./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:03:57,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:03:57,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:03:57,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:03:57,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:03:57,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:03:57,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:03:57,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:03:57,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:03:57,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:03:57,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:03:57,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:03:57,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:03:57,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:03:57,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:03:57,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:03:57,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:03:57,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:03:57,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:03:57,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:03:57,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:03:57,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:03:57,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:03:57,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:03:57,430 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:03:57,430 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:03:57,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:03:57,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:03:57,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:03:57,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:03:57,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:03:57,432 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:03:57,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:03:57,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba [2024-11-09 00:03:57,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:03:57,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:03:57,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:03:57,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:03:57,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:03:57,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float12.c Unable to find full path for "g++" [2024-11-09 00:04:00,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:04:00,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:04:00,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/sv-benchmarks/c/floats-cbmc-regression/float12.c [2024-11-09 00:04:00,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data/916a0912c/31dd03548226478faae3480a5400bbcf/FLAG9e65d5227 [2024-11-09 00:04:00,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data/916a0912c/31dd03548226478faae3480a5400bbcf [2024-11-09 00:04:00,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:04:00,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:04:00,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:00,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:04:00,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:04:00,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1308e4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00, skipping insertion in model container [2024-11-09 00:04:00,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:04:00,499 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_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-09 00:04:00,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:00,519 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:04:00,531 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_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-09 00:04:00,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:00,546 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:04:00,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00 WrapperNode [2024-11-09 00:04:00,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:00,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:00,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:04:00,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:04:00,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,578 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-09 00:04:00,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:00,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:04:00,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:04:00,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:04:00,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:04:00,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:04:00,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:04:00,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:04:00,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:04:00,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:04:00,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:04:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:04:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:04:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:04:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:04:00,786 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:04:00,791 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:04:00,938 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-09 00:04:00,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:04:00,971 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:04:00,971 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:04:00,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:00 BoogieIcfgContainer [2024-11-09 00:04:00,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:04:00,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:04:00,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:04:00,986 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:04:00,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:00" (1/1) ... [2024-11-09 00:04:00,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:04:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:04:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:04:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:04:01,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:01,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:04:01,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:04:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:04:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:04:01,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:04:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:04:01,315 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:04:01,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:04:01 ImpRootNode [2024-11-09 00:04:01,351 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:04:01,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:04:01,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:04:01,355 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:04:01,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:00" (3/4) ... [2024-11-09 00:04:01,360 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:04:01,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:04:01,364 INFO L158 Benchmark]: Toolchain (without parser) took 1098.92ms. Allocated memory is still 174.1MB. Free memory was 135.4MB in the beginning and 100.5MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:04:01,365 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 174.1MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:01,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.08ms. Allocated memory is still 174.1MB. Free memory was 135.4MB in the beginning and 123.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:04:01,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.27ms. Allocated memory is still 174.1MB. Free memory was 123.3MB in the beginning and 122.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:04:01,370 INFO L158 Benchmark]: Boogie Preprocessor took 22.41ms. Allocated memory is still 174.1MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 929.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:01,371 INFO L158 Benchmark]: RCFGBuilder took 369.52ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 111.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:04:01,373 INFO L158 Benchmark]: CodeCheck took 378.24ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 101.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:04:01,374 INFO L158 Benchmark]: Witness Printer took 9.56ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 100.5MB in the end (delta: 530.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:01,380 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: 0.3s, 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 0.26ms. Allocated memory is still 174.1MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.08ms. Allocated memory is still 174.1MB. Free memory was 135.4MB in the beginning and 123.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.27ms. Allocated memory is still 174.1MB. Free memory was 123.3MB in the beginning and 122.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.41ms. Allocated memory is still 174.1MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 929.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.52ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 111.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 378.24ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 101.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 9.56ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 100.5MB in the end (delta: 530.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:04:01,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:04:04,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:04:04,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:04:04,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:04:04,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:04:04,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:04:04,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:04:04,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:04:04,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:04:04,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:04:04,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:04:04,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:04:04,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:04:04,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:04:04,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:04:04,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:04:04,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:04:04,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:04:04,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:04:04,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:04:04,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:04:04,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:04:04,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:04:04,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:04:04,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:04:04,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:04:04,267 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:04,267 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:04:04,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:04:04,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:04,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:04:04,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:04:04,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:04:04,271 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:04:04,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:04,272 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:04:04,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba [2024-11-09 00:04:04,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:04:04,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:04:04,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:04:04,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:04:04,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:04:04,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float12.c Unable to find full path for "g++" [2024-11-09 00:04:06,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:04:07,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:04:07,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/sv-benchmarks/c/floats-cbmc-regression/float12.c [2024-11-09 00:04:07,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data/1dc3948f4/00dbdce88dbf4168a902d6a5495d4105/FLAGf7512c2b3 [2024-11-09 00:04:07,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/data/1dc3948f4/00dbdce88dbf4168a902d6a5495d4105 [2024-11-09 00:04:07,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:04:07,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:04:07,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:07,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:04:07,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:04:07,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26642045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07, skipping insertion in model container [2024-11-09 00:04:07,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:04:07,366 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_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-09 00:04:07,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:07,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:04:07,408 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_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2024-11-09 00:04:07,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:07,434 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:04:07,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07 WrapperNode [2024-11-09 00:04:07,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:07,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:07,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:04:07,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:04:07,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,477 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-09 00:04:07,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:07,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:04:07,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:04:07,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:04:07,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:04:07,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:04:07,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:04:07,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:04:07,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:07" (1/1) ... [2024-11-09 00:04:07,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:07,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:04:07,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:04:07,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:04:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:04:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:04:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:04:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:04:07,697 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:04:07,700 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:04:08,026 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 00:04:08,026 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:04:08,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:04:08,085 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:04:08,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:08 BoogieIcfgContainer [2024-11-09 00:04:08,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:04:08,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:04:08,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:04:08,100 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:04:08,100 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:08" (1/1) ... [2024-11-09 00:04:08,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:04:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:04:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:04:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:04:08,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:08,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:08,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:08,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:04:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:08,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:08,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:04:08,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:11,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:04:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:17,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2024-11-09 00:04:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2024-11-09 00:04:17,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:04:17,520 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-09 00:04:17,528 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:04:18,234 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:04:18,235 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-11-09 00:04:18,235 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)) [2024-11-09 00:04:18,236 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)) [2024-11-09 00:04:18,236 INFO L75 FloydHoareUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2024-11-09 00:04:18,236 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:04:18,236 INFO L77 FloydHoareUtils]: At program point L6(lines 6 16) the Hoare annotation is: true [2024-11-09 00:04:18,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:04:18 ImpRootNode [2024-11-09 00:04:18,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:04:18,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:04:18,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:04:18,243 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:04:18,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:08" (3/4) ... [2024-11-09 00:04:18,246 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:04:18,254 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 00:04:18,255 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:04:18,255 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:04:18,255 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:04:18,341 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:04:18,341 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:04:18,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:04:18,343 INFO L158 Benchmark]: Toolchain (without parser) took 11195.72ms. Allocated memory is still 79.7MB. Free memory was 59.4MB in the beginning and 36.7MB in the end (delta: 22.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-09 00:04:18,343 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:18,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.56ms. Allocated memory is still 79.7MB. Free memory was 59.4MB in the beginning and 46.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:04:18,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 79.7MB. Free memory was 46.8MB in the beginning and 45.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:04:18,345 INFO L158 Benchmark]: Boogie Preprocessor took 51.64ms. Allocated memory is still 79.7MB. Free memory was 45.2MB in the beginning and 44.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:18,346 INFO L158 Benchmark]: RCFGBuilder took 555.47ms. Allocated memory is still 79.7MB. Free memory was 44.0MB in the beginning and 57.6MB in the end (delta: -13.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-09 00:04:18,346 INFO L158 Benchmark]: CodeCheck took 10155.03ms. Allocated memory is still 79.7MB. Free memory was 57.2MB in the beginning and 40.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:04:18,347 INFO L158 Benchmark]: Witness Printer took 99.38ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 36.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:04:18,350 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: 9.4s, 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, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 2.2s 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, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s 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 0.62ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.56ms. Allocated memory is still 79.7MB. Free memory was 59.4MB in the beginning and 46.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 79.7MB. Free memory was 46.8MB in the beginning and 45.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.64ms. Allocated memory is still 79.7MB. Free memory was 45.2MB in the beginning and 44.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.47ms. Allocated memory is still 79.7MB. Free memory was 44.0MB in the beginning and 57.6MB in the end (delta: -13.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * CodeCheck took 10155.03ms. Allocated memory is still 79.7MB. Free memory was 57.2MB in the beginning and 40.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 99.38ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 36.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:04:18,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b5a8fe-c2b3-4dec-bc79-742dc664bff2/bin/ukojak-verify-ImItNfHLgk/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