./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi --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 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:14,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:14,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:00:14,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:14,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:14,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:14,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:14,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:14,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:14,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:14,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:14,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:14,852 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:14,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:14,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:14,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:14,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:14,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:14,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:14,856 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:14,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:14,857 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:14,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:14,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:14,859 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:14,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:14,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:14,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:14,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:14,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:14,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:14,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:14,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:14,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 [2023-11-24 23:00:15,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:15,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:15,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:15,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:15,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:15,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-24 23:00:18,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:18,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:18,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-24 23:00:18,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data/11424f391/9486993d4bb44a27b88868533060f249/FLAG6dc904167 [2023-11-24 23:00:18,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data/11424f391/9486993d4bb44a27b88868533060f249 [2023-11-24 23:00:18,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:18,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:18,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:18,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:18,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:18,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:18" (1/1) ... [2023-11-24 23:00:18,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca551e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:18, skipping insertion in model container [2023-11-24 23:00:18,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:18" (1/1) ... [2023-11-24 23:00:18,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:18,886 WARN L240 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_ea4a2da2-f2dd-42a8-8f16-00d32094498f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-24 23:00:18,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:18,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:18,997 WARN L240 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_ea4a2da2-f2dd-42a8-8f16-00d32094498f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-24 23:00:19,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:19,061 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:19,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19 WrapperNode [2023-11-24 23:00:19,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:19,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:19,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:19,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:19,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,184 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-24 23:00:19,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:19,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:19,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:19,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:19,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:19,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:19,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:19,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:19,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:19" (1/1) ... [2023-11-24 23:00:19,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:19,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:19,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:00:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:00:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:19,463 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:19,465 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:19,945 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:20,186 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:20,186 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:00:20,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:20 BoogieIcfgContainer [2023-11-24 23:00:20,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:20,189 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:20,189 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:20,200 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:20,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:20" (1/1) ... [2023-11-24 23:00:20,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2023-11-24 23:00:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-11-24 23:00:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-24 23:00:20,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:20,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:20,887 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:21,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:21 ImpRootNode [2023-11-24 23:00:21,010 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:21,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:21,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:21,012 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:21,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:20" (3/4) ... [2023-11-24 23:00:21,017 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:21,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:21,021 INFO L158 Benchmark]: Toolchain (without parser) took 2378.58ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 73.5MB in the end (delta: 40.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-24 23:00:21,022 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:21,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.79ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 98.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:21,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.37ms. Allocated memory is still 148.9MB. Free memory was 98.1MB in the beginning and 92.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:00:21,025 INFO L158 Benchmark]: Boogie Preprocessor took 63.09ms. Allocated memory is still 148.9MB. Free memory was 92.6MB in the beginning and 89.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:21,026 INFO L158 Benchmark]: RCFGBuilder took 939.66ms. Allocated memory is still 148.9MB. Free memory was 89.9MB in the beginning and 107.7MB in the end (delta: -17.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:21,028 INFO L158 Benchmark]: CodeCheck took 821.39ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 74.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:21,028 INFO L158 Benchmark]: Witness Printer took 8.16ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 73.5MB in the end (delta: 555.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:21,038 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, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 83 NumberOfCodeBlocks, 83 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 someBinaryFLOATComparisonOperation at line 137, overapproximation of shiftLeft at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_6 = 4; [L24] unsigned char var_1_7 = 2; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 100; [L28] signed short int var_1_11 = 10; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 128; [L33] unsigned char var_1_16 = 128; [L34] unsigned char var_1_17 = 5; [L35] double var_1_18 = 3.6; [L36] double var_1_19 = 31.45; [L37] float var_1_20 = 50.25; [L38] float var_1_21 = 9.8; [L39] float var_1_22 = 4.65; [L40] float var_1_23 = 99.65; [L41] unsigned short int last_1_var_1_1 = 4; [L42] unsigned char last_1_var_1_6 = 4; [L43] signed short int last_1_var_1_11 = 10; [L44] signed long int last_1_var_1_15 = 128; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L131] last_1_var_1_1 = var_1_1 [L132] last_1_var_1_6 = var_1_6 [L133] last_1_var_1_11 = var_1_11 [L134] last_1_var_1_15 = var_1_15 [L144] RET updateLastVariables() [L145] CALL updateVariables() [L94] var_1_7 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L97] var_1_8 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L100] var_1_9 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0] [L102] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L103] var_1_10 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L106] var_1_12 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L109] var_1_13 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L112] var_1_14 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L115] var_1_16 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L118] var_1_17 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L121] var_1_19 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L123] var_1_21 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L125] var_1_22 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L127] var_1_23 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L145] RET updateVariables() [L146] CALL step() [L48] COND TRUE \read(var_1_12) [L49] COND FALSE !(\read(var_1_13)) [L56] var_1_11 = var_1_8 [L61] COND TRUE last_1_var_1_1 < 5 [L62] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) [L66] COND TRUE var_1_11 <= var_1_6 [L67] var_1_1 = ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))) [L69] COND FALSE !(\read(var_1_13)) [L82] var_1_20 = var_1_23 [L84] COND FALSE !(var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) [L87] var_1_15 = var_1_11 [L89] EXPR 200 << var_1_15 [L89] COND FALSE !(((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) [L146] RET step() [L147] CALL, EXPR property() [L137] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L137] EXPR 200 << var_1_15 [L137] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L137-L138] return ((((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_6 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_19=0, var_1_1=128, var_1_20=2, var_1_22=0, var_1_23=2, var_1_6=128, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=128, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=18/5, var_1_19=0, var_1_1=128, var_1_20=2, var_1_22=0, var_1_23=2, var_1_6=128, var_1_7=1, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.79ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 98.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.37ms. Allocated memory is still 148.9MB. Free memory was 98.1MB in the beginning and 92.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.09ms. Allocated memory is still 148.9MB. Free memory was 92.6MB in the beginning and 89.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 939.66ms. Allocated memory is still 148.9MB. Free memory was 89.9MB in the beginning and 107.7MB in the end (delta: -17.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * CodeCheck took 821.39ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 74.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 8.16ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 73.5MB in the end (delta: 555.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:21,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi --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 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:23,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:23,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:00:23,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:23,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:23,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:23,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:23,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:23,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:23,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:23,985 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:23,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:23,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:23,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:23,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:23,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:23,989 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:23,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:23,990 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:23,991 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:23,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:23,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:23,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:23,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:23,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:23,994 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:23,994 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:23,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:23,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:23,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:23,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:23,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:23,998 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:23,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:23,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:23,999 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:23,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:23,999 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 [2023-11-24 23:00:24,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:24,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:24,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:24,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:24,469 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:24,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-24 23:00:27,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:27,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:27,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-24 23:00:27,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data/dc692d53d/b743b7fad6774dbaa2073141d3328676/FLAG1a3e867e3 [2023-11-24 23:00:27,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/data/dc692d53d/b743b7fad6774dbaa2073141d3328676 [2023-11-24 23:00:27,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:27,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:27,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:27,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:27,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:27,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:27" (1/1) ... [2023-11-24 23:00:27,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608693ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:27, skipping insertion in model container [2023-11-24 23:00:27,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:27" (1/1) ... [2023-11-24 23:00:27,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:28,173 WARN L240 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_ea4a2da2-f2dd-42a8-8f16-00d32094498f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-24 23:00:28,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:28,278 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:28,299 WARN L240 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_ea4a2da2-f2dd-42a8-8f16-00d32094498f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-24 23:00:28,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:28,395 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:28,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28 WrapperNode [2023-11-24 23:00:28,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:28,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:28,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:28,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:28,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,481 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2023-11-24 23:00:28,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:28,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:28,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:28,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:28,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:28,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:28,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:28,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:28,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:28" (1/1) ... [2023-11-24 23:00:28,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:28,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:28,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:28,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:00:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:00:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:28,836 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:28,839 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:29,922 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:30,079 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:30,079 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:00:30,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:30 BoogieIcfgContainer [2023-11-24 23:00:30,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:30,082 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:30,083 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:30,094 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:30,095 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:30" (1/1) ... [2023-11-24 23:00:30,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2023-11-24 23:00:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-11-24 23:00:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-24 23:00:30,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:30,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:30,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:30,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:30,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4a2da2-f2dd-42a8-8f16-00d32094498f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:00:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:31,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:00:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:32,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:00:32,879 INFO L285 TraceCheckSpWp]: Computing forward predicates...