./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.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_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/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_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/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_c05197d0-0128-4795-9616-da85ce863cdf/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 aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:15,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:15,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:18:15,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:18:15,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:18:15,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:15,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:15,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:15,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:15,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:15,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:15,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:15,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:18:15,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:15,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:15,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:15,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:15,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:15,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:15,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:15,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:15,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:15,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:15,134 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:18:15,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:18:15,134 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_c05197d0-0128-4795-9616-da85ce863cdf/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 -> aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 [2024-11-13 22:18:15,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:15,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:15,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:15,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:15,538 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:15,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i Unable to find full path for "g++" [2024-11-13 22:18:17,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:18,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:18,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2024-11-13 22:18:18,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data/08ea48ab8/277854832d6c40c8aeec6908d9854388/FLAG6f7b7d4fc [2024-11-13 22:18:18,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data/08ea48ab8/277854832d6c40c8aeec6908d9854388 [2024-11-13 22:18:18,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:18,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:18,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:18,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:18,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:18,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e56cf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18, skipping insertion in model container [2024-11-13 22:18:18,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:18,270 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_c05197d0-0128-4795-9616-da85ce863cdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-13 22:18:18,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:18,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:18,371 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_c05197d0-0128-4795-9616-da85ce863cdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-13 22:18:18,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:18,422 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:18,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18 WrapperNode [2024-11-13 22:18:18,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:18,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:18,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:18,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:18,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,489 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-13 22:18:18,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:18,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:18,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:18,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:18,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:18,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:18,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:18,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:18,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18" (1/1) ... [2024-11-13 22:18:18,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:18,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:18,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:18,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:18:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:18:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:18:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:18,735 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:18,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:19,032 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:19,033 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:19,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:19,200 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:18:19,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:19 BoogieIcfgContainer [2024-11-13 22:18:19,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:19,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:19,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:19,217 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:19,218 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:19,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-11-13 22:18:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-11-13 22:18:19,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:18:19,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:19,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:18:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:19,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:19,870 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:19,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:19 ImpRootNode [2024-11-13 22:18:19,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:19,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:19,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:19,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:19,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:19" (3/4) ... [2024-11-13 22:18:19,972 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:19,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:19,973 INFO L158 Benchmark]: Toolchain (without parser) took 1909.13ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 57.2MB in the end (delta: 25.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-13 22:18:19,973 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:19,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.02ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 69.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:19,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.03ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 68.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:19,975 INFO L158 Benchmark]: Boogie Preprocessor took 65.02ms. Allocated memory is still 109.1MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:19,975 INFO L158 Benchmark]: RCFGBuilder took 641.68ms. Allocated memory is still 109.1MB. Free memory was 66.9MB in the beginning and 42.2MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:18:19,975 INFO L158 Benchmark]: CodeCheck took 762.10ms. Allocated memory is still 109.1MB. Free memory was 42.2MB in the beginning and 57.2MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:19,976 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 12.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:19,978 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] signed long int var_1_2 = -8; [L24] signed long int var_1_3 = 128; [L25] unsigned char var_1_5 = 0; [L26] float var_1_6 = 128.625; [L27] float var_1_7 = 2.625; [L28] float var_1_8 = 25.5; [L29] float var_1_9 = 4.75; [L30] float var_1_10 = 16.4; [L31] float var_1_11 = 0.2; [L32] float var_1_12 = 499.1; [L33] unsigned char var_1_13 = 0; [L34] signed long int var_1_14 = -8; [L35] unsigned char var_1_15 = 1; [L36] unsigned char last_1_var_1_13 = 0; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_13 = var_1_13 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_long() [L67] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L69] var_1_3 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L83] var_1_12 = __VERIFIER_nondet_float() [L84] 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, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L84] 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, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L85] var_1_14 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L87] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L88] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L91] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L105] RET updateVariables() [L106] CALL step() [L40] signed long int stepLocal_1 = var_1_3; [L41] signed long int stepLocal_0 = var_1_2; [L42] COND FALSE !(! (-50 < var_1_2)) [L51] COND FALSE !(var_1_2 > (var_1_3 / var_1_14)) [L58] var_1_13 = var_1_5 [L60] COND FALSE !(\read(var_1_13)) [L63] var_1_11 = (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f) [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return ((((! (-50 < var_1_2)) ? ((var_1_2 != var_1_3) ? ((var_1_3 <= var_1_2) ? (var_1_1 == ((unsigned char) (last_1_var_1_13 && var_1_5))) : 1) : (var_1_1 == ((unsigned char) var_1_5))) : 1) && (var_1_13 ? (var_1_6 == ((float) (((((((((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_10))))) : 1)) && (var_1_11 == ((float) (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f)))) && ((var_1_2 > (var_1_3 / var_1_14)) ? (var_1_1 ? (var_1_13 == ((unsigned char) (! var_1_15))) : (var_1_13 == ((unsigned char) 0))) : (var_1_13 == ((unsigned char) var_1_5))) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=0, var_1_10=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_1=0, var_1_2=-49, var_1_3=-49, var_1_5=0, var_1_6=1029/8] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.02ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 69.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.03ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 68.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.02ms. Allocated memory is still 109.1MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 641.68ms. Allocated memory is still 109.1MB. Free memory was 66.9MB in the beginning and 42.2MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 762.10ms. Allocated memory is still 109.1MB. Free memory was 42.2MB in the beginning and 57.2MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 12.1kB). 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 22:18:20,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/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_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/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_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/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_c05197d0-0128-4795-9616-da85ce863cdf/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 aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:22,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:22,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:18:23,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:23,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:23,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:23,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:23,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:23,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:23,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:23,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:18:23,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:18:23,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:18:23,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:23,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:23,021 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:23,021 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:23,021 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:23,021 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:23,021 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:18:23,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:23,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:23,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:23,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:23,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:23,022 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:18:23,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:23,022 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:18:23,022 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_c05197d0-0128-4795-9616-da85ce863cdf/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 -> aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 [2024-11-13 22:18:23,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:23,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:23,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:23,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:23,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:23,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i Unable to find full path for "g++" [2024-11-13 22:18:25,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:25,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:25,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2024-11-13 22:18:25,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data/02fa4f8cf/23ea852c506a4f2c813514af764057ce/FLAG9a9ea5cab [2024-11-13 22:18:25,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/data/02fa4f8cf/23ea852c506a4f2c813514af764057ce [2024-11-13 22:18:25,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:25,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:25,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:25,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:25,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:25,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:25,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c353f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25, skipping insertion in model container [2024-11-13 22:18:25,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:25,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:25,806 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_c05197d0-0128-4795-9616-da85ce863cdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-13 22:18:25,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:25,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:25,920 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_c05197d0-0128-4795-9616-da85ce863cdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-13 22:18:25,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:25,979 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:25,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25 WrapperNode [2024-11-13 22:18:25,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:25,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:25,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:25,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:25,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,029 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-13 22:18:26,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:26,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:26,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:26,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:26,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:26,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:26,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:26,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:26,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:25" (1/1) ... [2024-11-13 22:18:26,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:26,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:26,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:26,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:18:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:18:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:18:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:26,228 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:26,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:26,801 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:26,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:26,979 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:26,979 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:18:26,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:26 BoogieIcfgContainer [2024-11-13 22:18:26,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:26,980 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:26,981 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:26,991 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:26,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:26" (1/1) ... [2024-11-13 22:18:27,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-11-13 22:18:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-11-13 22:18:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:18:27,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:27,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:27,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:18:27,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:18:27,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05197d0-0128-4795-9616-da85ce863cdf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:18:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:28,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:18:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:28,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:18:28,160 INFO L278 TraceCheckSpWp]: Computing forward predicates...