./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:32,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:32,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:37:32,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:32,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:32,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:32,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:32,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:32,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:32,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:32,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:32,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:32,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:32,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:32,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:32,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:32,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:32,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:32,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:32,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:32,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:32,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:32,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:32,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:32,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:32,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:32,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:32,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:32,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:32,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:32,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:32,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:32,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:32,371 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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d [2023-11-19 03:37:32,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:32,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:32,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:32,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:32,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:32,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2023-11-19 03:37:35,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:36,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:36,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2023-11-19 03:37:36,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data/a2a459a23/36615f89fec049bf9fd8b5d14a68f465/FLAGd16fb4756 [2023-11-19 03:37:36,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data/a2a459a23/36615f89fec049bf9fd8b5d14a68f465 [2023-11-19 03:37:36,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:36,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:36,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:36,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:36,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:36,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbd50da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36, skipping insertion in model container [2023-11-19 03:37:36,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:36,390 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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2023-11-19 03:37:36,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:36,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:36,453 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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2023-11-19 03:37:36,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:36,480 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:36,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36 WrapperNode [2023-11-19 03:37:36,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:36,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:36,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:36,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:36,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,534 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-11-19 03:37:36,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:36,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:36,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:36,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:36,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:36,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:36,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:36,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:36,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:36,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:36,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:36,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:36,752 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:36,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:36,880 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:36,963 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:36,966 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:37:36,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:36 BoogieIcfgContainer [2023-11-19 03:37:36,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:36,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:36,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:36,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:36,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:36" (1/1) ... [2023-11-19 03:37:36,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:37:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:37:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:37:37,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:37,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:37,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:37,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:37,226 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:37:37,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:37:37 ImpRootNode [2023-11-19 03:37:37,249 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:37:37,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:37:37,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:37:37,251 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:37:37,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:36" (3/4) ... [2023-11-19 03:37:37,254 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:37:37,256 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:37:37,257 INFO L158 Benchmark]: Toolchain (without parser) took 1175.21ms. Allocated memory is still 134.2MB. Free memory was 87.8MB in the beginning and 52.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:37:37,258 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:37,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.94ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 76.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:37:37,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.21ms. Allocated memory is still 134.2MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:37,261 INFO L158 Benchmark]: Boogie Preprocessor took 49.72ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 74.3MB in the end (delta: 928.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:37,262 INFO L158 Benchmark]: RCFGBuilder took 385.07ms. Allocated memory is still 134.2MB. Free memory was 74.0MB in the beginning and 63.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:37:37,263 INFO L158 Benchmark]: CodeCheck took 276.69ms. Allocated memory is still 134.2MB. Free memory was 63.2MB in the beginning and 52.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:37:37,264 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 134.2MB. Free memory was 52.5MB in the beginning and 52.2MB in the end (delta: 256.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:37,270 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 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 3 NumberOfCodeBlocks, 3 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 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L42] CALL, EXPR f(IN) [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) [L42] CALL, EXPR fp(IN) [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) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.94ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 76.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.21ms. Allocated memory is still 134.2MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.72ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 74.3MB in the end (delta: 928.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.07ms. Allocated memory is still 134.2MB. Free memory was 74.0MB in the beginning and 63.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 276.69ms. Allocated memory is still 134.2MB. Free memory was 63.2MB in the beginning and 52.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 134.2MB. Free memory was 52.5MB in the beginning and 52.2MB in the end (delta: 256.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:37:37,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:40,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:40,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:37:40,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:40,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:40,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:40,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:40,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:40,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:40,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:40,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:40,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:40,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:40,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:40,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:40,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:40,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:37:40,327 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:37:40,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:37:40,329 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:40,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:40,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:40,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:40,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:40,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:40,338 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:40,338 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:40,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:40,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:40,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:40,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:40,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:40,342 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:37:40,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:40,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:40,344 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:37:40,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:40,345 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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d [2023-11-19 03:37:40,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:40,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:40,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:40,823 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:40,824 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:40,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2023-11-19 03:37:44,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:44,427 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:44,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2023-11-19 03:37:44,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data/313dc9103/252603d73a404e1eb6aa6df72d611001/FLAGcdd94964a [2023-11-19 03:37:44,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/data/313dc9103/252603d73a404e1eb6aa6df72d611001 [2023-11-19 03:37:44,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:44,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:44,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:44,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:44,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:44,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1f6508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44, skipping insertion in model container [2023-11-19 03:37:44,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:44,675 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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2023-11-19 03:37:44,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:44,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:44,719 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_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2023-11-19 03:37:44,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:44,738 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:44,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44 WrapperNode [2023-11-19 03:37:44,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:44,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:44,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:44,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:44,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,802 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2023-11-19 03:37:44,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:44,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:44,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:44,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:44,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:44,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:44,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:44,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:44,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:44" (1/1) ... [2023-11-19 03:37:44,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:44,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:44,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:44,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:37:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:44,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:45,024 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:45,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:05,853 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:05,910 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:05,913 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:38:05,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:05 BoogieIcfgContainer [2023-11-19 03:38:05,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:05,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:05,923 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:05,933 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:05,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:05" (1/1) ... [2023-11-19 03:38:05,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:38:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:38:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:38:05,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:05,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:05,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:38:06,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:38:06,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e8a59b5-18d2-4311-a1e1-14eeb6488b3c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process