./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.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_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/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_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/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_6bcf1c82-1b8a-459c-a710-5d477985ac25/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 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:39:30,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:39:30,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:39:30,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:39:30,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:39:30,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:39:30,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:39:30,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:39:30,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:39:30,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:39:30,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:39:30,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:39:30,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:39:30,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:39:30,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:39:30,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:39:30,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:39:30,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:39:30,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:39:30,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:39:30,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:39:30,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:39:30,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:39:30,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:39:30,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:39:30,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:39:30,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:39:30,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:30,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:39:30,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:39:30,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:39:30,596 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:39:30,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:39:30,596 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_6bcf1c82-1b8a-459c-a710-5d477985ac25/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 -> 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e [2024-11-13 16:39:30,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:39:30,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:39:30,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:39:30,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:39:30,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:39:30,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i Unable to find full path for "g++" [2024-11-13 16:39:32,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:39:33,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:39:33,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i [2024-11-13 16:39:33,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data/c05144170/e395e314d2a64202a47694b477c4c688/FLAGc3ca61fc9 [2024-11-13 16:39:33,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data/c05144170/e395e314d2a64202a47694b477c4c688 [2024-11-13 16:39:33,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:39:33,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:39:33,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:33,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:39:33,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:39:33,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259a3cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33, skipping insertion in model container [2024-11-13 16:39:33,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:39:33,237 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_6bcf1c82-1b8a-459c-a710-5d477985ac25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2024-11-13 16:39:33,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:33,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:39:33,352 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_6bcf1c82-1b8a-459c-a710-5d477985ac25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2024-11-13 16:39:33,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:33,422 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:39:33,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33 WrapperNode [2024-11-13 16:39:33,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:33,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:33,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:39:33,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:39:33,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,494 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2024-11-13 16:39:33,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:33,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:39:33,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:39:33,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:39:33,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:39:33,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:39:33,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:39:33,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:39:33,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:33" (1/1) ... [2024-11-13 16:39:33,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:33,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:39:33,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:39:33,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:39:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:39:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:39:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:39:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:39:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:39:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:39:33,732 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:39:33,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:39:34,161 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 16:39:34,161 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:39:34,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:39:34,530 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:39:34,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:34 BoogieIcfgContainer [2024-11-13 16:39:34,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:39:34,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:39:34,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:39:34,542 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:39:34,542 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:34" (1/1) ... [2024-11-13 16:39:34,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:39:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2024-11-13 16:39:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2024-11-13 16:39:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 16:39:34,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:34,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:35,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:39:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:35,694 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:39:35,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:39:35 ImpRootNode [2024-11-13 16:39:35,832 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:39:35,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:39:35,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:39:35,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:39:35,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:34" (3/4) ... [2024-11-13 16:39:35,836 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:39:35,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:39:35,838 INFO L158 Benchmark]: Toolchain (without parser) took 2781.77ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 64.3MB in the end (delta: 28.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-13 16:39:35,839 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:35,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.42ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:39:35,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.47ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:35,840 INFO L158 Benchmark]: Boogie Preprocessor took 47.45ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:35,840 INFO L158 Benchmark]: RCFGBuilder took 987.73ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.4MB in the end (delta: 4.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-13 16:39:35,841 INFO L158 Benchmark]: CodeCheck took 1300.17ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 65.1MB in the end (delta: 4.9MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-13 16:39:35,841 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:35,844 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, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 106 NumberOfCodeBlocks, 106 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 shiftLeft at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseAnd at line 70, overapproximation of someBinaryArithmeticFLOAToperation at line 59, overapproximation of someUnaryFLOAToperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] signed char var_1_2 = -64; [L24] signed char var_1_3 = -1; [L25] signed long int var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] signed long int var_1_6 = 4; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] unsigned long int var_1_9 = 10; [L31] float var_1_10 = 99.5; [L32] float var_1_11 = 5.6; [L33] float var_1_12 = 255.5; [L34] float var_1_13 = 31.25; [L35] signed short int var_1_14 = 32; [L36] unsigned long int var_1_15 = 16; [L37] unsigned char var_1_16 = 1; [L38] unsigned char var_1_17 = 5; [L39] unsigned char var_1_18 = 50; [L40] unsigned char var_1_19 = 50; [L41] signed char var_1_20 = 1; [L42] signed char var_1_21 = -10; [L43] float var_1_22 = 0.5; [L44] signed char var_1_23 = 100; [L136] isInitial = 1 [L137] FCALL initially() [L138] COND TRUE 1 [L139] FCALL updateLastVariables() [L140] CALL updateVariables() [L84] var_1_2 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L86] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L87] var_1_3 = __VERIFIER_nondet_char() [L88] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L89] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L93] var_1_5 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L95] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L96] var_1_6 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=10] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_8=0, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=10] [L102] var_1_8 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L104] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L105] var_1_11 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L107] var_1_12 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L109] var_1_13 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L111] var_1_15 = __VERIFIER_nondet_ulong() [L112] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L113] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L114] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L115] var_1_17 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L117] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L118] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L121] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L122] var_1_19 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L124] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L125] var_1_21 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L127] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L140] RET updateVariables() [L141] CALL step() [L48] COND FALSE !((var_1_2 * var_1_3) == var_1_4) [L53] COND FALSE !((var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4)) [L58] COND TRUE (! var_1_1) || var_1_8 [L59] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L67] COND FALSE !(\read(var_1_1)) [L70] EXPR (var_1_9 / var_1_15) & var_1_6 [L70] COND FALSE !(((var_1_9 / var_1_15) & var_1_6) >= var_1_4) [L73] var_1_14 = -128 [L76] EXPR 256u << var_1_2 [L76] COND FALSE !((((((var_1_15) > (var_1_9)) ? (var_1_15) : (var_1_9))) / var_1_17) <= (256u << var_1_2)) [L79] var_1_20 = var_1_21 [L80] var_1_22 = var_1_12 [L81] var_1_23 = var_1_21 [L141] RET step() [L142] CALL, EXPR property() [L132] EXPR (((((var_1_2 * var_1_3) == var_1_4) ? (((var_1_4 > (var_1_5 - var_1_6)) && var_1_7) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4)) ? ((((((var_1_6) < (0)) ? (var_1_6) : (0))) <= (-5 + var_1_5)) ? (var_1_9 == ((unsigned long int) var_1_6)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_4 != var_1_6)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : ((((var_1_9 / var_1_15) & var_1_6) >= var_1_4) ? (var_1_14 == ((signed short int) var_1_3)) : (var_1_14 == ((signed short int) -128)))) [L132] EXPR ((((((var_1_2 * var_1_3) == var_1_4) ? (((var_1_4 > (var_1_5 - var_1_6)) && var_1_7) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4)) ? ((((((var_1_6) < (0)) ? (var_1_6) : (0))) <= (-5 + var_1_5)) ? (var_1_9 == ((unsigned long int) var_1_6)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_4 != var_1_6)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : ((((var_1_9 / var_1_15) & var_1_6) >= var_1_4) ? (var_1_14 == ((signed short int) var_1_3)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (var_1_9)) ? (var_1_15) : (var_1_9))) / var_1_17) <= (256u << var_1_2)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L132-L133] return (((((((((var_1_2 * var_1_3) == var_1_4) ? (((var_1_4 > (var_1_5 - var_1_6)) && var_1_7) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4)) ? ((((((var_1_6) < (0)) ? (var_1_6) : (0))) <= (-5 + var_1_5)) ? (var_1_9 == ((unsigned long int) var_1_6)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_4 != var_1_6)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : ((((var_1_9 / var_1_15) & var_1_6) >= var_1_4) ? (var_1_14 == ((signed short int) var_1_3)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (var_1_9)) ? (var_1_15) : (var_1_9))) / var_1_17) <= (256u << var_1_2)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=3, var_1_12=2, var_1_13=0, var_1_14=-128, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=2, var_1_23=-127, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [isInitial=1, var_1_10=3, var_1_12=2, var_1_13=0, var_1_14=-128, var_1_15=-4294967039, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=2, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=2, var_1_23=-127, var_1_2=0, var_1_3=-128, var_1_4=-128, var_1_5=-1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=10] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.42ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.47ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.45ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 987.73ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.4MB in the end (delta: 4.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * CodeCheck took 1300.17ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 65.1MB in the end (delta: 4.9MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 13.7kB). 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 16:39:35,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/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_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/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_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/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_6bcf1c82-1b8a-459c-a710-5d477985ac25/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 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:39:38,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:39:38,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:39:38,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:39:38,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:39:38,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:39:38,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:39:38,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:39:38,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:39:38,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:39:38,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:39:38,614 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:38,615 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:39:38,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:39:38,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:38,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:39:38,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:39:38,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:39:38,615 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:39:38,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:38,615 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:39:38,616 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_6bcf1c82-1b8a-459c-a710-5d477985ac25/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 -> 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e [2024-11-13 16:39:38,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:39:38,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:39:38,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:39:38,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:39:38,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:39:38,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i Unable to find full path for "g++" [2024-11-13 16:39:40,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:39:41,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:39:41,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i [2024-11-13 16:39:41,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data/63a7cf34c/af7fc536be66435c82110e9a0c650da8/FLAG50031bdcb [2024-11-13 16:39:41,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/data/63a7cf34c/af7fc536be66435c82110e9a0c650da8 [2024-11-13 16:39:41,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:39:41,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:39:41,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:41,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:39:41,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:39:41,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3739fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41, skipping insertion in model container [2024-11-13 16:39:41,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:39:41,470 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_6bcf1c82-1b8a-459c-a710-5d477985ac25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2024-11-13 16:39:41,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:41,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:39:41,597 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_6bcf1c82-1b8a-459c-a710-5d477985ac25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2024-11-13 16:39:41,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:41,673 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:39:41,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41 WrapperNode [2024-11-13 16:39:41,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:41,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:41,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:39:41,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:39:41,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,743 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-13 16:39:41,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:41,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:39:41,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:39:41,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:39:41,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:39:41,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:39:41,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:39:41,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:39:41,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:41" (1/1) ... [2024-11-13 16:39:41,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:41,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:39:41,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:39:41,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:39:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:39:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:39:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:39:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:39:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:39:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:39:41,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:39:41,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:39:42,510 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:39:42,510 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:39:42,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:39:42,704 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:39:42,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:42 BoogieIcfgContainer [2024-11-13 16:39:42,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:39:42,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:39:42,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:39:42,716 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:39:42,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:42" (1/1) ... [2024-11-13 16:39:42,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:39:42,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2024-11-13 16:39:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2024-11-13 16:39:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 16:39:42,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:42,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:39:42,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:39:42,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bcf1c82-1b8a-459c-a710-5d477985ac25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:39:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:43,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:39:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:44,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:39:44,151 INFO L278 TraceCheckSpWp]: Computing forward predicates...