./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float12.c --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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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 b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:31:11,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:31:11,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:31:11,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:31:11,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:31:11,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:31:11,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:31:11,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:31:11,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:31:11,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:31:11,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:31:11,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:31:11,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:31:11,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:31:11,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:31:11,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:31:11,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:31:11,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:31:11,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:31:11,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:31:11,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:31:11,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:31:11,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:31:11,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:31:11,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:31:11,486 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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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 -> b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba [2024-11-13 22:31:11,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:31:11,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:31:11,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:31:11,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:31:11,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:31:11,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float12.c Unable to find full path for "g++" [2024-11-13 22:31:13,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:31:14,094 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:31:14,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/sv-benchmarks/c/floats-cbmc-regression/float12.c [2024-11-13 22:31:14,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data/405a07c68/311dafe72c6c45309e8c612a223d7b37/FLAG26aa9a50d [2024-11-13 22:31:14,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data/405a07c68/311dafe72c6c45309e8c612a223d7b37 [2024-11-13 22:31:14,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:31:14,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:31:14,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:31:14,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:31:14,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:31:14,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27119188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14, skipping insertion in model container [2024-11-13 22:31:14,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:31:14,351 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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-13 22:31:14,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:31:14,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:31:14,383 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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-13 22:31:14,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:31:14,400 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:31:14,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14 WrapperNode [2024-11-13 22:31:14,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:31:14,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:31:14,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:31:14,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:31:14,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,436 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-13 22:31:14,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:31:14,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:31:14,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:31:14,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:31:14,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:31:14,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:31:14,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:31:14,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:31:14,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:31:14,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:31:14,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:31:14,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:31:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:31:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:31:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:31:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:31:14,611 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:31:14,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:31:14,692 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 22:31:14,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:31:14,711 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:31:14,711 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:31:14,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:14 BoogieIcfgContainer [2024-11-13 22:31:14,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:31:14,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:31:14,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:31:14,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:31:14,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:14" (1/1) ... [2024-11-13 22:31:14,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:31:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:31:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:31:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:31:14,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:14,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:14,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:31:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:14,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:31:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:14,957 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:31:14,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:31:14 ImpRootNode [2024-11-13 22:31:14,979 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:31:14,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:31:14,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:31:14,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:31:14,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:14" (3/4) ... [2024-11-13 22:31:14,987 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:31:14,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:31:14,989 INFO L158 Benchmark]: Toolchain (without parser) took 853.57ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 62.6MB in the end (delta: 30.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:31:14,989 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 75.4MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:14,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.52ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:14,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.49ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.7MB in the end (delta: 872.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:14,990 INFO L158 Benchmark]: Boogie Preprocessor took 18.22ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 588.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:14,991 INFO L158 Benchmark]: RCFGBuilder took 256.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 72.3MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:14,991 INFO L158 Benchmark]: CodeCheck took 265.18ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 62.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:14,991 INFO L158 Benchmark]: Witness Printer took 7.27ms. Allocated memory is still 117.4MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:14,997 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 15]: 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 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L8] float f = __VERIFIER_nondet_float(); [L9] double d; [L10] unsigned char x = __VERIFIER_nondet_uchar(); [L12] d=f [L14] COND TRUE f==x [L15] COND TRUE !(d==x) [L15] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 75.4MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.52ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.49ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.7MB in the end (delta: 872.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.22ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 588.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 72.3MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 265.18ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 62.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.27ms. Allocated memory is still 117.4MB. Free memory is still 62.6MB. 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 22:31:15,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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 b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:31:17,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:31:18,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:31:18,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:31:18,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:31:18,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:31:18,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:31:18,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:31:18,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:31:18,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:31:18,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:31:18,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:31:18,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:31:18,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:31:18,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:31:18,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:31:18,144 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:31:18,144 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:31:18,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:31:18,144 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:31:18,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:31:18,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:31:18,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:31:18,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:31:18,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:31:18,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:31:18,147 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:31:18,147 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:31:18,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:31:18,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:31:18,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:31:18,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:31:18,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:31:18,148 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:31:18,149 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:31:18,149 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:31:18,150 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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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 -> b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba [2024-11-13 22:31:18,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:31:18,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:31:18,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:31:18,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:31:18,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:31:18,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float12.c Unable to find full path for "g++" [2024-11-13 22:31:20,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:31:21,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:31:21,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/sv-benchmarks/c/floats-cbmc-regression/float12.c [2024-11-13 22:31:21,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data/b41d13ee7/5b8ff6b64d35442dbd05da9f320cda5a/FLAGdf6449364 [2024-11-13 22:31:21,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/data/b41d13ee7/5b8ff6b64d35442dbd05da9f320cda5a [2024-11-13 22:31:21,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:31:21,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:31:21,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:31:21,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:31:21,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:31:21,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544948a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21, skipping insertion in model container [2024-11-13 22:31:21,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:31:21,340 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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-13 22:31:21,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:31:21,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:31:21,380 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_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-13 22:31:21,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:31:21,406 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:31:21,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21 WrapperNode [2024-11-13 22:31:21,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:31:21,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:31:21,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:31:21,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:31:21,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,450 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-13 22:31:21,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:31:21,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:31:21,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:31:21,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:31:21,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:31:21,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:31:21,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:31:21,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:31:21,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:21" (1/1) ... [2024-11-13 22:31:21,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:31:21,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:31:21,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:31:21,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:31:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:31:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:31:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:31:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:31:21,690 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:31:21,693 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:31:21,972 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:31:21,974 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:31:22,026 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:31:22,027 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:31:22,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:22 BoogieIcfgContainer [2024-11-13 22:31:22,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:31:22,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:31:22,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:31:22,039 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:31:22,039 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:22" (1/1) ... [2024-11-13 22:31:22,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:31:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:31:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:31:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:31:22,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:22,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:31:22,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:31:22,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:31:22,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:31:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:22,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:31:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:22,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:31:22,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:31:26,489 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:31:26,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:31:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2024-11-13 22:31:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2024-11-13 22:31:33,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:31:33,028 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 22:31:33,035 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:31:33,911 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:31:33,911 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-11-13 22:31:33,912 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_main_~f~0#1_10| (_ FloatingPoint 8 24))) (and (= |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) currentRoundingMode |v_ULTIMATE.start_main_~f~0#1_10|)) (fp.eq |v_ULTIMATE.start_main_~f~0#1_10| ((_ to_fp 8 24) currentRoundingMode ((_ zero_extend 24) |ULTIMATE.start_main_~x~0#1|))))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-13 22:31:33,912 INFO L77 FloydHoareUtils]: At program point L14(lines 14 15) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~d~0#1|) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-13 22:31:33,912 INFO L75 FloydHoareUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2024-11-13 22:31:33,912 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:31:33,912 INFO L77 FloydHoareUtils]: At program point L6(lines 6 16) the Hoare annotation is: true [2024-11-13 22:31:33,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:31:33 ImpRootNode [2024-11-13 22:31:33,917 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:31:33,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:31:33,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:31:33,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:31:33,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:22" (3/4) ... [2024-11-13 22:31:33,922 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:31:33,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 22:31:33,929 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:31:33,929 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:31:33,929 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:31:34,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:31:34,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:31:34,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:31:34,029 INFO L158 Benchmark]: Toolchain (without parser) took 12899.73ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 56.8MB in the end (delta: 4.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-13 22:31:34,029 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:34,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.82ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 49.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:34,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.18ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 48.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:34,030 INFO L158 Benchmark]: Boogie Preprocessor took 48.10ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 47.6MB in the end (delta: 917.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:34,031 INFO L158 Benchmark]: RCFGBuilder took 527.59ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 38.4MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:31:34,031 INFO L158 Benchmark]: CodeCheck took 11889.12ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 23.3MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:34,033 INFO L158 Benchmark]: Witness Printer took 107.60ms. Allocated memory is still 83.9MB. Free memory was 23.3MB in the beginning and 56.8MB in the end (delta: -33.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:34,036 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 27 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.82ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 49.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.18ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 48.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.10ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 47.6MB in the end (delta: 917.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.59ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 38.4MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11889.12ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 23.3MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 107.60ms. Allocated memory is still 83.9MB. Free memory was 23.3MB in the beginning and 56.8MB in the end (delta: -33.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:31:34,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3229e7b8-cc24-4fc2-9328-a5feb04e6feb/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 Writing output log to file Ultimate.log Result: TRUE