./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b --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 bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:53:11,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:53:11,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:53:11,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:53:11,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:53:11,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:53:11,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:53:11,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:53:11,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:53:11,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:53:11,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:53:11,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:53:11,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:53:11,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:53:11,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:53:11,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:53:11,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:53:11,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:53:11,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:53:11,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:53:11,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:11,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:53:11,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:53:11,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:53:11,782 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:53:11,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:53:11,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b 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 -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2024-12-06 00:53:11,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:53:11,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:53:11,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:53:11,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:53:11,983 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:53:11,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-12-06 00:53:14,604 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/ba1d0049a/39cf9f34b4804c599fe42e296da85fa9/FLAG3a0c71a8b [2024-12-06 00:53:14,809 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:53:14,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-12-06 00:53:14,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/ba1d0049a/39cf9f34b4804c599fe42e296da85fa9/FLAG3a0c71a8b [2024-12-06 00:53:15,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/ba1d0049a/39cf9f34b4804c599fe42e296da85fa9 [2024-12-06 00:53:15,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:53:15,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:53:15,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:15,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:53:15,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:53:15,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4987c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15, skipping insertion in model container [2024-12-06 00:53:15,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:53:15,345 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_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-12-06 00:53:15,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:15,359 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:53:15,372 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_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-12-06 00:53:15,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:15,385 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:53:15,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15 WrapperNode [2024-12-06 00:53:15,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:15,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:15,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:53:15,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:53:15,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,411 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2024-12-06 00:53:15,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:15,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:53:15,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:53:15,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:53:15,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,421 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:53:15,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:53:15,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:53:15,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:53:15,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:53:15,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:53:15,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:53:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:53:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:53:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:53:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:53:15,516 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:53:15,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:53:15,563 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-12-06 00:53:15,563 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:53:15,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:53:15,577 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:53:15,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:15 BoogieIcfgContainer [2024-12-06 00:53:15,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:53:15,578 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:53:15,578 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:53:15,585 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:53:15,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:15" (1/1) ... [2024-12-06 00:53:15,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:53:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:15,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 00:53:15,631 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 00:53:15,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:53:15,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:15,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:15,692 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:15,724 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:53:15,731 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:53:15,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:53:15 ImpRootNode [2024-12-06 00:53:15,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:53:15,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:53:15,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:53:15,746 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:53:15,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:15" (3/4) ... [2024-12-06 00:53:15,748 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:53:15,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:53:15,750 INFO L158 Benchmark]: Toolchain (without parser) took 556.25ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 61.5MB in the end (delta: 31.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:53:15,750 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:15,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.80ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:15,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.24ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.7MB in the end (delta: 851.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:15,751 INFO L158 Benchmark]: Boogie Preprocessor took 12.65ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.1MB in the end (delta: 619.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:15,752 INFO L158 Benchmark]: RCFGBuilder took 152.37ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 71.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:15,752 INFO L158 Benchmark]: CodeCheck took 167.46ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 61.8MB in the end (delta: 9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:15,753 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 61.5MB in the end (delta: 259.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:15,755 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 11]: 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 someUnaryDOUBLEoperation at line 8, overapproximation of someBinaryDOUBLEComparisonOperation at line 11, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L7] float f = -0x1.0p-127f; [L8] double d = -0x1.0p-127; [L9] double fp = (double)f; [L11] COND TRUE !(d == fp) [L11] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.80ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.24ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.7MB in the end (delta: 851.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.65ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.1MB in the end (delta: 619.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 152.37ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 71.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 167.46ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 61.8MB in the end (delta: 9.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 61.5MB in the end (delta: 259.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:53:15,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b --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 bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:53:17,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:53:17,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:53:17,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:53:17,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:53:17,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:53:17,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:53:17,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:53:17,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:53:17,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:53:17,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:53:17,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:53:17,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:53:17,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:53:17,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:53:17,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:53:17,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:53:17,812 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:53:17,812 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:53:17,812 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:17,813 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:53:17,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:53:17,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:17,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:53:17,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:53:17,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:53:17,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:53:17,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:17,813 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:53:17,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b 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 -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2024-12-06 00:53:18,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:53:18,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:53:18,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:53:18,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:53:18,071 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:53:18,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-12-06 00:53:20,778 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/6c0413bfe/d65ba04bc49c40119870ae672362c88d/FLAGed406a704 [2024-12-06 00:53:20,957 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:53:20,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-12-06 00:53:20,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/6c0413bfe/d65ba04bc49c40119870ae672362c88d/FLAGed406a704 [2024-12-06 00:53:20,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/data/6c0413bfe/d65ba04bc49c40119870ae672362c88d [2024-12-06 00:53:20,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:53:20,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:53:20,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:20,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:53:20,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:53:20,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:20" (1/1) ... [2024-12-06 00:53:20,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5f02bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:20, skipping insertion in model container [2024-12-06 00:53:20,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:20" (1/1) ... [2024-12-06 00:53:21,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:53:21,136 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_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-12-06 00:53:21,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:21,153 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:53:21,167 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_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-12-06 00:53:21,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:21,182 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:53:21,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21 WrapperNode [2024-12-06 00:53:21,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:21,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:21,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:53:21,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:53:21,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,207 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-12-06 00:53:21,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:21,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:53:21,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:53:21,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:53:21,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,221 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:53:21,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:53:21,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:53:21,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:53:21,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:21,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:53:21,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:53:21,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:53:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:53:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:53:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:53:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:53:21,323 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:53:21,324 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:53:21,416 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:53:21,416 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:53:21,440 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:53:21,440 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:53:21,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:21 BoogieIcfgContainer [2024-12-06 00:53:21,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:53:21,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:53:21,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:53:21,448 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:53:21,448 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:21" (1/1) ... [2024-12-06 00:53:21,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:53:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 00:53:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 00:53:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:53:21,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:21,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:21,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:21,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:21,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:53:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:21,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:21,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:53:21,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:21,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:53:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 00:53:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 00:53:21,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:53:21,722 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 00:53:21,727 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:53:21,739 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:53:21,739 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2024-12-06 00:53:21,739 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (and (= (fp.neg ((_ to_fp 11 53) currentRoundingMode (/ 1.0 170141183460469231731687303715884105728.0))) |ULTIMATE.start_main_~d~0#1|) (= |ULTIMATE.start_main_~fp~0#1| ((_ to_fp 11 53) currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 170141183460469231731687303715884105728.0))))))) [2024-12-06 00:53:21,739 INFO L75 FloydHoareUtils]: For program point L11-1(line 11) no Hoare annotation was computed. [2024-12-06 00:53:21,739 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:53:21,739 INFO L77 FloydHoareUtils]: At program point L11-3(line 11) the Hoare annotation is: true [2024-12-06 00:53:21,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:53:21 ImpRootNode [2024-12-06 00:53:21,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:53:21,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:53:21,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:53:21,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:53:21,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:21" (3/4) ... [2024-12-06 00:53:21,746 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:53:21,750 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 00:53:21,751 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 00:53:21,751 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 00:53:21,751 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:53:21,808 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:53:21,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:53:21,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:53:21,809 INFO L158 Benchmark]: Toolchain (without parser) took 829.45ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 59.8MB in the end (delta: 10.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-06 00:53:21,810 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:21,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.02ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 58.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:21,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.69ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:21,811 INFO L158 Benchmark]: Boogie Preprocessor took 18.01ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 56.3MB in the end (delta: 783.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:21,811 INFO L158 Benchmark]: RCFGBuilder took 214.59ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 46.8MB in the end (delta: 9.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:21,812 INFO L158 Benchmark]: CodeCheck took 302.88ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 63.9MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:21,812 INFO L158 Benchmark]: Witness Printer took 64.42ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 59.8MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:21,814 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 1 QuantifiedInterpolants, 17 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 3 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 11]: 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.02ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 58.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.69ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.01ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 56.3MB in the end (delta: 783.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.59ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 46.8MB in the end (delta: 9.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 302.88ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 63.9MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.42ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 59.8MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:53:21,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a4c344-2cf2-4527-a8b9-4a75e3dc4bfa/bin/ukojak-verify-CZk0znPC7b/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