./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.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_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/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_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/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_86d61fea-6a53-4557-879d-390478052f35/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 ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:08:43,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:08:43,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:08:43,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:08:43,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:08:43,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:08:43,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:08:43,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:08:43,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:08:43,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:08:43,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:08:43,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:08:43,976 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:08:43,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:08:43,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:08:43,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:08:43,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:08:43,978 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:08:43,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:08:43,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:08:43,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:43,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:08:43,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:08:43,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:08:43,979 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:08:43,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:08:43,979 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_86d61fea-6a53-4557-879d-390478052f35/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 -> ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 [2024-11-13 21:08:44,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:44,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:44,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:44,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:44,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:44,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i Unable to find full path for "g++" [2024-11-13 21:08:46,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:46,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:46,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2024-11-13 21:08:46,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data/dd95c9ee7/e8a4da1e09f64773aedccc6afe6f37fc/FLAG509d185fa [2024-11-13 21:08:46,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data/dd95c9ee7/e8a4da1e09f64773aedccc6afe6f37fc [2024-11-13 21:08:46,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:46,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:46,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:46,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:46,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:46,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:46,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24844e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46, skipping insertion in model container [2024-11-13 21:08:46,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:46,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:46,879 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_86d61fea-6a53-4557-879d-390478052f35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-11-13 21:08:46,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:46,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:46,948 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_86d61fea-6a53-4557-879d-390478052f35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-11-13 21:08:46,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:46,983 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:46,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46 WrapperNode [2024-11-13 21:08:46,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:46,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:46,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:46,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:46,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,027 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-13 21:08:47,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:47,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:47,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:47,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:47,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:47,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:47,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:47,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:47,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:46" (1/1) ... [2024-11-13 21:08:47,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:47,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:47,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:47,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:08:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:08:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:08:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:47,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:47,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:47,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:47,473 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:47,474 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:47,767 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:47,767 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:08:47,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:47 BoogieIcfgContainer [2024-11-13 21:08:47,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:47,769 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:47,769 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:47,779 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:47,779 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:47" (1/1) ... [2024-11-13 21:08:47,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 21:08:47,858 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 21:08:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:08:47,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:48,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:48,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:48,391 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:08:48,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:08:48 ImpRootNode [2024-11-13 21:08:48,462 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:08:48,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:08:48,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:08:48,464 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:08:48,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:47" (3/4) ... [2024-11-13 21:08:48,467 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:08:48,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:08:48,470 INFO L158 Benchmark]: Toolchain (without parser) took 1764.84ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 106.3MB in the end (delta: 12.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-13 21:08:48,470 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:48,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.10ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 106.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:48,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.51ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 104.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:48,472 INFO L158 Benchmark]: Boogie Preprocessor took 44.36ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.0MB in the end (delta: 948.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:48,472 INFO L158 Benchmark]: RCFGBuilder took 695.38ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 65.9MB in the end (delta: 37.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:08:48,473 INFO L158 Benchmark]: CodeCheck took 692.91ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 107.1MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:48,473 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:48,476 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, 23 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, 36 NumberOfCodeBlocks, 36 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 66, overapproximation of someBinaryFLOATComparisonOperation at line 38, overapproximation of bitwiseOr at line 39, overapproximation of someUnaryFLOAToperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_4 = 256.2; [L24] unsigned char var_1_5 = 128; [L25] unsigned char var_1_9 = 25; [L26] signed char var_1_10 = 4; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] signed char var_1_13 = -1; [L30] signed long int var_1_14 = 256; [L31] float var_1_15 = 127.2; [L32] signed char last_1_var_1_10 = 4; [L33] signed long int last_1_var_1_14 = 256; [L34] float last_1_var_1_15 = 127.2; [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] CALL updateLastVariables() [L81] last_1_var_1_10 = var_1_10 [L82] last_1_var_1_14 = var_1_14 [L83] last_1_var_1_15 = var_1_15 [L93] RET updateLastVariables() [L94] CALL updateVariables() [L65] var_1_4 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=25] [L67] var_1_9 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128] [L69] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L70] var_1_11 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L72] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L73] var_1_12 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L76] var_1_13 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=0] [L94] RET updateVariables() [L95] CALL step() [L38] COND TRUE last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f))) [L39] EXPR (4 + last_1_var_1_10) ^ last_1_var_1_14 [L39] COND TRUE ((4 + last_1_var_1_10) ^ last_1_var_1_14) >= last_1_var_1_10 [L40] var_1_5 = 0 [L47] var_1_14 = var_1_5 [L48] COND TRUE \read(var_1_11) [L49] COND TRUE ! var_1_12 [L50] var_1_10 = var_1_13 [L53] var_1_15 = var_1_4 [L54] COND TRUE var_1_15 <= (- var_1_15) [L55] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR ((var_1_15 <= (- var_1_15)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : ((var_1_15 > var_1_15) ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) ? ((((4 + last_1_var_1_10) ^ last_1_var_1_14) >= last_1_var_1_10) ? (var_1_5 == ((unsigned char) 0)) : (var_1_5 == ((unsigned char) var_1_9))) : (var_1_5 == ((unsigned char) var_1_9))) [L86-L87] return (((((var_1_15 <= (- var_1_15)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : ((var_1_15 > var_1_15) ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) ? ((((4 + last_1_var_1_10) ^ last_1_var_1_14) >= last_1_var_1_10) ? (var_1_5 == ((unsigned char) 0)) : (var_1_5 == ((unsigned char) var_1_9))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_11 ? ((! var_1_12) ? (var_1_10 == ((signed char) var_1_13)) : 1) : 1)) && (var_1_14 == ((signed long int) var_1_5))) && (var_1_15 == ((float) var_1_4)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_4=2, var_1_5=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_4=2, var_1_5=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.10ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 106.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.51ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 104.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.36ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.0MB in the end (delta: 948.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 695.38ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 65.9MB in the end (delta: 37.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 692.91ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 107.1MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 106.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:08:48,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/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_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/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_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/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_86d61fea-6a53-4557-879d-390478052f35/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 ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:08:51,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:08:51,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:08:51,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:08:51,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:08:51,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:08:51,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:08:51,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:08:51,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:08:51,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:08:51,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:08:51,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:08:51,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:08:51,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:08:51,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:08:51,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:08:51,272 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:08:51,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:08:51,272 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:08:51,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:08:51,273 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:08:51,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:08:51,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:08:51,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:08:51,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:08:51,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:08:51,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:51,273 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:08:51,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:08:51,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:51,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:08:51,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:08:51,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:08:51,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:08:51,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:51,275 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:08:51,275 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_86d61fea-6a53-4557-879d-390478052f35/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 -> ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 [2024-11-13 21:08:51,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:51,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:51,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:51,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:51,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:51,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i Unable to find full path for "g++" [2024-11-13 21:08:53,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:53,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:53,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2024-11-13 21:08:53,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data/292292e9a/350a114ac4124ea79df7a7ed6d7d77c4/FLAG128f6f55e [2024-11-13 21:08:53,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/data/292292e9a/350a114ac4124ea79df7a7ed6d7d77c4 [2024-11-13 21:08:53,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:53,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:53,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:53,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:53,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:53,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:53" (1/1) ... [2024-11-13 21:08:53,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca540ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:53, skipping insertion in model container [2024-11-13 21:08:53,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:53" (1/1) ... [2024-11-13 21:08:53,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:54,012 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_86d61fea-6a53-4557-879d-390478052f35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-11-13 21:08:54,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:54,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:54,073 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_86d61fea-6a53-4557-879d-390478052f35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-11-13 21:08:54,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:54,121 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:54,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54 WrapperNode [2024-11-13 21:08:54,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:54,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:54,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:54,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:54,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,161 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-13 21:08:54,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:54,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:54,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:54,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:54,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:54,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:54,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:54,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:54,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:54,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:54,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:08:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:08:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:08:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:54,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:54,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:54,704 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:54,704 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:54,888 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:54,888 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:08:54,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:54 BoogieIcfgContainer [2024-11-13 21:08:54,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:54,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:54,889 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:54,900 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:54,900 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:54" (1/1) ... [2024-11-13 21:08:54,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 21:08:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 21:08:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:08:54,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:54,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:54,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:54,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:54,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d61fea-6a53-4557-879d-390478052f35/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:08:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:55,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:55,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:08:55,636 INFO L278 TraceCheckSpWp]: Computing forward predicates...