./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3 --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 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:57:52,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:57:52,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:57:52,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:57:52,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:57:52,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:57:52,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:57:52,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:57:52,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:57:52,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:57:52,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:57:52,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:57:52,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:57:52,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:57:52,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:57:52,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:57:52,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:57:52,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:57:52,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:57:52,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:57:52,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:57:52,207 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:57:52,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:57:52,208 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:57:52,208 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:57:52,208 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:57:52,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:57:52,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:57:52,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:57:52,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:57:52,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:57:52,209 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:57:52,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:57:52,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-11-25 02:57:52,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:57:52,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:57:52,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:57:52,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:57:52,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:57:52,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-25 02:57:55,496 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/2e8239409/e36a0f323ffb486984ceaeeb2518a28b/FLAG3e2e4f041 [2024-11-25 02:57:55,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:57:55,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-25 02:57:55,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/2e8239409/e36a0f323ffb486984ceaeeb2518a28b/FLAG3e2e4f041 [2024-11-25 02:57:56,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/2e8239409/e36a0f323ffb486984ceaeeb2518a28b [2024-11-25 02:57:56,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:57:56,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:57:56,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:57:56,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:57:56,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:57:56,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56, skipping insertion in model container [2024-11-25 02:57:56,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:57:56,285 WARN L250 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_c17b836e-85d4-4895-a36d-8431a4d06fa5/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-25 02:57:56,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:57:56,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:57:56,342 WARN L250 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_c17b836e-85d4-4895-a36d-8431a4d06fa5/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-25 02:57:56,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:57:56,364 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:57:56,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56 WrapperNode [2024-11-25 02:57:56,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:57:56,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:57:56,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:57:56,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:57:56,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,396 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-25 02:57:56,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:57:56,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:57:56,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:57:56,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:57:56,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,409 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:57:56,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:57:56,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:57:56,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:57:56,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:57:56,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:57:56,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:57:56,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:57:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:57:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:57:56,567 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:57:56,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:57:56,699 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 02:57:56,699 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:57:56,755 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:57:56,755 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:57:56,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:56 BoogieIcfgContainer [2024-11-25 02:57:56,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:57:56,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:57:56,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:57:56,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:57:56,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:56" (1/1) ... [2024-11-25 02:57:56,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:57:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:57:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:57:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:57:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:57:56,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:57:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:57:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:56,927 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:57:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:57,003 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:57:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:57:57,028 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:57:57,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:57:57 ImpRootNode [2024-11-25 02:57:57,050 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:57:57,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:57:57,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:57:57,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:57:57,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:57:56" (3/4) ... [2024-11-25 02:57:57,054 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:57:57,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:57:57,056 INFO L158 Benchmark]: Toolchain (without parser) took 982.73ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 80.7MB in the end (delta: 39.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:57:57,057 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:57,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.06ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 108.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:57:57,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.48ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:57,058 INFO L158 Benchmark]: Boogie Preprocessor took 18.86ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.9MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:57,058 INFO L158 Benchmark]: RCFGBuilder took 340.30ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:57:57,059 INFO L158 Benchmark]: CodeCheck took 290.32ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 81.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:57:57,059 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 80.7MB in the end (delta: 295.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:57:57,061 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, ConComCheckerStatistics: 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 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of someUnaryDOUBLEoperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L15] double _EPS = 1e-6; [L43] double d, dd, r; [L44] double epsilon = 1e-8; [L46] d = 1. VAL [_EPS=1/1000000] [L46] COND TRUE d <= 20. [L48] dd = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L11] COND FALSE !(!cond) [L49] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L51] 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 [_EPS=1/1000000, cond=0, i=0] [L28] COND FALSE !(\read(cond)) [L38] return 1.0 / xnp1; [L51] RET, EXPR SqrtR(dd) [L51] r = SqrtR(dd) [L53] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L13] COND TRUE !(cond) VAL [_EPS=1/1000000] [L13] reach_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.06ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 108.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.48ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.86ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.9MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.30ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 290.32ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 81.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 80.7MB in the end (delta: 295.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:57:57,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3 --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 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:57:59,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:57:59,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:57:59,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:57:59,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:57:59,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:57:59,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:57:59,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:57:59,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:57:59,916 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:57:59,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:57:59,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:57:59,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:57:59,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:57:59,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:57:59,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:57:59,929 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:57:59,929 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:57:59,929 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:57:59,929 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:57:59,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:57:59,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:57:59,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:57:59,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:57:59,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:57:59,930 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:57:59,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:57:59,930 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:57:59,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-11-25 02:58:00,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:58:00,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:58:00,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:58:00,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:58:00,270 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:58:00,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-25 02:58:03,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/ca8371a3e/f016ddfe16214e41975a32118df755ba/FLAGb477e7e55 [2024-11-25 02:58:03,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:58:03,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-25 02:58:03,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/ca8371a3e/f016ddfe16214e41975a32118df755ba/FLAGb477e7e55 [2024-11-25 02:58:03,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/data/ca8371a3e/f016ddfe16214e41975a32118df755ba [2024-11-25 02:58:03,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:58:03,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:58:03,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:58:03,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:58:03,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:58:03,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:03,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66144e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03, skipping insertion in model container [2024-11-25 02:58:03,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:03,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:58:03,827 WARN L250 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_c17b836e-85d4-4895-a36d-8431a4d06fa5/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-25 02:58:03,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:58:03,881 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:58:03,896 WARN L250 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_c17b836e-85d4-4895-a36d-8431a4d06fa5/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-25 02:58:03,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:58:03,939 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:58:03,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03 WrapperNode [2024-11-25 02:58:03,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:58:03,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:58:03,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:58:03,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:58:03,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:03,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:03,988 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-25 02:58:03,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:58:03,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:58:03,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:58:03,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:58:03,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:03,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:03,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,007 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:58:04,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:58:04,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:58:04,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:58:04,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:58:03" (1/1) ... [2024-11-25 02:58:04,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:58:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:58:04,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:58:04,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:58:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:58:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:58:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:58:04,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:58:04,150 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:58:04,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:58:33,253 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 02:58:33,253 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:58:33,314 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:58:33,314 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:58:33,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:58:33 BoogieIcfgContainer [2024-11-25 02:58:33,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:58:33,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:58:33,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:58:33,328 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:58:33,328 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:58:33" (1/1) ... [2024-11-25 02:58:33,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:58:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:58:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:58:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:58:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:58:33,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:58:33,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:58:33,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:58:33,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:58:33,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:58:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:58:37,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:58:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:58:48,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:58:48,013 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:485) 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) [2024-11-25 02:58:48,017 INFO L158 Benchmark]: Toolchain (without parser) took 44389.91ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 53.8MB in the end (delta: 38.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:58:48,018 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:58:48,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.84ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:58:48,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.17ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:58:48,019 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:58:48,020 INFO L158 Benchmark]: RCFGBuilder took 29297.78ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 62.1MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:58:48,020 INFO L158 Benchmark]: CodeCheck took 14700.06ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 53.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:58:48,022 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.84ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.17ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 29297.78ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 62.1MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14700.06ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 53.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:58:48,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c17b836e-85d4-4895-a36d-8431a4d06fa5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown