./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/arctan_Pade.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_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/arctan_Pade.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b --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 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:21:27,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:21:27,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:21:27,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:21:27,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:21:27,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:21:27,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:21:27,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:21:27,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:21:27,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:21:27,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:21:27,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:21:27,796 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:21:27,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:21:27,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:21:27,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:21:27,797 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:21:27,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:21:27,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:21:27,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:21:27,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:21:27,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:21:27,798 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:21:27,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:21:27,798 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_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b 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 -> 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 [2024-12-05 22:21:28,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:21:28,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:21:28,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:21:28,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:21:28,068 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:21:28,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/arctan_Pade.c [2024-12-05 22:21:31,342 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/531f3b3a2/1a1115067c1a42978898518e21b29c7f/FLAGafca20104 [2024-12-05 22:21:31,610 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:21:31,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/sv-benchmarks/c/float-benchs/arctan_Pade.c [2024-12-05 22:21:31,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/531f3b3a2/1a1115067c1a42978898518e21b29c7f/FLAGafca20104 [2024-12-05 22:21:31,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/531f3b3a2/1a1115067c1a42978898518e21b29c7f [2024-12-05 22:21:31,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:21:31,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:21:31,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:21:31,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:21:31,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:21:31,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfd029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31, skipping insertion in model container [2024-12-05 22:21:31,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:21:31,801 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_f1f84586-3341-4464-9a48-14fccde69dd9/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2024-12-05 22:21:31,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:21:31,828 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:21:31,838 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_f1f84586-3341-4464-9a48-14fccde69dd9/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2024-12-05 22:21:31,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:21:31,858 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:21:31,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31 WrapperNode [2024-12-05 22:21:31,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:21:31,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:21:31,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:21:31,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:21:31,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,890 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2024-12-05 22:21:31,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:21:31,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:21:31,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:21:31,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:21:31,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:21:31,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:21:31,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:21:31,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:21:31,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:31" (1/1) ... [2024-12-05 22:21:31,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:21:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:21:31,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:21:31,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:21:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:21:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2024-12-05 22:21:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2024-12-05 22:21:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:21:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:21:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:21:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2024-12-05 22:21:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2024-12-05 22:21:32,044 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:21:32,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:21:32,209 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-05 22:21:32,209 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:21:32,250 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:21:32,251 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:21:32,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:21:32 BoogieIcfgContainer [2024-12-05 22:21:32,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:21:32,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:21:32,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:21:32,263 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:21:32,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:21:32" (1/1) ... [2024-12-05 22:21:32,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:21:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-12-05 22:21:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-12-05 22:21:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:21:32,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:21:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:32,431 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:21:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:32,507 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:21:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:32,540 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:21:32,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:21:32 ImpRootNode [2024-12-05 22:21:32,567 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:21:32,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:21:32,568 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:21:32,568 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:21:32,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:21:32" (3/4) ... [2024-12-05 22:21:32,572 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:21:32,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:21:32,574 INFO L158 Benchmark]: Toolchain (without parser) took 934.10ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 54.1MB in the end (delta: 39.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:21:32,575 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:21:32,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.79ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:21:32,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.78ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:21:32,576 INFO L158 Benchmark]: Boogie Preprocessor took 20.78ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.0MB in the end (delta: 717.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:21:32,577 INFO L158 Benchmark]: RCFGBuilder took 338.41ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 67.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:21:32,577 INFO L158 Benchmark]: CodeCheck took 315.06ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 54.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:21:32,578 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 167.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:21:32,581 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 3 procedures, 22 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, 15 NumberOfCodeBlocks, 15 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: 17]: 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 24, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of someUnaryDOUBLEoperation at line 41, overapproximation of someUnaryDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 50. Possible FailurePath: [L20] const double Pi=3.141592653589793238; [L47] double a, r; [L49] a = __VERIFIER_nondet_double() [L50] CALL assume_abort_if_not(a >= -1.79e308 && a <= 1.79e308) [L15] COND FALSE !(!cond) [L50] RET assume_abort_if_not(a >= -1.79e308 && a <= 1.79e308) [L52] CALL, EXPR ARCTAN(a) [L41] COND TRUE x < 0 VAL [Pi=1570796326794896619/500000000000000000] [L41] CALL, EXPR ARCTAN_POS(-x) VAL [Pi=1570796326794896619/500000000000000000] [L35] COND TRUE x > 1. VAL [Pi=1570796326794896619/500000000000000000, \old(x)=2, x=2] [L35] CALL, EXPR ARCTAN_0_1(1. / x) VAL [Pi=1570796326794896619/500000000000000000] [L30] CALL, EXPR PADE_2_2(x) [L24] double x_2 = x*x; [L25] return 1. - x_2 / (3. + 9./5.*x_2); [L30] RET, EXPR PADE_2_2(x) [L30] return x*PADE_2_2(x); [L35] RET, EXPR ARCTAN_0_1(1. / x) VAL [Pi=1570796326794896619/500000000000000000, \old(x)=2, x=2] [L35] return Pi / 2. - ARCTAN_0_1(1. / x); [L41] RET, EXPR ARCTAN_POS(-x) VAL [Pi=1570796326794896619/500000000000000000] [L41] return -ARCTAN_POS(-x); [L52] RET, EXPR ARCTAN(a) [L52] r = ARCTAN(a) [L54] CALL __VERIFIER_assert(r >= -1.571 && r <= 1.571) [L17] COND TRUE !(cond) VAL [Pi=1570796326794896619/500000000000000000] [L17] reach_error() VAL [Pi=1570796326794896619/500000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.79ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.78ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.78ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.0MB in the end (delta: 717.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.41ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 67.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 315.06ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 54.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 167.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:21:32,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/arctan_Pade.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b --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 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:21:35,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:21:35,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:21:35,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:21:35,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:21:35,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:21:35,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:21:35,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:21:35,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:21:35,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:21:35,148 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:21:35,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:21:35,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:21:35,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:21:35,150 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:21:35,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:21:35,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:21:35,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:21:35,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:21:35,150 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:35,150 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:21:35,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:21:35,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:21:35,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:21:35,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:21:35,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:21:35,151 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:21:35,151 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:35,151 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:21:35,151 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_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b 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 -> 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 [2024-12-05 22:21:35,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:21:35,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:21:35,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:21:35,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:21:35,446 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:21:35,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/arctan_Pade.c [2024-12-05 22:21:38,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/b6716e506/e873f97bde394850b81ee5a0b002003f/FLAG7c8c785cd [2024-12-05 22:21:38,948 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:21:38,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/sv-benchmarks/c/float-benchs/arctan_Pade.c [2024-12-05 22:21:38,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/b6716e506/e873f97bde394850b81ee5a0b002003f/FLAG7c8c785cd [2024-12-05 22:21:38,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/data/b6716e506/e873f97bde394850b81ee5a0b002003f [2024-12-05 22:21:38,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:21:38,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:21:38,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:21:38,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:21:38,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:21:38,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:21:38" (1/1) ... [2024-12-05 22:21:38,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50074a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:38, skipping insertion in model container [2024-12-05 22:21:38,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:21:38" (1/1) ... [2024-12-05 22:21:39,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:21:39,141 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_f1f84586-3341-4464-9a48-14fccde69dd9/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2024-12-05 22:21:39,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:21:39,174 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:21:39,185 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_f1f84586-3341-4464-9a48-14fccde69dd9/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2024-12-05 22:21:39,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:21:39,209 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:21:39,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39 WrapperNode [2024-12-05 22:21:39,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:21:39,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:21:39,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:21:39,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:21:39,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,244 INFO L138 Inliner]: procedures = 19, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 52 [2024-12-05 22:21:39,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:21:39,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:21:39,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:21:39,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:21:39,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,263 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:21:39,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:21:39,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:21:39,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:21:39,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:39" (1/1) ... [2024-12-05 22:21:39,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:21:39,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:21:39,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:21:39,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:21:39,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:21:39,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:21:39,350 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2024-12-05 22:21:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2024-12-05 22:21:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:21:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:21:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2024-12-05 22:21:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2024-12-05 22:21:39,424 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:21:39,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:21:55,426 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-05 22:21:55,427 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:21:55,489 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:21:55,489 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:21:55,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:21:55 BoogieIcfgContainer [2024-12-05 22:21:55,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:21:55,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:21:55,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:21:55,503 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:21:55,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:21:55" (1/1) ... [2024-12-05 22:21:55,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:21:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-12-05 22:21:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-12-05 22:21:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:21:55,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:55,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:55,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:55,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:55,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:22:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:03,734 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:22:14,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:22:14,880 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) [2024-12-05 22:22:14,883 INFO L158 Benchmark]: Toolchain (without parser) took 35901.82ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 63.1MB in the end (delta: 7.0MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-05 22:22:14,884 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:14,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.24ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:22:14,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.00ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 56.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:14,885 INFO L158 Benchmark]: Boogie Preprocessor took 27.49ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:22:14,885 INFO L158 Benchmark]: RCFGBuilder took 16216.18ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 42.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:22:14,886 INFO L158 Benchmark]: CodeCheck took 19392.15ms. Allocated memory is still 92.3MB. Free memory was 42.2MB in the beginning and 63.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:14,888 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 0.42ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.24ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.00ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 56.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.49ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 16216.18ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 42.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 19392.15ms. Allocated memory is still 92.3MB. Free memory was 42.2MB in the beginning and 63.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:22:15,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f84586-3341-4464-9a48-14fccde69dd9/bin/ukojak-verify-CZk0znPC7b/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