,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:21:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:21:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:21:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:21:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:21:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:21:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:21:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:21:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:21:59,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:21:59,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:59,725 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:59,725 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:59,782 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:59,782 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:21:59,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:59 BoogieIcfgContainer [2024-11-08 22:21:59,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:59,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:59,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:59,796 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:59,796 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:59" (1/1) ... [2024-11-08 22:21:59,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 22:21:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 22:21:59,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:21:59,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:59,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:59,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:21:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:00,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:00,167 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:22:00,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:22:00 ImpRootNode [2024-11-08 22:22:00,203 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:22:00,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:22:00,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:22:00,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:22:00,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:59" (3/4) ... [2024-11-08 22:22:00,210 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:22:00,213 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:22:00,214 INFO L158 Benchmark]: Toolchain (without parser) took 1293.78ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 94.2MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:00,214 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 93.0MB in the beginning and 92.9MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:00,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.38ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 71.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:22:00,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.76ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 69.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:00,218 INFO L158 Benchmark]: Boogie Preprocessor took 25.78ms. Allocated memory is still 123.7MB. Free memory was 69.4MB in the beginning and 68.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:00,219 INFO L158 Benchmark]: RCFGBuilder took 459.68ms. Allocated memory is still 123.7MB. Free memory was 68.1MB in the beginning and 55.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:22:00,219 INFO L158 Benchmark]: CodeCheck took 418.86ms. Allocated memory is still 123.7MB. Free memory was 55.6MB in the beginning and 94.6MB in the end (delta: -39.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:00,220 INFO L158 Benchmark]: Witness Printer took 9.61ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 94.2MB in the end (delta: 352.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:00,227 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 24 NumberOfCodeBlocks, 24 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 46. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [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) [L46] CALL, EXPR f(x) VAL [\old(x)=4] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L46] RET, EXPR f(x) VAL [IN=2, x=4] [L46] CALL, EXPR fp(x) VAL [\old(x)=4] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L46] RET, EXPR fp(x) VAL [IN=2, x=4] [L46] 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 0.36ms. Allocated memory is still 123.7MB. Free memory was 93.0MB in the beginning and 92.9MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.38ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 71.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.76ms. Allocated memory is still 123.7MB. Free memory was 71.1MB in the beginning and 69.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.78ms. Allocated memory is still 123.7MB. Free memory was 69.4MB in the beginning and 68.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.68ms. Allocated memory is still 123.7MB. Free memory was 68.1MB in the beginning and 55.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 418.86ms. Allocated memory is still 123.7MB. Free memory was 55.6MB in the beginning and 94.6MB in the end (delta: -39.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 9.61ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 94.2MB in the end (delta: 352.0kB). 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 22:22:00,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:02,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:03,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:22:03,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:03,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:03,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:03,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:03,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:03,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:03,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:03,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:22:03,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:22:03,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:03,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:03,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:03,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:03,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:22:03,139 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:22:03,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:03,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:22:03,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:22:03,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:03,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:03,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:03,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:03,144 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:03,145 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:03,145 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:22:03,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:03,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:03,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:03,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:03,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:03,148 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:22:03,148 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:03,149 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:22:03,149 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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d [2024-11-08 22:22:03,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:03,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:03,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:03,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:03,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:03,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i Unable to find full path for "g++" [2024-11-08 22:22:05,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:05,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:05,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2024-11-08 22:22:05,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data/2d9eaaad4/a930321f2fb5491a89e3351c3752d7c4/FLAGc16e693b4 [2024-11-08 22:22:05,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/data/2d9eaaad4/a930321f2fb5491a89e3351c3752d7c4 [2024-11-08 22:22:05,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:05,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:05,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:05,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:05,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:05,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:05" (1/1) ... [2024-11-08 22:22:05,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe6e2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:05, skipping insertion in model container [2024-11-08 22:22:05,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:05" (1/1) ... [2024-11-08 22:22:05,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:06,214 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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2024-11-08 22:22:06,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:06,243 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:06,272 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_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2024-11-08 22:22:06,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:06,300 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:06,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06 WrapperNode [2024-11-08 22:22:06,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:06,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:06,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:06,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:06,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,347 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-08 22:22:06,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:06,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:06,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:06,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:06,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:06,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:06,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:06,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:06,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:06" (1/1) ... [2024-11-08 22:22:06,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:06,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:06,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:22:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:22:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:22:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:22:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:22:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:06,636 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:06,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:32,936 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:32,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:33,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:33,010 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:22:33,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:33 BoogieIcfgContainer [2024-11-08 22:22:33,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:33,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:33,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:33,023 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:33,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:33" (1/1) ... [2024-11-08 22:22:33,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 22:22:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 22:22:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:22:33,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:33,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:33,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e903e8bf-51e0-4f93-99cd-cccbdaf5ac3e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process