./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL --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 0c5600740103c77f2bf443c7f5a57c196b00730939a706a857dd583d49faca41 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:37,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:37,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:55:37,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:37,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:37,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:37,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:37,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:37,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:37,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:37,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:37,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:37,451 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:37,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:37,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:37,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:37,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:37,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:37,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:37,456 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:37,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:37,458 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:37,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:37,459 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:37,459 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:37,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:37,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:37,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:37,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:37,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:37,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:37,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:37,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:37,465 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_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c5600740103c77f2bf443c7f5a57c196b00730939a706a857dd583d49faca41 [2023-11-19 02:55:37,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:37,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:37,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:37,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:37,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:37,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_3_4.i [2023-11-19 02:55:41,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:41,493 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:41,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/sv-benchmarks/c/floats-cdfpl/newton_3_4.i [2023-11-19 02:55:41,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data/09f82a620/4ee37940498140e0a7179292eea13195/FLAG3ec9ab87f [2023-11-19 02:55:41,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data/09f82a620/4ee37940498140e0a7179292eea13195 [2023-11-19 02:55:41,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:41,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:41,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:41,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:41,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:41,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38719e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41, skipping insertion in model container [2023-11-19 02:55:41,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:41,810 WARN L240 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_0ea6a67e-75af-4005-a0a0-49f022df7941/sv-benchmarks/c/floats-cdfpl/newton_3_4.i[1764,1777] [2023-11-19 02:55:41,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:41,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:41,873 WARN L240 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_0ea6a67e-75af-4005-a0a0-49f022df7941/sv-benchmarks/c/floats-cdfpl/newton_3_4.i[1764,1777] [2023-11-19 02:55:41,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:41,893 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:41,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41 WrapperNode [2023-11-19 02:55:41,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:41,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:41,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:41,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:41,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,943 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-19 02:55:41,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:41,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:41,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:41,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:41,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:41,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:41,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:41,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:41,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:42,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:41" (1/1) ... [2023-11-19 02:55:42,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:42,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:42,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:42,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 02:55:42,104 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 02:55:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 02:55:42,105 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 02:55:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:42,191 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:42,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:42,336 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:42,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:42,387 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:55:42,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:42 BoogieIcfgContainer [2023-11-19 02:55:42,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:42,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:42,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:42,407 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:42,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:42" (1/1) ... [2023-11-19 02:55:42,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 02:55:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 02:55:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:55:42,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:42,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:42,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:55:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:42,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:55:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:42,890 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:55:42,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 02:55:42,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-19 02:55:42,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 02:55:42,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 02:55:42,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-19 02:55:42,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 02:55:42,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 02:55:42,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 02:55:42,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated [2023-11-19 02:55:42,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:55:42 ImpRootNode [2023-11-19 02:55:42,933 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:55:42,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:55:42,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:55:42,934 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:55:42,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:42" (3/4) ... [2023-11-19 02:55:42,939 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:55:42,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:55:42,943 INFO L158 Benchmark]: Toolchain (without parser) took 1398.65ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 82.1MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 02:55:42,944 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:42,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.33ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 112.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:55:42,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.30ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 110.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:42,948 INFO L158 Benchmark]: Boogie Preprocessor took 52.54ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 109.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:42,949 INFO L158 Benchmark]: RCFGBuilder took 394.63ms. Allocated memory is still 155.2MB. Free memory was 109.6MB in the beginning and 98.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:42,951 INFO L158 Benchmark]: CodeCheck took 539.21ms. Allocated memory is still 155.2MB. Free memory was 97.6MB in the beginning and 82.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:55:42,952 INFO L158 Benchmark]: Witness Printer took 7.05ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 82.1MB in the end (delta: 305.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:42,967 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: 0.5s, 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 > -0.8f && IN < 0.8f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [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)=5] [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=5] [L44] CALL, EXPR fp(x) VAL [\old(x)=5] [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=5] [L44] x = x - f(x)/fp(x) [L46] CALL, EXPR f(x) VAL [\old(x)=8] [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=8] [L46] CALL, EXPR fp(x) VAL [\old(x)=8] [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=8] [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 0.31ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.33ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 112.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.30ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 110.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.54ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 109.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.63ms. Allocated memory is still 155.2MB. Free memory was 109.6MB in the beginning and 98.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 539.21ms. Allocated memory is still 155.2MB. Free memory was 97.6MB in the beginning and 82.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.05ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 82.1MB in the end (delta: 305.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:55:43,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL --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 0c5600740103c77f2bf443c7f5a57c196b00730939a706a857dd583d49faca41 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:46,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:46,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:55:46,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:46,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:46,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:46,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:46,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:46,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:46,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:46,334 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:46,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:46,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:46,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:46,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:46,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:46,338 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:55:46,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:55:46,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:55:46,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:46,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:46,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:46,342 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:46,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:46,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:46,344 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:46,345 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:46,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:46,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:46,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:46,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:46,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:46,349 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:55:46,349 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:46,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:46,350 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:55:46,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:46,350 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c5600740103c77f2bf443c7f5a57c196b00730939a706a857dd583d49faca41 [2023-11-19 02:55:46,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:46,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:46,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:46,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:46,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:46,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_3_4.i [2023-11-19 02:55:50,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:50,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:50,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/sv-benchmarks/c/floats-cdfpl/newton_3_4.i [2023-11-19 02:55:50,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data/dad18121c/39ca7f02b2d2442f8ea3d066be55eab8/FLAGc200d1302 [2023-11-19 02:55:50,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/data/dad18121c/39ca7f02b2d2442f8ea3d066be55eab8 [2023-11-19 02:55:50,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:50,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:50,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:50,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:50,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:50,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30de7d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50, skipping insertion in model container [2023-11-19 02:55:50,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:50,689 WARN L240 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_0ea6a67e-75af-4005-a0a0-49f022df7941/sv-benchmarks/c/floats-cdfpl/newton_3_4.i[1764,1777] [2023-11-19 02:55:50,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:50,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:50,727 WARN L240 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_0ea6a67e-75af-4005-a0a0-49f022df7941/sv-benchmarks/c/floats-cdfpl/newton_3_4.i[1764,1777] [2023-11-19 02:55:50,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:50,744 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:50,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50 WrapperNode [2023-11-19 02:55:50,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:50,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:50,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:50,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:50,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,787 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-11-19 02:55:50,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:50,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:50,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:50,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:50,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:50,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:50,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:50,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:50,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:50" (1/1) ... [2023-11-19 02:55:50,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:50,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:50,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:50,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 02:55:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 02:55:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:55:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 02:55:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 02:55:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:51,021 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:51,023 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:16,320 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:16,379 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:16,379 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:56:16,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:16 BoogieIcfgContainer [2023-11-19 02:56:16,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:16,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:16,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:16,395 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:16,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:16" (1/1) ... [2023-11-19 02:56:16,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 02:56:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 02:56:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:56:16,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:16,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:16,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:56:16,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:56:16,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea6a67e-75af-4005-a0a0-49f022df7941/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process