./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:40:37,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:40:37,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:40:37,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:40:37,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:40:37,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:40:37,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:40:37,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:40:37,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:40:37,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:40:37,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:40:37,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:40:37,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:40:37,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:40:37,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:40:37,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:40:37,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:40:37,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:40:37,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:40:37,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:40:37,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:40:37,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:40:37,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:40:37,208 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:40:37,209 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:40:37,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:40:37,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:40:37,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:37,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:40:37,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:40:37,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:40:37,215 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:40:37,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:40:37,216 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_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-11-08 19:40:37,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:40:37,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:40:37,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:40:37,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:40:37,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:40:37,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c Unable to find full path for "g++" [2024-11-08 19:40:39,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:40:39,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:40:39,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-08 19:40:39,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data/f15454cbc/b7faec0b5e0c4a2780b6c712920da80c/FLAG7d14c9a2e [2024-11-08 19:40:39,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data/f15454cbc/b7faec0b5e0c4a2780b6c712920da80c [2024-11-08 19:40:39,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:40:39,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:40:39,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:39,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:40:39,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:40:39,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:39" (1/1) ... [2024-11-08 19:40:39,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4cd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:39, skipping insertion in model container [2024-11-08 19:40:39,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:39" (1/1) ... [2024-11-08 19:40:39,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:40:40,105 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_dd3093b9-b3a4-408c-b850-f400249ec7c6/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-08 19:40:40,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:40,158 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:40:40,173 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_dd3093b9-b3a4-408c-b850-f400249ec7c6/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-08 19:40:40,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:40,216 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:40:40,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40 WrapperNode [2024-11-08 19:40:40,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:40,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:40,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:40:40,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:40:40,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,260 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-08 19:40:40,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:40,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:40:40,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:40:40,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:40:40,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:40:40,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:40:40,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:40:40,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:40:40,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:40:40,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:40:40,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:40:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:40:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:40:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:40:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:40:40,455 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:40:40,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:40:40,655 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 19:40:40,655 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:40:40,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:40:40,739 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:40:40,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:40 BoogieIcfgContainer [2024-11-08 19:40:40,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:40:40,743 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:40:40,743 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:40:40,758 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:40:40,758 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:40" (1/1) ... [2024-11-08 19:40:40,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:40:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 19:40:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 19:40:40,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:40:40,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:40,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:40,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:40:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:41,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:40:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:41,037 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:40:41,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:40:41 ImpRootNode [2024-11-08 19:40:41,064 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:40:41,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:40:41,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:40:41,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:40:41,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:40" (3/4) ... [2024-11-08 19:40:41,069 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:40:41,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:40:41,072 INFO L158 Benchmark]: Toolchain (without parser) took 1249.50ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 89.7MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 19:40:41,073 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:41,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.30ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 119.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:40:41,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.12ms. Allocated memory is still 172.0MB. Free memory was 119.1MB in the beginning and 117.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:41,075 INFO L158 Benchmark]: Boogie Preprocessor took 36.99ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:41,076 INFO L158 Benchmark]: RCFGBuilder took 440.46ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 103.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:40:41,077 INFO L158 Benchmark]: CodeCheck took 321.20ms. Allocated memory is still 172.0MB. Free memory was 102.7MB in the beginning and 90.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:40:41,078 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 172.0MB. Free memory was 90.1MB in the beginning and 89.7MB in the end (delta: 428.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:41,083 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, 12 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, 7 NumberOfCodeBlocks, 7 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 someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of someUnaryDOUBLEoperation at line 25. 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 FALSE !(d <= 20.) 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 FALSE !(Input <= 1.0) [L21] xn = 1.0/Input [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 TRUE \read(cond) VAL [_EPS=1/1000000, i=0] [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 0.35ms. Allocated memory is still 134.2MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.30ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 119.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.12ms. Allocated memory is still 172.0MB. Free memory was 119.1MB in the beginning and 117.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.99ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 115.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.46ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 103.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 321.20ms. Allocated memory is still 172.0MB. Free memory was 102.7MB in the beginning and 90.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 172.0MB. Free memory was 90.1MB in the beginning and 89.7MB in the end (delta: 428.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:40:41,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:40:43,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:40:43,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:40:43,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:40:43,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:40:43,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:40:43,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:40:43,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:40:43,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:40:43,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:40:43,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:40:43,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:40:43,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:40:43,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:40:43,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:40:43,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:40:43,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:40:43,971 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:40:43,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:40:43,972 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:40:43,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:40:43,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:40:43,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:40:43,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:40:43,974 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:40:43,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:40:43,975 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:43,976 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:40:43,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:40:43,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:43,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:40:43,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:40:43,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:40:43,977 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:40:43,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:43,978 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:40:43,978 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_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-11-08 19:40:44,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:40:44,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:40:44,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:40:44,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:40:44,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:40:44,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c Unable to find full path for "g++" [2024-11-08 19:40:46,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:40:46,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:40:46,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-08 19:40:46,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data/5d9ffd512/b38d8038431e404b8d6a082c1534f22f/FLAGac782d95d [2024-11-08 19:40:47,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/data/5d9ffd512/b38d8038431e404b8d6a082c1534f22f [2024-11-08 19:40:47,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:40:47,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:40:47,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:47,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:40:47,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:40:47,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164ac9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47, skipping insertion in model container [2024-11-08 19:40:47,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:40:47,294 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_dd3093b9-b3a4-408c-b850-f400249ec7c6/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-08 19:40:47,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:47,343 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:40:47,356 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_dd3093b9-b3a4-408c-b850-f400249ec7c6/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-08 19:40:47,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:47,390 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:40:47,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47 WrapperNode [2024-11-08 19:40:47,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:47,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:47,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:40:47,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:40:47,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,431 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-08 19:40:47,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:47,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:40:47,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:40:47,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:40:47,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:40:47,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:40:47,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:40:47,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:40:47,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:47" (1/1) ... [2024-11-08 19:40:47,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:47,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:40:47,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:40:47,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:40:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:40:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:40:47,672 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:40:47,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:41:17,317 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 19:41:17,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:41:17,405 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:41:17,405 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:41:17,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:17 BoogieIcfgContainer [2024-11-08 19:41:17,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:41:17,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:41:17,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:41:17,415 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:41:17,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:17" (1/1) ... [2024-11-08 19:41:17,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:41:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 19:41:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 19:41:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:41:17,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:17,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:41:17,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:41:17,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:41:17,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:41:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:22,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:41:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:41:32,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:41:32,812 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) [2024-11-08 19:41:32,827 INFO L158 Benchmark]: Toolchain (without parser) took 45783.57ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 37.7MB in the end (delta: 21.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-08 19:41:32,828 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:41:32,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.45ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 44.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:41:32,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.20ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 43.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:41:32,836 INFO L158 Benchmark]: Boogie Preprocessor took 34.12ms. Allocated memory is still 79.7MB. Free memory was 42.8MB in the beginning and 41.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:41:32,837 INFO L158 Benchmark]: RCFGBuilder took 29939.15ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 46.1MB in the end (delta: -4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:41:32,840 INFO L158 Benchmark]: CodeCheck took 15411.60ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 37.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:41:32,853 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 0.36ms. Allocated memory is still 58.7MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.45ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 44.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.20ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 43.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.12ms. Allocated memory is still 79.7MB. Free memory was 42.8MB in the beginning and 41.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 29939.15ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 46.1MB in the end (delta: -4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 15411.60ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 37.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:41:33,094 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 19:41:33,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3093b9-b3a4-408c-b850-f400249ec7c6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown