./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_3.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_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9 --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 26fa7b1fc8948e323dc46aa278c02b07d6da75b1e07ffd01b89efc9a86bb90ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:50:04,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:50:04,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:50:04,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:50:04,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:50:04,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:50:04,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:50:04,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:50:04,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:50:04,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:50:04,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:50:04,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:50:04,716 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:50:04,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:50:04,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:50:04,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:50:04,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:50:04,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:50:04,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:50:04,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:50:04,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:50:04,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:50:04,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:50:04,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:50:04,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:50:04,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:50:04,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:50:04,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:50:04,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:50:04,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:50:04,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:50:04,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:50:04,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:50:04,727 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_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26fa7b1fc8948e323dc46aa278c02b07d6da75b1e07ffd01b89efc9a86bb90ce [2023-12-03 04:50:04,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:50:04,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:50:04,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:50:04,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:50:04,977 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:50:04,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/newton_1_3.i [2023-12-03 04:50:07,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:50:08,034 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:50:08,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/sv-benchmarks/c/floats-cdfpl/newton_1_3.i [2023-12-03 04:50:08,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data/3121f66ca/8ff06ac85c3d4599b888665e317b5209/FLAG0a0d56f8f [2023-12-03 04:50:08,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data/3121f66ca/8ff06ac85c3d4599b888665e317b5209 [2023-12-03 04:50:08,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:50:08,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:50:08,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:50:08,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:50:08,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:50:08,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d995431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08, skipping insertion in model container [2023-12-03 04:50:08,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:50:08,271 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_4ab57ee8-60c3-4032-acda-bec97c6483d9/sv-benchmarks/c/floats-cdfpl/newton_1_3.i[1722,1735] [2023-12-03 04:50:08,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:50:08,284 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:50:08,299 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_4ab57ee8-60c3-4032-acda-bec97c6483d9/sv-benchmarks/c/floats-cdfpl/newton_1_3.i[1722,1735] [2023-12-03 04:50:08,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:50:08,311 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:50:08,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08 WrapperNode [2023-12-03 04:50:08,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:50:08,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:50:08,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:50:08,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:50:08,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,340 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-12-03 04:50:08,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:50:08,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:50:08,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:50:08,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:50:08,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:50:08,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:50:08,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:50:08,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:50:08,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:50:08,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:50:08,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:50:08,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:50:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:50:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:50:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:50:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:50:08,495 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:50:08,497 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:50:08,569 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:50:08,606 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:50:08,606 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:50:08,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:50:08 BoogieIcfgContainer [2023-12-03 04:50:08,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:50:08,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:50:08,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:50:08,616 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:50:08,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:50:08" (1/1) ... [2023-12-03 04:50:08,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:50:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 04:50:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 04:50:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:50:08,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:08,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:50:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:50:08,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:50:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:50:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:50:08,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:50:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:50:08,820 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:50:08,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:50:08 ImpRootNode [2023-12-03 04:50:08,838 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:50:08,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:50:08,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:50:08,839 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:50:08,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:50:08" (3/4) ... [2023-12-03 04:50:08,842 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:50:08,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:50:08,844 INFO L158 Benchmark]: Toolchain (without parser) took 784.64ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 95.1MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 04:50:08,845 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:50:08,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.17ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 120.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:50:08,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.65ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 118.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:50:08,847 INFO L158 Benchmark]: Boogie Preprocessor took 19.34ms. Allocated memory is still 163.6MB. Free memory was 118.7MB in the beginning and 117.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:50:08,847 INFO L158 Benchmark]: RCFGBuilder took 246.11ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 106.7MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:50:08,848 INFO L158 Benchmark]: CodeCheck took 229.55ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 95.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:50:08,849 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 163.6MB. Free memory was 95.7MB in the beginning and 95.1MB in the end (delta: 545.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:50:08,852 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 > -0.6f && IN < 0.6f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f) [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 0.19ms. Allocated memory is still 163.6MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.17ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 120.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.65ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 118.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.34ms. Allocated memory is still 163.6MB. Free memory was 118.7MB in the beginning and 117.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.11ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 106.7MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 229.55ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 95.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 163.6MB. Free memory was 95.7MB in the beginning and 95.1MB in the end (delta: 545.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:50:08,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/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_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9 --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 26fa7b1fc8948e323dc46aa278c02b07d6da75b1e07ffd01b89efc9a86bb90ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:50:10,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:50:10,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:50:10,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:50:10,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:50:10,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:50:10,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:50:10,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:50:10,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:50:10,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:50:10,967 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:50:10,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:50:10,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:50:10,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:50:10,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:50:10,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:50:10,970 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:50:10,970 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:50:10,971 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:50:10,972 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:50:10,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:50:10,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:50:10,973 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:50:10,974 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:50:10,974 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:50:10,975 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:10,975 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:50:10,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:50:10,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:50:10,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:50:10,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:50:10,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:50:10,978 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:50:10,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:10,979 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:50:10,979 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:50:10,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:50:10,980 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_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26fa7b1fc8948e323dc46aa278c02b07d6da75b1e07ffd01b89efc9a86bb90ce [2023-12-03 04:50:11,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:50:11,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:50:11,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:50:11,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:50:11,336 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:50:11,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/newton_1_3.i [2023-12-03 04:50:14,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:50:14,400 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:50:14,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/sv-benchmarks/c/floats-cdfpl/newton_1_3.i [2023-12-03 04:50:14,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data/b09bf0f59/e3f9506b87c940fb8b3eb23ebb0c41dc/FLAG99d034608 [2023-12-03 04:50:14,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/data/b09bf0f59/e3f9506b87c940fb8b3eb23ebb0c41dc [2023-12-03 04:50:14,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:50:14,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:50:14,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:50:14,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:50:14,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:50:14,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246f266c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14, skipping insertion in model container [2023-12-03 04:50:14,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:50:14,591 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_4ab57ee8-60c3-4032-acda-bec97c6483d9/sv-benchmarks/c/floats-cdfpl/newton_1_3.i[1722,1735] [2023-12-03 04:50:14,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:50:14,609 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:50:14,626 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_4ab57ee8-60c3-4032-acda-bec97c6483d9/sv-benchmarks/c/floats-cdfpl/newton_1_3.i[1722,1735] [2023-12-03 04:50:14,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:50:14,643 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:50:14,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14 WrapperNode [2023-12-03 04:50:14,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:50:14,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:50:14,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:50:14,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:50:14,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,681 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2023-12-03 04:50:14,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:50:14,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:50:14,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:50:14,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:50:14,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:50:14,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:50:14,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:50:14,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:50:14,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:50:14" (1/1) ... [2023-12-03 04:50:14,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:50:14,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:50:14,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:50:14,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:50:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:50:14,861 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:50:14,863 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:50:37,841 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:50:37,895 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:50:37,896 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:50:37,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:50:37 BoogieIcfgContainer [2023-12-03 04:50:37,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:50:37,898 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:50:37,899 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:50:37,908 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:50:37,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:50:37" (1/1) ... [2023-12-03 04:50:37,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:50:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 04:50:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 04:50:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:50:37,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:37,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:37,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 05:01:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:33,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:01:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 05:01:46,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 05:01:46,670 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 05:01:46,674 INFO L158 Benchmark]: Toolchain (without parser) took 692247.65ms. Allocated memory is still 100.7MB. Free memory was 77.3MB in the beginning and 66.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:46,674 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:46,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.83ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 65.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 05:01:46,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.27ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 64.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:46,676 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:46,677 INFO L158 Benchmark]: RCFGBuilder took 23184.83ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 75.0MB in the end (delta: -12.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:46,678 INFO L158 Benchmark]: CodeCheck took 668774.07ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 66.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 05:01:46,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.83ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 65.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.27ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 64.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 23184.83ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 75.0MB in the end (delta: -12.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * CodeCheck took 668774.07ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 66.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 05:01:46,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab57ee8-60c3-4032-acda-bec97c6483d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown