./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_6.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_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/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_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/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_28676a64-1b77-45b9-a333-45fd9f26656c/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 2322eb78e0bcc31f88b84cc6e8634dc4fa1254b3bd27e5fa0d7077c3e2485500 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:25,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:25,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:32:25,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:32:25,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:32:25,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:25,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:25,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:25,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:25,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:25,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:25,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:25,204 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:25,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:32:25,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:25,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:25,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:25,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:25,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:25,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:25,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:25,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:25,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:25,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:25,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:25,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:25,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:25,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:25,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:25,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:25,216 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:32:25,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:32:25,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:25,217 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_28676a64-1b77-45b9-a333-45fd9f26656c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2322eb78e0bcc31f88b84cc6e8634dc4fa1254b3bd27e5fa0d7077c3e2485500 [2023-11-19 02:32:25,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:25,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:25,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:25,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:25,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:25,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_3_6.i [2023-11-19 02:32:28,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:28,977 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:28,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/sv-benchmarks/c/floats-cdfpl/newton_3_6.i [2023-11-19 02:32:28,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data/471f134cd/db9ededb93b24dbb99b2a0ab250ff182/FLAGb598ed3c6 [2023-11-19 02:32:29,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data/471f134cd/db9ededb93b24dbb99b2a0ab250ff182 [2023-11-19 02:32:29,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:29,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:29,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:29,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:29,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:29,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a26311a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29, skipping insertion in model container [2023-11-19 02:32:29,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:29,302 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_28676a64-1b77-45b9-a333-45fd9f26656c/sv-benchmarks/c/floats-cdfpl/newton_3_6.i[1764,1777] [2023-11-19 02:32:29,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:29,318 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:29,340 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_28676a64-1b77-45b9-a333-45fd9f26656c/sv-benchmarks/c/floats-cdfpl/newton_3_6.i[1764,1777] [2023-11-19 02:32:29,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:29,357 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:29,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29 WrapperNode [2023-11-19 02:32:29,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:29,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:29,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:29,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:29,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,392 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-19 02:32:29,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:29,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:29,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:29,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:29,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:29,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:29,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:29,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:29,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:29,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:29,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:29,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 02:32:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 02:32:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 02:32:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 02:32:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:32:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:29,575 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:29,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:32:29,690 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:32:29,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:32:29,732 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:32:29,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:29 BoogieIcfgContainer [2023-11-19 02:32:29,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:32:29,739 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:32:29,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:32:29,750 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:32:29,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:29" (1/1) ... [2023-11-19 02:32:29,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:32:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 02:32:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 02:32:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:32:29,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:29,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:29,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:32:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:30,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:32:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:30,077 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:32:30,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 02:32:30,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 02:32:30,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-19 02:32:30,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 02:32:30,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-19 02:32:30,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 02:32:30,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 02:32:30,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 02:32:30,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated [2023-11-19 02:32:30,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:32:30 ImpRootNode [2023-11-19 02:32:30,117 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:32:30,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:32:30,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:32:30,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:32:30,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:29" (3/4) ... [2023-11-19 02:32:30,125 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:32:30,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:32:30,128 INFO L158 Benchmark]: Toolchain (without parser) took 1104.86ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 58.7MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 02:32:30,129 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:32:30,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.78ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 88.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:32:30,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.68ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:32:30,133 INFO L158 Benchmark]: Boogie Preprocessor took 21.77ms. Allocated memory is still 146.8MB. Free memory was 86.8MB in the beginning and 85.9MB in the end (delta: 846.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:32:30,134 INFO L158 Benchmark]: RCFGBuilder took 322.59ms. Allocated memory is still 146.8MB. Free memory was 85.5MB in the beginning and 74.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:32:30,135 INFO L158 Benchmark]: CodeCheck took 377.49ms. Allocated memory is still 146.8MB. Free memory was 74.2MB in the beginning and 59.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:32:30,136 INFO L158 Benchmark]: Witness Printer took 6.37ms. Allocated memory is still 146.8MB. Free memory was 59.1MB in the beginning and 58.7MB in the end (delta: 399.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:32:30,146 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [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 0.24ms. Allocated memory is still 146.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.78ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 88.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.68ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.77ms. Allocated memory is still 146.8MB. Free memory was 86.8MB in the beginning and 85.9MB in the end (delta: 846.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.59ms. Allocated memory is still 146.8MB. Free memory was 85.5MB in the beginning and 74.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 377.49ms. Allocated memory is still 146.8MB. Free memory was 74.2MB in the beginning and 59.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.37ms. Allocated memory is still 146.8MB. Free memory was 59.1MB in the beginning and 58.7MB in the end (delta: 399.1kB). 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~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret3 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 02:32:30,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/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_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/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_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/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_28676a64-1b77-45b9-a333-45fd9f26656c/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 2322eb78e0bcc31f88b84cc6e8634dc4fa1254b3bd27e5fa0d7077c3e2485500 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:32,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:32,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:32:32,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:32,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:32,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:32,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:32,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:32,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:32,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:32,983 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:32,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:32,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:32,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:32,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:32,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:32,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:32:32,988 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:32:32,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:32:32,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:32,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:32,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:32,991 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:32,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:32,992 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:32,992 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:32:32,992 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:32:32,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:32,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:32,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:32,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:32,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:32,996 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:32:32,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:32:32,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:32,997 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:32:32,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:32:32,997 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_28676a64-1b77-45b9-a333-45fd9f26656c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2322eb78e0bcc31f88b84cc6e8634dc4fa1254b3bd27e5fa0d7077c3e2485500 [2023-11-19 02:32:33,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:33,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:33,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:33,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:33,391 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:33,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_3_6.i [2023-11-19 02:32:36,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:36,814 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:36,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/sv-benchmarks/c/floats-cdfpl/newton_3_6.i [2023-11-19 02:32:36,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data/eb435c27a/2a7c7c0484164352937d0c442ac82131/FLAG122cafafd [2023-11-19 02:32:36,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/data/eb435c27a/2a7c7c0484164352937d0c442ac82131 [2023-11-19 02:32:36,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:36,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:36,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:36,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:36,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:36,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:36" (1/1) ... [2023-11-19 02:32:36,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67966537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:36, skipping insertion in model container [2023-11-19 02:32:36,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:36" (1/1) ... [2023-11-19 02:32:36,890 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:37,109 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_28676a64-1b77-45b9-a333-45fd9f26656c/sv-benchmarks/c/floats-cdfpl/newton_3_6.i[1764,1777] [2023-11-19 02:32:37,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:37,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:37,172 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_28676a64-1b77-45b9-a333-45fd9f26656c/sv-benchmarks/c/floats-cdfpl/newton_3_6.i[1764,1777] [2023-11-19 02:32:37,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:37,194 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:37,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37 WrapperNode [2023-11-19 02:32:37,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:37,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:37,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:37,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:37,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,252 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-11-19 02:32:37,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:37,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:37,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:37,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:37,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:37,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:37,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:37,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:37,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:37" (1/1) ... [2023-11-19 02:32:37,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:37,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:37,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 02:32:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 02:32:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:32:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 02:32:37,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 02:32:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:37,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:37,510 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:37,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:02,245 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:02,300 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:02,300 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:33:02,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:02 BoogieIcfgContainer [2023-11-19 02:33:02,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:02,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:02,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:02,316 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:02,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:02" (1/1) ... [2023-11-19 02:33:02,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:33:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 02:33:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 02:33:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:33:02,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:33:02,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:33:02,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:33:02,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28676a64-1b77-45b9-a333-45fd9f26656c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process