./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:42,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:42,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:42,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:42,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:42,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:42,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:42,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:42,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:42,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:42,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:42,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:42,414 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:42,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:42,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:42,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:42,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:42,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:42,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:42,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:42,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:42,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:42,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:42,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:42,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:42,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:42,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:42,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:42,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:42,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:42,427 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:42,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:42,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:42,428 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_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2023-11-19 03:03:42,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:42,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:42,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:42,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:42,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:42,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2023-11-19 03:03:46,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:46,254 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:46,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2023-11-19 03:03:46,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data/f53df207d/f323a94310d64dfcb8972cd34c782136/FLAG32f2d2592 [2023-11-19 03:03:46,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data/f53df207d/f323a94310d64dfcb8972cd34c782136 [2023-11-19 03:03:46,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:46,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:46,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:46,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:46,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:46,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a714e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46, skipping insertion in model container [2023-11-19 03:03:46,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:46,508 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_380282df-cf1d-4520-8e23-7c1d6c75e826/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2023-11-19 03:03:46,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:46,541 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:46,555 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_380282df-cf1d-4520-8e23-7c1d6c75e826/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2023-11-19 03:03:46,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:46,581 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:46,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46 WrapperNode [2023-11-19 03:03:46,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:46,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:46,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:46,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:46,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,625 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2023-11-19 03:03:46,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:46,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:46,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:46,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:46,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:46,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:46,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:46,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:46,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:46" (1/1) ... [2023-11-19 03:03:46,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:46,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:46,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:46,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:46,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:47,050 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:47,118 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:47,118 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:03:47,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:47 BoogieIcfgContainer [2023-11-19 03:03:47,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:47,123 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:47,123 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:47,132 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:47,132 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:47" (1/1) ... [2023-11-19 03:03:47,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:03:47,192 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:03:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:03:47,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:47,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:03:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:47,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:03:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:03:47,487 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:03:47,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:03:47 ImpRootNode [2023-11-19 03:03:47,520 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:03:47,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:03:47,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:03:47,525 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:03:47,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:47" (3/4) ... [2023-11-19 03:03:47,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:03:47,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:03:47,537 INFO L158 Benchmark]: Toolchain (without parser) took 1245.96ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 96.4MB in the end (delta: 3.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-19 03:03:47,538 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 71.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:47,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.53ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 88.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:03:47,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.72ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 87.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:47,542 INFO L158 Benchmark]: Boogie Preprocessor took 28.90ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:47,543 INFO L158 Benchmark]: RCFGBuilder took 465.76ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 111.0MB in the end (delta: -25.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:47,544 INFO L158 Benchmark]: CodeCheck took 397.88ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 97.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:03:47,545 INFO L158 Benchmark]: Witness Printer took 10.86ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 96.4MB in the end (delta: 776.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:47,555 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, 8 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, 5 NumberOfCodeBlocks, 5 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: 13]: 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 someBinaryArithmeticDOUBLEoperation at line 37, overapproximation of someUnaryDOUBLEoperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L15] double _EPS = 1e-6; [L42] double d, dd, r; [L43] double epsilon = 1e-8; [L45] d = 1. VAL [_EPS=1/1000000, d=1, epsilon=1/100000000] [L45] COND TRUE d <= 20. [L47] dd = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L11] COND FALSE !(!cond) [L48] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L50] CALL, EXPR SqrtR(dd) [L19] double xn, xnp1, residu, lsup, linf; [L20] int i, cond; [L21] COND TRUE Input <= 1.0 [L21] xn = 1.0 [L22] xnp1 = xn [L23] residu = 2.0*_EPS*(xn+xnp1) [L24] lsup = _EPS * (xn+xnp1) [L25] linf = -lsup [L26] cond = ((residu > lsup) || (residu < linf)) [L27] i = 0 VAL [Input=2, \old(Input)=2, _EPS=1/1000000, cond=0, i=0, xn=1, xn=1] [L28] COND FALSE !(\read(cond)) [L37] return 1.0 / xnp1; [L50] RET, EXPR SqrtR(dd) [L50] r = SqrtR(dd) [L52] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L13] COND TRUE !(cond) VAL [\old(cond)=0, _EPS=1/1000000, cond=0] [L13] reach_error() VAL [\old(cond)=0, _EPS=1/1000000, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 71.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.53ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 88.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.72ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 87.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.90ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.76ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 111.0MB in the end (delta: -25.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 397.88ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 97.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.86ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 96.4MB in the end (delta: 776.8kB). 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 [2023-11-19 03:03:47,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:50,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:50,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:03:50,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:50,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:50,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:50,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:50,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:50,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:50,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:50,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:50,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:50,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:50,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:50,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:50,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:50,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:03:50,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:03:50,708 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:03:50,709 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:50,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:50,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:50,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:50,711 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:50,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:50,712 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:50,713 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:50,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:50,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:50,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:50,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:50,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:50,716 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:03:50,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:50,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:50,717 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:03:50,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:50,718 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_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2023-11-19 03:03:51,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:51,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:51,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:51,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:51,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:51,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2023-11-19 03:03:54,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:54,717 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:54,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2023-11-19 03:03:54,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data/cb46d8c4f/0d5d2d12dd6b4a08b7767d4143de9d87/FLAGcc20a6e73 [2023-11-19 03:03:54,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/data/cb46d8c4f/0d5d2d12dd6b4a08b7767d4143de9d87 [2023-11-19 03:03:54,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:54,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:54,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:54,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:54,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:54,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:54" (1/1) ... [2023-11-19 03:03:54,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55af298f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:54, skipping insertion in model container [2023-11-19 03:03:54,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:54" (1/1) ... [2023-11-19 03:03:54,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:54,993 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_380282df-cf1d-4520-8e23-7c1d6c75e826/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2023-11-19 03:03:55,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:55,050 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:55,067 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_380282df-cf1d-4520-8e23-7c1d6c75e826/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2023-11-19 03:03:55,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:55,114 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:55,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55 WrapperNode [2023-11-19 03:03:55,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:55,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:55,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:55,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:55,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,171 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2023-11-19 03:03:55,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:55,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:55,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:55,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:55,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:55,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:55,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:55,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:55,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:55" (1/1) ... [2023-11-19 03:03:55,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:55,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:55,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:55,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:03:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:55,427 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:55,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:35,736 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:35,805 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:35,806 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:04:35,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:35 BoogieIcfgContainer [2023-11-19 03:04:35,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:35,812 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:35,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:35,825 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:35,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:35" (1/1) ... [2023-11-19 03:04:35,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:04:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:04:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:04:35,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:04:35,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:35,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:04:35,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:04:35,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:04:35,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:04:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:41,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:04:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:04:51,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:04:51,638 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) [2023-11-19 03:04:51,642 INFO L158 Benchmark]: Toolchain (without parser) took 56886.00ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 63.9MB in the end (delta: 12.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-19 03:04:51,643 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:51,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.87ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 65.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:04:51,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.29ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 63.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:04:51,646 INFO L158 Benchmark]: Boogie Preprocessor took 60.03ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 61.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:04:51,648 INFO L158 Benchmark]: RCFGBuilder took 40578.51ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 72.4MB in the end (delta: -10.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-19 03:04:51,649 INFO L158 Benchmark]: CodeCheck took 15828.15ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 63.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:04:51,654 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 0.38ms. Allocated memory is still 69.2MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.87ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 65.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.29ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 63.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.03ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 61.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 40578.51ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 72.4MB in the end (delta: -10.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * CodeCheck took 15828.15ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 63.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:04:51,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380282df-cf1d-4520-8e23-7c1d6c75e826/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown