./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi --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 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:16,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:16,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:16,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:16,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:16,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:16,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:16,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:16,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:16,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:16,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:16,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:16,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:16,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:16,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:16,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:16,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:16,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:16,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:16,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:16,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:16,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:16,510 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:16,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:16,511 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:16,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:16,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:16,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:16,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:16,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:16,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:16,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:16,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:16,516 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_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a [2023-11-24 22:54:16,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:16,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:16,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:16,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:16,841 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:16,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2023-11-24 22:54:19,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:20,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:20,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2023-11-24 22:54:20,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data/7b210acd2/c0cf071da66348e6bed02d66a7973858/FLAG0b88dca75 [2023-11-24 22:54:20,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data/7b210acd2/c0cf071da66348e6bed02d66a7973858 [2023-11-24 22:54:20,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:20,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:20,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:20,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:20,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:20,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c30443f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20, skipping insertion in model container [2023-11-24 22:54:20,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:20,531 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_ecee6f72-8242-4db2-86ec-12233ef4b964/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2023-11-24 22:54:20,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:20,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:20,563 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_ecee6f72-8242-4db2-86ec-12233ef4b964/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2023-11-24 22:54:20,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:20,580 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:20,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20 WrapperNode [2023-11-24 22:54:20,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:20,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:20,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:20,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:20,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,620 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2023-11-24 22:54:20,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:20,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:20,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:20,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:20,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:20,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:20,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:20,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:20,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:20,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:20,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:20,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-24 22:54:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-24 22:54:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-24 22:54:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-24 22:54:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:20,814 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:20,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:20,933 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:21,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:21,003 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:21,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:21 BoogieIcfgContainer [2023-11-24 22:54:21,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:21,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:21,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:21,025 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:21,025 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:54:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:54:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:21,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:21,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:21,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:21,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:21,340 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:54:21,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-24 22:54:21,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-24 22:54:21,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-24 22:54:21,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-24 22:54:21,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-24 22:54:21,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-24 22:54:21,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:21 ImpRootNode [2023-11-24 22:54:21,382 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:21,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:21,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:21,384 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:21,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:21" (3/4) ... [2023-11-24 22:54:21,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:54:21,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:21,389 INFO L158 Benchmark]: Toolchain (without parser) took 1146.66ms. Allocated memory is still 153.1MB. Free memory was 109.0MB in the beginning and 89.2MB in the end (delta: 19.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-24 22:54:21,389 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:21,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.52ms. Allocated memory is still 153.1MB. Free memory was 109.0MB in the beginning and 117.5MB in the end (delta: -8.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:21,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.97ms. Allocated memory is still 153.1MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:54:21,391 INFO L158 Benchmark]: Boogie Preprocessor took 24.92ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 115.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:21,392 INFO L158 Benchmark]: RCFGBuilder took 358.12ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 103.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:54:21,393 INFO L158 Benchmark]: CodeCheck took 376.10ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 89.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:54:21,393 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 153.1MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:21,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 51]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=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) [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 100.7MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.52ms. Allocated memory is still 153.1MB. Free memory was 109.0MB in the beginning and 117.5MB in the end (delta: -8.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.97ms. Allocated memory is still 153.1MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.92ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 115.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.12ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 103.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 376.10ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 89.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 153.1MB. Free memory is still 89.2MB. 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:54:21,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi --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 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:24,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:24,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:54:24,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:24,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:24,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:24,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:24,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:24,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:24,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:24,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:24,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:24,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:24,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:24,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:24,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:24,330 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:54:24,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:54:24,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:54:24,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:24,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:24,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:24,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:24,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:24,342 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:24,342 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:24,343 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:24,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:24,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:24,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:24,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:24,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:24,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:54:24,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:24,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:24,347 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:54:24,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:24,347 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_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a [2023-11-24 22:54:24,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:24,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:24,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:24,848 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:24,849 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:24,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2023-11-24 22:54:28,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:28,323 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:28,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2023-11-24 22:54:28,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data/7c8fd4852/0a73f87fdce34a48af5e3015c443e7b0/FLAG3a4b20bb8 [2023-11-24 22:54:28,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/data/7c8fd4852/0a73f87fdce34a48af5e3015c443e7b0 [2023-11-24 22:54:28,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:28,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:28,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:28,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:28,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:28,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a418d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28, skipping insertion in model container [2023-11-24 22:54:28,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:28,559 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_ecee6f72-8242-4db2-86ec-12233ef4b964/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2023-11-24 22:54:28,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:28,584 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:28,620 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_ecee6f72-8242-4db2-86ec-12233ef4b964/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2023-11-24 22:54:28,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:28,648 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:28,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28 WrapperNode [2023-11-24 22:54:28,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:28,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:28,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:28,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:28,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,702 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-24 22:54:28,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:28,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:28,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:28,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:28,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:28,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:28,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:28,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:28,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:28,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:28,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:28,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-24 22:54:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-24 22:54:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:54:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-24 22:54:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-24 22:54:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:28,967 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:28,971 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:56,253 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:56,340 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:56,340 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:56,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:56 BoogieIcfgContainer [2023-11-24 22:54:56,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:56,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:56,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:56,358 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:56,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:56" (1/1) ... [2023-11-24 22:54:56,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:54:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:54:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:56,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:56,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:56,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:56,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecee6f72-8242-4db2-86ec-12233ef4b964/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process