./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm --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 c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:41:22,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:41:22,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:41:22,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:41:22,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:41:22,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:41:22,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:41:22,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:41:22,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:41:22,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:41:22,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:41:22,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:41:22,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:41:22,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:41:22,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:41:22,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:41:22,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:41:22,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:41:22,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:41:22,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:41:22,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:41:22,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:41:22,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:41:22,546 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:41:22,546 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:41:22,546 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:41:22,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:41:22,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:22,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:41:22,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:41:22,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:41:22,547 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:41:22,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:41:22,547 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_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm 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 -> c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb [2024-11-13 21:41:22,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:41:22,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:41:22,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:41:22,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:41:22,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:41:22,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i Unable to find full path for "g++" [2024-11-13 21:41:24,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:41:25,263 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:41:25,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2024-11-13 21:41:25,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data/ea02a383b/7371cf98ea5c4427ad73b68896e5efae/FLAG83b65bc55 [2024-11-13 21:41:25,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data/ea02a383b/7371cf98ea5c4427ad73b68896e5efae [2024-11-13 21:41:25,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:41:25,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:41:25,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:25,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:41:25,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:41:25,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30dd165e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25, skipping insertion in model container [2024-11-13 21:41:25,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:41:25,533 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_1628b003-87ec-404c-9ffa-35ca1a58542c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2024-11-13 21:41:25,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:25,657 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:41:25,668 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_1628b003-87ec-404c-9ffa-35ca1a58542c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2024-11-13 21:41:25,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:25,727 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:41:25,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25 WrapperNode [2024-11-13 21:41:25,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:25,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:25,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:41:25,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:41:25,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,788 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2024-11-13 21:41:25,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:25,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:41:25,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:41:25,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:41:25,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:41:25,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:41:25,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:41:25,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:41:25,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:25" (1/1) ... [2024-11-13 21:41:25,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:25,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:41:25,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:41:25,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:41:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:41:25,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:41:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:41:25,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:41:25,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:41:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:41:26,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:41:26,057 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:41:26,570 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:41:26,570 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:41:26,866 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:41:26,866 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:41:26,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:26 BoogieIcfgContainer [2024-11-13 21:41:26,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:41:26,868 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:41:26,868 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:41:26,878 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:41:26,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:26" (1/1) ... [2024-11-13 21:41:26,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:41:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-11-13 21:41:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-13 21:41:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:41:26,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:26,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:41:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:27,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:41:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:41:28,190 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:41:28,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:41:28 ImpRootNode [2024-11-13 21:41:28,319 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:41:28,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:41:28,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:41:28,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:41:28,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:26" (3/4) ... [2024-11-13 21:41:28,326 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:41:28,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:41:28,331 INFO L158 Benchmark]: Toolchain (without parser) took 3026.60ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 74.8MB in the end (delta: 16.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-13 21:41:28,332 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:28,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.80ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 77.1MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:41:28,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.69ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:28,333 INFO L158 Benchmark]: Boogie Preprocessor took 62.19ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:28,333 INFO L158 Benchmark]: RCFGBuilder took 1015.52ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 80.8MB in the end (delta: -8.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-13 21:41:28,334 INFO L158 Benchmark]: CodeCheck took 1451.07ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 74.8MB in the end (delta: 5.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-13 21:41:28,334 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:28,339 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 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 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: 19]: 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 shiftRight at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 116, overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 126. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 0; [L25] float var_1_7 = 0.6; [L26] unsigned long int var_1_8 = 32; [L27] unsigned long int var_1_9 = 32; [L28] float var_1_11 = 5.5; [L29] unsigned long int var_1_12 = 128; [L30] unsigned char var_1_13 = 16; [L31] unsigned char var_1_14 = 0; [L32] unsigned long int var_1_15 = 8; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 1.8; [L36] double var_1_19 = 4.5; [L37] double var_1_20 = 15.5; [L38] signed char var_1_21 = -5; [L39] signed char var_1_22 = 64; [L40] unsigned long int var_1_23 = 4; [L41] unsigned long int var_1_24 = 16; [L42] signed char var_1_25 = -100; [L43] float var_1_26 = 1000000.6; [L44] float var_1_27 = 4.5; [L45] double var_1_28 = 64.5; [L46] unsigned char var_1_29 = 0; [L47] unsigned long int last_1_var_1_1 = 1000; [L48] unsigned char last_1_var_1_5 = 1; [L49] unsigned long int last_1_var_1_12 = 128; [L50] unsigned char last_1_var_1_13 = 16; [L51] unsigned long int last_1_var_1_15 = 8; [L151] isInitial = 1 [L152] FCALL initially() [L153] COND TRUE 1 [L154] CALL updateLastVariables() [L140] last_1_var_1_1 = var_1_1 [L141] last_1_var_1_5 = var_1_5 [L142] last_1_var_1_12 = var_1_12 [L143] last_1_var_1_13 = var_1_13 [L144] last_1_var_1_15 = var_1_15 [L154] RET updateLastVariables() [L155] CALL updateVariables() [L104] var_1_6 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L106] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L107] var_1_8 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L109] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L110] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L111] var_1_9 = __VERIFIER_nondet_ulong() [L112] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32] [L113] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32] [L114] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L115] var_1_11 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L117] var_1_14 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L119] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L120] var_1_17 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L122] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L123] var_1_19 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L125] var_1_20 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=64, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L127] var_1_22 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L129] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=16, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L130] var_1_24 = __VERIFIER_nondet_ulong() [L131] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L132] CALL assume_abort_if_not(var_1_24 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_24 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_27=9/2, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L133] var_1_27 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L135] var_1_29 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_28=129/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_28=129/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L137] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_21=-5, var_1_22=0, var_1_23=4, var_1_24=257, var_1_25=-100, var_1_26=5000003/5, var_1_28=129/2, var_1_29=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=2] [L155] RET updateVariables() [L156] CALL step() [L55] var_1_21 = var_1_22 [L56] var_1_23 = var_1_24 [L57] var_1_25 = var_1_22 [L58] var_1_26 = var_1_27 [L59] EXPR var_1_24 >> var_1_22 [L59] EXPR 256u ^ (var_1_24 >> var_1_22) [L59] COND FALSE !((256u ^ (var_1_24 >> var_1_22)) != var_1_23) [L64] signed long int stepLocal_1 = last_1_var_1_13; [L65] signed long int stepLocal_0 = last_1_var_1_13; [L66] COND TRUE stepLocal_1 < ((- last_1_var_1_12) * 64) [L67] COND TRUE \read(last_1_var_1_5) [L68] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))) [L77] unsigned long int stepLocal_2 = last_1_var_1_15 + last_1_var_1_1; [L78] COND TRUE last_1_var_1_13 <= stepLocal_2 [L79] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6) [L83] unsigned char stepLocal_3 = var_1_5; [L84] COND FALSE !(stepLocal_3 || var_1_17) [L87] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L88] var_1_16 = (var_1_6 && var_1_17) [L89] COND FALSE !(\read(var_1_5)) [L92] COND FALSE !((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) [L97] var_1_7 = var_1_11 [L99] COND TRUE var_1_7 <= (- (32.8f + var_1_7)) [L100] var_1_12 = last_1_var_1_12 [L156] RET step() [L157] CALL, EXPR property() [L147-L148] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; [L157] RET, EXPR property() [L157] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=3, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_21=0, var_1_22=0, var_1_23=257, var_1_24=257, var_1_25=0, var_1_26=2, var_1_27=2, var_1_28=129/2, var_1_29=0, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=32, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=3, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_21=0, var_1_22=0, var_1_23=257, var_1_24=257, var_1_25=0, var_1_26=2, var_1_27=2, var_1_28=129/2, var_1_29=0, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=32, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.80ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 77.1MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.69ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.19ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1015.52ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 80.8MB in the end (delta: -8.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * CodeCheck took 1451.07ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 74.8MB in the end (delta: 5.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:41:28,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/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_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm --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 c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:41:31,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:41:31,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:41:31,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:41:31,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:41:31,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:41:31,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:41:31,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:41:31,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:41:31,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:41:31,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:41:31,307 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:41:31,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:41:31,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:41:31,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:41:31,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:41:31,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:41:31,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:41:31,308 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:31,308 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:41:31,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:41:31,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:31,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:41:31,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:41:31,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:41:31,309 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:41:31,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:31,309 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:41:31,309 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_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm 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 -> c4862b5ebb887702302f2980511014b313d3fbe17ee23cc3bf7542b446fc70eb [2024-11-13 21:41:31,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:41:31,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:41:31,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:41:31,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:41:31,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:41:31,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i Unable to find full path for "g++" [2024-11-13 21:41:33,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:41:33,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:41:33,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i [2024-11-13 21:41:33,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data/53310d80e/6d6919bfc1c94ce8b9db3e0db6886d26/FLAGfd0eca3a1 [2024-11-13 21:41:33,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/data/53310d80e/6d6919bfc1c94ce8b9db3e0db6886d26 [2024-11-13 21:41:33,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:41:33,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:41:33,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:33,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:41:33,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:41:33,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:33" (1/1) ... [2024-11-13 21:41:33,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713424b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:33, skipping insertion in model container [2024-11-13 21:41:33,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:33" (1/1) ... [2024-11-13 21:41:33,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:41:34,167 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_1628b003-87ec-404c-9ffa-35ca1a58542c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2024-11-13 21:41:34,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:34,300 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:41:34,313 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_1628b003-87ec-404c-9ffa-35ca1a58542c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-85.i[915,928] [2024-11-13 21:41:34,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:34,402 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:41:34,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34 WrapperNode [2024-11-13 21:41:34,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:34,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:34,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:41:34,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:41:34,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,475 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2024-11-13 21:41:34,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:34,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:41:34,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:41:34,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:41:34,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:41:34,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:41:34,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:41:34,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:41:34,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:34" (1/1) ... [2024-11-13 21:41:34,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:34,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:41:34,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:41:34,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:41:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:41:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:41:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:41:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:41:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:41:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:41:34,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:41:34,716 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:41:37,877 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 21:41:37,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:41:38,152 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:41:38,152 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:41:38,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:38 BoogieIcfgContainer [2024-11-13 21:41:38,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:41:38,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:41:38,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:41:38,171 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:41:38,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:38" (1/1) ... [2024-11-13 21:41:38,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:41:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-11-13 21:41:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-13 21:41:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:41:38,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:38,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:38,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:41:38,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:41:38,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1628b003-87ec-404c-9ffa-35ca1a58542c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:41:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:39,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:41:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:40,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:41:40,132 INFO L278 TraceCheckSpWp]: Computing forward predicates...