./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:29:32,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:29:32,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:29:32,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:29:32,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:29:32,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:29:32,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:29:32,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:29:32,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:29:32,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:29:32,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:29:32,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:29:32,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:29:32,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:29:32,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:29:32,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:29:32,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:29:32,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:29:32,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:29:32,876 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:29:32,876 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:29:32,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:29:32,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:29:32,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:29:32,877 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:29:32,877 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:29:32,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:29:32,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:32,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:29:32,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:29:32,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:29:32,878 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:29:32,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:29:32,879 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_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2024-11-13 22:29:33,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:29:33,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:29:33,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:29:33,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:29:33,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:29:33,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float22.i Unable to find full path for "g++" [2024-11-13 22:29:35,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:29:35,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:29:35,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i [2024-11-13 22:29:35,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/data/868cdf324/131f31c04d094c9693814f53cefb1e6b/FLAG7e05fad29 [2024-11-13 22:29:35,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/data/868cdf324/131f31c04d094c9693814f53cefb1e6b [2024-11-13 22:29:35,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:29:35,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:29:35,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:29:35,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:29:35,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:29:35,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:35" (1/1) ... [2024-11-13 22:29:35,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aec10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:35, skipping insertion in model container [2024-11-13 22:29:35,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:29:35" (1/1) ... [2024-11-13 22:29:35,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:29:35,905 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2024-11-13 22:29:35,913 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2024-11-13 22:29:35,916 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2024-11-13 22:29:35,921 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2024-11-13 22:29:35,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:29:35,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:29:35,979 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2024-11-13 22:29:35,982 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2024-11-13 22:29:35,987 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2024-11-13 22:29:35,996 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_c8b9bd48-f65e-45b0-918f-9c3285def363/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2024-11-13 22:29:35,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:29:36,019 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:29:36,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36 WrapperNode [2024-11-13 22:29:36,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:29:36,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:29:36,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:29:36,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:29:36,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,078 INFO L138 Inliner]: procedures = 21, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2024-11-13 22:29:36,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:29:36,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:29:36,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:29:36,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:29:36,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:29:36,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:29:36,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:29:36,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:29:36,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:29:36,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:29:36,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:29:36,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:29:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:29:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2024-11-13 22:29:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2024-11-13 22:29:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:29:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:29:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:29:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:29:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:29:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2024-11-13 22:29:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2024-11-13 22:29:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:29:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:29:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:29:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:29:36,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:29:36,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:29:36,800 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 22:29:36,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:29:36,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:29:36,848 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:29:36,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:36 BoogieIcfgContainer [2024-11-13 22:29:36,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:29:36,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:29:36,850 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:29:36,870 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:29:36,870 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:36" (1/1) ... [2024-11-13 22:29:36,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:29:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:29:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-13 22:29:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-13 22:29:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:29:36,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:29:36,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:29:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:37,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:29:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:37,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:29:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:29:37,770 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:29:37,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:29:37 ImpRootNode [2024-11-13 22:29:37,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:29:37,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:29:37,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:29:37,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:29:37,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:29:36" (3/4) ... [2024-11-13 22:29:37,817 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:29:37,866 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:29:37,866 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:29:37,872 INFO L158 Benchmark]: Toolchain (without parser) took 2173.59ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 81.2MB in the end (delta: 13.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-13 22:29:37,872 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:37,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.94ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 82.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:29:37,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.32ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:37,874 INFO L158 Benchmark]: Boogie Preprocessor took 62.25ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:29:37,874 INFO L158 Benchmark]: RCFGBuilder took 704.47ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 58.6MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:29:37,874 INFO L158 Benchmark]: CodeCheck took 961.97ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 83.0MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:37,875 INFO L158 Benchmark]: Witness Printer took 54.27ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:29:37,877 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 3 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 - CounterExampleResult [Line: 144]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L179] CALL testOne() [L139] ieee754_float f1, f2; VAL [f1={25346:0}, f2={25347:0}] [L141] CALL, EXPR returnsStructure(0) VAL [\old(index)=0] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L141] RET, EXPR returnsStructure(0) VAL [f1={25346:0}, f2={25347:0}] [L141] f1 = returnsStructure(0) [L142] CALL, EXPR returnsStructure(1) VAL [\old(index)=1] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L142] RET, EXPR returnsStructure(1) VAL [f1={25346:0}, f2={25347:0}] [L142] f2 = returnsStructure(1) [L144] EXPR f1.ieee.negative [L144] EXPR f2.ieee.negative [L144] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L144] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.94ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 82.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.32ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.25ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 704.47ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 58.6MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 961.97ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 83.0MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.27ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:29:37,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b9bd48-f65e-45b0-918f-9c3285def363/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE