./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float3.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_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/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_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/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_8edfb09a-3c01-4177-931c-acdfa1583d3d/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 bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:17:19,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:17:19,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:17:19,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:17:19,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:17:19,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:17:19,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:17:19,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:17:19,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:17:19,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:17:19,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:17:19,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:17:19,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:17:19,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:17:19,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:17:19,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:17:19,342 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:17:19,342 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:17:19,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:17:19,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:19,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:17:19,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:17:19,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:17:19,343 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:17:19,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:17:19,343 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_8edfb09a-3c01-4177-931c-acdfa1583d3d/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 -> bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 [2024-12-06 05:17:19,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:17:19,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:17:19,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:17:19,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:17:19,592 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:17:19,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float3.c [2024-12-06 05:17:22,333 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/2447aaac8/759668dd0d88466592458fa482a7fa17/FLAG2d27d4ac2 [2024-12-06 05:17:22,513 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:17:22,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/sv-benchmarks/c/floats-cbmc-regression/float3.c [2024-12-06 05:17:22,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/2447aaac8/759668dd0d88466592458fa482a7fa17/FLAG2d27d4ac2 [2024-12-06 05:17:22,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/2447aaac8/759668dd0d88466592458fa482a7fa17 [2024-12-06 05:17:22,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:17:22,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:17:22,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:22,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:17:22,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:17:22,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369ef202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22, skipping insertion in model container [2024-12-06 05:17:22,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:17:22,735 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_8edfb09a-3c01-4177-931c-acdfa1583d3d/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-12-06 05:17:22,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:22,750 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:17:22,764 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_8edfb09a-3c01-4177-931c-acdfa1583d3d/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-12-06 05:17:22,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:22,781 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:17:22,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22 WrapperNode [2024-12-06 05:17:22,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:22,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:22,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:17:22,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:17:22,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,817 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-06 05:17:22,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:22,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:17:22,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:17:22,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:17:22,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:17:22,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:17:22,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:17:22,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:17:22,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:22" (1/1) ... [2024-12-06 05:17:22,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:22,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:17:22,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:17:22,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:17:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:17:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:17:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:17:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:17:22,970 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:17:22,972 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:17:23,056 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-12-06 05:17:23,056 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:17:23,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:17:23,099 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:17:23,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:23 BoogieIcfgContainer [2024-12-06 05:17:23,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:17:23,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:17:23,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:17:23,110 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:17:23,110 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:23" (1/1) ... [2024-12-06 05:17:23,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:17:23,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 05:17:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 05:17:23,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:17:23,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:23,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:17:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:23,261 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:17:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:23,307 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:17:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:17:23,324 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:17:23,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:17:23 ImpRootNode [2024-12-06 05:17:23,341 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:17:23,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:17:23,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:17:23,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:17:23,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:23" (3/4) ... [2024-12-06 05:17:23,345 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:17:23,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:17:23,347 INFO L158 Benchmark]: Toolchain (without parser) took 805.52ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 59.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:17:23,347 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:23,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.13ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:23,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.89ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:23,349 INFO L158 Benchmark]: Boogie Preprocessor took 17.88ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 616.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:23,350 INFO L158 Benchmark]: RCFGBuilder took 263.06ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 70.0MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:17:23,351 INFO L158 Benchmark]: CodeCheck took 240.70ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 60.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:23,351 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 59.7MB in the end (delta: 210.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:23,354 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: 0.2s, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 26]: 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 someBinaryArithmeticDOUBLEoperation at line 22, overapproximation of someBinaryDOUBLEComparisonOperation at line 26. Possible FailurePath: [L6] double d = 0.0; [L15] int x = 2; [L17] COND TRUE __VERIFIER_nondet_int() [L18] x = 4 [L20] CALL f1() [L10] d = 1.0 [L20] RET f1() [L22] d += (x == 2) [L24] d += (x > 3) [L26] COND TRUE !(d == 2.0) [L26] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.13ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.89ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.88ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 616.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.06ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 70.0MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 240.70ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 60.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 59.7MB in the end (delta: 210.7kB). 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 05:17:23,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/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_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/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_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/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_8edfb09a-3c01-4177-931c-acdfa1583d3d/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 bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:17:25,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:17:25,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:17:25,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:17:25,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:17:25,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:17:25,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:17:25,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:17:25,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:17:25,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:17:25,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:17:25,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:17:25,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:17:25,727 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:17:25,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:17:25,727 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:17:25,727 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:17:25,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:17:25,727 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:25,728 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:17:25,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:17:25,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:25,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:17:25,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:17:25,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:17:25,728 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:17:25,728 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:25,728 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:17:25,729 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_8edfb09a-3c01-4177-931c-acdfa1583d3d/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 -> bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 [2024-12-06 05:17:26,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:17:26,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:17:26,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:17:26,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:17:26,037 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:17:26,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float3.c [2024-12-06 05:17:29,027 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/6c8dbccf4/3482d2b1036a4403a2c4453667476220/FLAG8136e36b6 [2024-12-06 05:17:29,224 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:17:29,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/sv-benchmarks/c/floats-cbmc-regression/float3.c [2024-12-06 05:17:29,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/6c8dbccf4/3482d2b1036a4403a2c4453667476220/FLAG8136e36b6 [2024-12-06 05:17:29,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/data/6c8dbccf4/3482d2b1036a4403a2c4453667476220 [2024-12-06 05:17:29,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:17:29,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:17:29,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:29,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:17:29,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:17:29,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583aff39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29, skipping insertion in model container [2024-12-06 05:17:29,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:17:29,419 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_8edfb09a-3c01-4177-931c-acdfa1583d3d/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-12-06 05:17:29,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:29,435 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:17:29,448 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_8edfb09a-3c01-4177-931c-acdfa1583d3d/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-12-06 05:17:29,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:29,463 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:17:29,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29 WrapperNode [2024-12-06 05:17:29,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:29,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:29,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:17:29,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:17:29,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,492 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-06 05:17:29,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:29,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:17:29,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:17:29,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:17:29,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,507 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:17:29,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:17:29,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:17:29,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:17:29,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:29" (1/1) ... [2024-12-06 05:17:29,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:29,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:17:29,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:17:29,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:17:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:17:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:17:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:17:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:17:29,636 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:17:29,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:17:30,760 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-12-06 05:17:30,760 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:17:30,817 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:17:30,817 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:17:30,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:30 BoogieIcfgContainer [2024-12-06 05:17:30,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:17:30,818 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:17:30,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:17:30,828 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:17:30,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:30" (1/1) ... [2024-12-06 05:17:30,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:17:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 05:17:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 05:17:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:17:30,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:30,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:30,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:30,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:30,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:17:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:31,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:31,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:17:31,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:31,990 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 05:17:31,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:17:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 05:17:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 05:17:33,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:17:33,175 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 05:17:33,182 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:17:33,214 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:17:33,214 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.add currentRoundingMode (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) ((_ to_fp 11 53) currentRoundingMode (_ bv0 32))) ((_ to_fp 11 53) currentRoundingMode (_ bv1 32))) ~d~0)) [2024-12-06 05:17:33,214 INFO L75 FloydHoareUtils]: For program point L26-1(line 26) no Hoare annotation was computed. [2024-12-06 05:17:33,215 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2024-12-06 05:17:33,215 INFO L77 FloydHoareUtils]: At program point L13(lines 13 27) the Hoare annotation is: true [2024-12-06 05:17:33,215 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:17:33,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:17:33 ImpRootNode [2024-12-06 05:17:33,219 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:17:33,220 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:17:33,220 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:17:33,220 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:17:33,221 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:30" (3/4) ... [2024-12-06 05:17:33,223 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:17:33,228 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 05:17:33,228 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 05:17:33,229 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:17:33,229 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:17:33,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:17:33,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:17:33,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:17:33,289 INFO L158 Benchmark]: Toolchain (without parser) took 4026.20ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 40.7MB in the end (delta: 28.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-12-06 05:17:33,289 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:33,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.36ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 58.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:33,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.62ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:33,290 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.3MB in the end (delta: 914.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:33,291 INFO L158 Benchmark]: RCFGBuilder took 1302.73ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 44.4MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:17:33,291 INFO L158 Benchmark]: CodeCheck took 2401.03ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 44.9MB in the end (delta: -566.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:33,292 INFO L158 Benchmark]: Witness Printer took 68.43ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 40.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:33,294 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: 2.3s, 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, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 1.1s 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 2 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 26]: 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.36ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 58.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.62ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.3MB in the end (delta: 914.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1302.73ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 44.4MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2401.03ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 44.9MB in the end (delta: -566.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.43ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 40.7MB 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 05:17:33,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8edfb09a-3c01-4177-931c-acdfa1583d3d/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