./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float20.i --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_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/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_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/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_dc9464d8-f638-417c-b355-dac8bd2714ba/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 ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:28,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:28,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:22:28,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:22:28,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:22:28,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:28,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:22:28,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:22:28,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:28,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:28,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:28,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:22:28,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:22:28,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:22:28,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:22:28,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:28,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:22:28,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:28,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:22:28,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:28,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:22:28,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:22:28,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:28,291 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:28,291 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:28,291 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:28,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:28,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:28,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:28,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:28,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:22:28,293 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:22:28,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:22:28,296 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_dc9464d8-f638-417c-b355-dac8bd2714ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e [2024-11-09 00:22:28,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:28,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:28,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:28,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:28,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:28,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float20.i Unable to find full path for "g++" [2024-11-09 00:22:30,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:30,807 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:30,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-11-09 00:22:30,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data/996ac83e1/e6663f2033ac4827ac48c55441af2853/FLAG099875d19 [2024-11-09 00:22:31,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data/996ac83e1/e6663f2033ac4827ac48c55441af2853 [2024-11-09 00:22:31,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:31,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:31,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:31,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:31,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:31,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d80ce9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31, skipping insertion in model container [2024-11-09 00:22:31,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:31,420 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-09 00:22:31,430 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-09 00:22:31,435 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-09 00:22:31,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:31,453 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:31,470 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-09 00:22:31,474 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-09 00:22:31,477 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-09 00:22:31,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:31,497 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:31,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31 WrapperNode [2024-11-09 00:22:31,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:31,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:31,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:31,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:31,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,530 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-09 00:22:31,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:31,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:31,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:31,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:31,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:31,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:31,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:31,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:31,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:31,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:31,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:31,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:22:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:31,701 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:31,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:31,824 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:31,824 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:31,868 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:31,869 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:22:31,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:31 BoogieIcfgContainer [2024-11-09 00:22:31,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:31,870 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:31,870 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:31,881 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:31,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:31" (1/1) ... [2024-11-09 00:22:31,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-09 00:22:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-09 00:22:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:22:31,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:31,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:32,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:32,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:32,121 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:22:32,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:22:32 ImpRootNode [2024-11-09 00:22:32,148 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:22:32,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:22:32,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:22:32,151 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:22:32,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:31" (3/4) ... [2024-11-09 00:22:32,154 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:22:32,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:22:32,156 INFO L158 Benchmark]: Toolchain (without parser) took 961.65ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 93.1MB in the beginning and 161.8MB in the end (delta: -68.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:32,157 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 146.8MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:32,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 78.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:22:32,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.84ms. Allocated memory is still 146.8MB. Free memory was 78.5MB in the beginning and 76.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:32,158 INFO L158 Benchmark]: Boogie Preprocessor took 23.50ms. Allocated memory is still 146.8MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:32,159 INFO L158 Benchmark]: RCFGBuilder took 311.62ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 75.6MB in the beginning and 172.3MB in the end (delta: -96.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:32,160 INFO L158 Benchmark]: CodeCheck took 278.44ms. Allocated memory is still 207.6MB. Free memory was 172.3MB in the beginning and 161.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:22:32,161 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 207.6MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:32,164 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, 14 locations, 3 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, 3 NumberOfCodeBlocks, 3 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: 21]: 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 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L48] float f=__VERIFIER_nondet_float(); [L49] CALL bug(f) [L17] COND FALSE !(!(min == 0x1.fffffep-105f)) [L18] float modifier = (0x1.0p-23 * (1<<1)); [L19] float ulpdiff = min * modifier; [L21] COND TRUE !(ulpdiff == 0x1p-126f) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 146.8MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 78.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.84ms. Allocated memory is still 146.8MB. Free memory was 78.5MB in the beginning and 76.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.50ms. Allocated memory is still 146.8MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.62ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 75.6MB in the beginning and 172.3MB in the end (delta: -96.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * CodeCheck took 278.44ms. Allocated memory is still 207.6MB. Free memory was 172.3MB in the beginning and 161.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 207.6MB. Free memory is still 161.8MB. 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 00:22:32,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/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_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/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_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/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_dc9464d8-f638-417c-b355-dac8bd2714ba/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 ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:34,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:34,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:22:34,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:34,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:22:34,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:22:34,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:34,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:34,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:34,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:22:34,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:22:34,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:22:34,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:34,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:22:34,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:34,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:22:34,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:22:34,759 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:22:34,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:34,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:22:34,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:22:34,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:22:34,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:34,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:34,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:34,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:34,763 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:34,764 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:22:34,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:34,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:34,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:34,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:34,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:22:34,766 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:22:34,766 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:34,766 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:22:34,767 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_dc9464d8-f638-417c-b355-dac8bd2714ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e [2024-11-09 00:22:35,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:35,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:35,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:35,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:35,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:35,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float20.i Unable to find full path for "g++" [2024-11-09 00:22:37,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:37,569 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:37,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-11-09 00:22:37,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data/7eda29fcb/2a2df2c75c9a45e792b7d11a8b9bbf45/FLAG325fe459e [2024-11-09 00:22:37,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/data/7eda29fcb/2a2df2c75c9a45e792b7d11a8b9bbf45 [2024-11-09 00:22:37,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:37,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:37,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:37,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:37,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:37,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:37" (1/1) ... [2024-11-09 00:22:37,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4b31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:37, skipping insertion in model container [2024-11-09 00:22:37,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:37" (1/1) ... [2024-11-09 00:22:37,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:38,125 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-09 00:22:38,145 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-09 00:22:38,158 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-09 00:22:38,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:38,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:38,207 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-09 00:22:38,216 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-09 00:22:38,221 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_dc9464d8-f638-417c-b355-dac8bd2714ba/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-09 00:22:38,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:38,257 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:38,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38 WrapperNode [2024-11-09 00:22:38,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:38,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:38,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:38,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:38,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,304 INFO L138 Inliner]: procedures = 19, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-09 00:22:38,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:38,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:38,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:38,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:38,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:38,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:38,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:38,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:38,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:38" (1/1) ... [2024-11-09 00:22:38,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:38,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:38,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:38,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:22:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:38,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:38,519 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:38,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:41,778 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:41,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:41,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:41,834 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:22:41,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:41 BoogieIcfgContainer [2024-11-09 00:22:41,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:41,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:41,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:41,846 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:41,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:41" (1/1) ... [2024-11-09 00:22:41,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-09 00:22:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-09 00:22:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:22:41,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:41,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:41,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:41,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:41,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:22:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:42,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:42,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:22:42,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:42,477 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 00:22:42,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:22:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-09 00:22:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-09 00:22:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:22:42,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:42,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:42,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:42,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:42,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:22:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:42,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:44,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:22:44,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:56,814 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 00:22:56,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:08,653 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:23:10,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:23:13,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:23:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-09 00:23:13,552 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-09 00:23:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:23:13,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:13,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:13,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:13,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:13,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:23:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:13,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:13,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:23:13,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:06,918 WARN L286 SmtUtils]: Spent 16.67s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:24:38,242 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 00:24:38,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:25:35,167 WARN L286 SmtUtils]: Spent 17.31s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:25:38,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 00:25:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-09 00:25:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-09 00:25:52,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:25:52,827 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-09 00:25:52,836 INFO L729 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-09 00:25:57,326 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2024-11-09 00:25:57,327 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_bugBrokenOut_~min#1_19| (_ FloatingPoint 8 24))) (and (= |ULTIMATE.start_bugBrokenOut_~ulpdiff~1#1| ((_ to_fp 8 24) currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 11 53) currentRoundingMode |v_ULTIMATE.start_bugBrokenOut_~min#1_19|) ((_ to_fp 11 53) currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 8388608.0)) ((_ to_fp 11 53) currentRoundingMode (_ bv2 32)))))))) (fp.eq |v_ULTIMATE.start_bugBrokenOut_~min#1_19| ((_ to_fp 8 24) currentRoundingMode (/ 16777215.0 340282366920938463463374607431768211456.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-09 00:25:57,327 INFO L75 FloydHoareUtils]: For program point L32-1(line 32) no Hoare annotation was computed. [2024-11-09 00:25:57,327 INFO L77 FloydHoareUtils]: At program point L32-3(lines 26 35) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2024-11-09 00:25:57,328 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-09 00:25:57,328 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:25:57,328 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_bug_~min#1_21| (_ FloatingPoint 8 24))) (and (= |ULTIMATE.start_bug_~ulpdiff~0#1| (fp.mul currentRoundingMode |v_ULTIMATE.start_bug_~min#1_21| ((_ to_fp 8 24) currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 8388608.0)) ((_ to_fp 11 53) currentRoundingMode (_ bv2 32)))))) (fp.eq |v_ULTIMATE.start_bug_~min#1_21| ((_ to_fp 8 24) currentRoundingMode (/ 16777215.0 340282366920938463463374607431768211456.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-09 00:25:57,328 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-09 00:25:57,329 INFO L77 FloydHoareUtils]: At program point L21-3(lines 16 24) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2024-11-09 00:25:57,329 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_bugCasting_~d#1_19| (_ FloatingPoint 11 53))) (and (= |ULTIMATE.start_bugCasting_~f~0#1| ((_ to_fp 8 24) currentRoundingMode |v_ULTIMATE.start_bugCasting_~d#1_19|)) (fp.eq |v_ULTIMATE.start_bugCasting_~d#1_19| ((_ to_fp 11 53) currentRoundingMode (/ 16777215.0 1427247692705959881058285969449495136382746624.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-09 00:25:57,329 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:25:57,329 INFO L75 FloydHoareUtils]: For program point L42-1(line 42) no Hoare annotation was computed. [2024-11-09 00:25:57,329 INFO L77 FloydHoareUtils]: At program point L42-3(lines 37 45) the Hoare annotation is: true [2024-11-09 00:25:57,329 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2024-11-09 00:25:57,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:25:57,337 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:25:57,338 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 00:25:57,338 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-09 00:25:57,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:25:57 ImpRootNode [2024-11-09 00:25:57,341 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:25:57,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:25:57,341 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:25:57,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:25:57,342 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:41" (3/4) ... [2024-11-09 00:25:57,344 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:25:57,352 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-09 00:25:57,352 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:25:57,352 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:25:57,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:25:57,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:25:57,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:25:57,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:25:57,456 INFO L158 Benchmark]: Toolchain (without parser) took 199578.78ms. Allocated memory is still 102.8MB. Free memory was 78.7MB in the beginning and 61.5MB in the end (delta: 17.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-09 00:25:57,456 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:57,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.39ms. Allocated memory is still 102.8MB. Free memory was 78.4MB in the beginning and 63.4MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:25:57,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.23ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 61.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:57,458 INFO L158 Benchmark]: Boogie Preprocessor took 42.10ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 60.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:57,462 INFO L158 Benchmark]: RCFGBuilder took 3485.16ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 76.0MB in the end (delta: -15.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-09 00:25:57,462 INFO L158 Benchmark]: CodeCheck took 195505.62ms. Allocated memory is still 102.8MB. Free memory was 76.0MB in the beginning and 66.2MB in the end (delta: 9.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-09 00:25:57,463 INFO L158 Benchmark]: Witness Printer took 114.03ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 61.5MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:25:57,465 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, 14 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 191.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 14.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 14.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 168.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 97.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 4 QuantifiedInterpolants, 118 SizeOfPredicates, 3 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 32]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 42]: 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 3 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.39ms. Allocated memory is still 102.8MB. Free memory was 78.4MB in the beginning and 63.4MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.23ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 61.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.10ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 60.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3485.16ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 76.0MB in the end (delta: -15.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * CodeCheck took 195505.62ms. Allocated memory is still 102.8MB. Free memory was 76.0MB in the beginning and 66.2MB in the end (delta: 9.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 114.03ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 61.5MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2024-11-09 00:25:57,683 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-09 00:25:57,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9464d8-f638-417c-b355-dac8bd2714ba/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE