./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_5.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_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:58,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:58,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:58,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:58,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:58,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:58,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:58,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:58,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:58,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:58,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:58,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:58,512 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:58,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:58,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:58,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:58,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:58,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:58,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:58,517 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:58,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:58,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:58,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:58,520 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:58,521 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:58,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:58,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:58,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:58,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:58,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:58,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:58,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:58,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:58,526 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_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e [2023-11-24 22:59:58,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:58,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:58,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:58,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:58,880 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:58,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2023-11-24 23:00:01,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:02,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:02,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2023-11-24 23:00:02,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data/f7bebc158/70ec3b6e4776438ebbc5b1f50242ede6/FLAGc79d94033 [2023-11-24 23:00:02,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data/f7bebc158/70ec3b6e4776438ebbc5b1f50242ede6 [2023-11-24 23:00:02,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:02,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:02,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:02,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:02,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:02,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4494ef97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02, skipping insertion in model container [2023-11-24 23:00:02,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:02,500 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_3643fdd3-b141-4c3e-93ed-6ee90d26482b/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2023-11-24 23:00:02,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:02,519 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:02,536 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_3643fdd3-b141-4c3e-93ed-6ee90d26482b/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2023-11-24 23:00:02,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:02,553 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:02,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02 WrapperNode [2023-11-24 23:00:02,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:02,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:02,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:02,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:02,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,604 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-11-24 23:00:02,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:02,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:02,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:02,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:02,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:02,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:02,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:02,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:02,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:02,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:02,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:02,820 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:02,823 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:02,998 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:03,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:03,079 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:03,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:03 BoogieIcfgContainer [2023-11-24 23:00:03,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:03,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:03,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:03,099 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:03,099 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:00:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:00:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:00:03,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:03,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:03,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:03,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:03,392 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:03,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:03 ImpRootNode [2023-11-24 23:00:03,422 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:03,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:03,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:03,424 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:03,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:03" (3/4) ... [2023-11-24 23:00:03,428 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:03,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:03,432 INFO L158 Benchmark]: Toolchain (without parser) took 1134.78ms. Allocated memory is still 201.3MB. Free memory was 169.4MB in the beginning and 132.6MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,432 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:03,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.69ms. Allocated memory is still 201.3MB. Free memory was 169.4MB in the beginning and 158.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.42ms. Allocated memory is still 201.3MB. Free memory was 158.7MB in the beginning and 156.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,436 INFO L158 Benchmark]: Boogie Preprocessor took 45.12ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 155.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,437 INFO L158 Benchmark]: RCFGBuilder took 434.46ms. Allocated memory is still 201.3MB. Free memory was 155.7MB in the beginning and 144.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,438 INFO L158 Benchmark]: CodeCheck took 335.76ms. Allocated memory is still 201.3MB. Free memory was 144.3MB in the beginning and 133.5MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,439 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 132.6MB in the end (delta: 902.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,448 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 > -1.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [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 0.37ms. Allocated memory is still 127.9MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.69ms. Allocated memory is still 201.3MB. Free memory was 169.4MB in the beginning and 158.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.42ms. Allocated memory is still 201.3MB. Free memory was 158.7MB in the beginning and 156.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.12ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 155.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.46ms. Allocated memory is still 201.3MB. Free memory was 155.7MB in the beginning and 144.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 335.76ms. Allocated memory is still 201.3MB. Free memory was 144.3MB in the beginning and 133.5MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 132.6MB in the end (delta: 902.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:03,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:06,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:06,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:00:06,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:06,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:06,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:06,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:06,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:06,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:06,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:06,276 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:06,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:06,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:06,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:06,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:06,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:06,279 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:06,280 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:06,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:06,281 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:06,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:06,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:06,283 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:06,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:06,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:06,285 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:06,286 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:06,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:06,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:06,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:06,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:06,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:06,290 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:06,291 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:06,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:06,292 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:06,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:06,293 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_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e [2023-11-24 23:00:06,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:06,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:06,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:06,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:06,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:06,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2023-11-24 23:00:10,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:10,497 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:10,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2023-11-24 23:00:10,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data/3a7480ecb/a04366060f204373b1b1c0655e8a05c8/FLAG46c10e898 [2023-11-24 23:00:10,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/data/3a7480ecb/a04366060f204373b1b1c0655e8a05c8 [2023-11-24 23:00:10,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:10,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:10,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:10,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:10,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:10,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f47ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10, skipping insertion in model container [2023-11-24 23:00:10,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:10,796 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_3643fdd3-b141-4c3e-93ed-6ee90d26482b/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2023-11-24 23:00:10,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:10,818 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:10,852 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_3643fdd3-b141-4c3e-93ed-6ee90d26482b/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2023-11-24 23:00:10,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:10,869 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:10,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10 WrapperNode [2023-11-24 23:00:10,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:10,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:10,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:10,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:10,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,922 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2023-11-24 23:00:10,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:10,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:10,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:10,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:10,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:10,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:10,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:10,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:10,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:10,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:11,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:11,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:11,167 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:11,169 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:34,432 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:34,518 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:34,520 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:34,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:34 BoogieIcfgContainer [2023-11-24 23:00:34,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:34,525 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:34,525 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:34,537 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:34,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:34" (1/1) ... [2023-11-24 23:00:34,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:00:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:00:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:00:34,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:34,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:34,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:34,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3643fdd3-b141-4c3e-93ed-6ee90d26482b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process