./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_double.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_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/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_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/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_5caac40a-45e8-4b5b-8804-873171e31e66/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 da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:06:03,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:03,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:06:03,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:06:03,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:06:03,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:03,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:03,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:03,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:03,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:03,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:03,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:03,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:06:03,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:03,728 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:03,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:03,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:03,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:03,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:03,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:03,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:03,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:03,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:03,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:03,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:06:03,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:06:03,729 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_5caac40a-45e8-4b5b-8804-873171e31e66/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 -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2024-12-06 06:06:03,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:03,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:03,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:03,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:03,949 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:03,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/float_double.c [2024-12-06 06:06:06,578 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/a5f3a45df/ef3e5749228a46a4b7104674010c3009/FLAGe0554d061 [2024-12-06 06:06:06,765 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:06,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/sv-benchmarks/c/float-benchs/float_double.c [2024-12-06 06:06:06,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/a5f3a45df/ef3e5749228a46a4b7104674010c3009/FLAGe0554d061 [2024-12-06 06:06:07,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/a5f3a45df/ef3e5749228a46a4b7104674010c3009 [2024-12-06 06:06:07,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:07,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:07,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:07,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:07,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:07,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b646b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07, skipping insertion in model container [2024-12-06 06:06:07,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:07,280 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_5caac40a-45e8-4b5b-8804-873171e31e66/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-12-06 06:06:07,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:07,299 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:07,308 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_5caac40a-45e8-4b5b-8804-873171e31e66/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-12-06 06:06:07,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:07,320 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:07,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07 WrapperNode [2024-12-06 06:06:07,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:07,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:07,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:07,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:07,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,344 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20 [2024-12-06 06:06:07,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:07,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:07,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:07,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:07,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:07,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:07,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:07,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:07,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:07,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:07,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:07,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:06:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:06:07,459 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:07,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:07,524 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:07,524 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:07,539 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:07,539 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:06:07,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:07 BoogieIcfgContainer [2024-12-06 06:06:07,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:07,540 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:07,541 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:07,550 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:07,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:07" (1/1) ... [2024-12-06 06:06:07,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 06:06:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 06:06:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:06:07,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:07,678 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:06:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:07,719 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:06:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:07,731 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:06:07,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:06:07 ImpRootNode [2024-12-06 06:06:07,747 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:06:07,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:06:07,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:06:07,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:06:07,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:07" (3/4) ... [2024-12-06 06:06:07,751 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:06:07,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:06:07,752 INFO L158 Benchmark]: Toolchain (without parser) took 605.40ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 84.6MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 06:06:07,752 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:07,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.42ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 106.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:07,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.48ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:07,753 INFO L158 Benchmark]: Boogie Preprocessor took 11.38ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.3MB in the end (delta: 605.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:07,754 INFO L158 Benchmark]: RCFGBuilder took 183.59ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.7MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:06:07,754 INFO L158 Benchmark]: CodeCheck took 206.71ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 84.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:07,755 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 84.6MB in the end (delta: 186.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:07,756 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: 6]: 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 10, overapproximation of someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L10] double x = 1e20 + 1.; [L11] float y = x; [L12] CALL __VERIFIER_assert(x != y) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.42ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 106.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.48ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.38ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.3MB in the end (delta: 605.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 183.59ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.7MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 206.71ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 84.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 84.6MB in the end (delta: 186.2kB). 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 06:06:07,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/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_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/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_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/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_5caac40a-45e8-4b5b-8804-873171e31e66/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 da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:06:09,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:09,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:06:09,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:09,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:09,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:09,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:09,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:09,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:06:09,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:09,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:09,806 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:06:09,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:09,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:09,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:09,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:09,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:09,807 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:06:09,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:09,807 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:06:09,807 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_5caac40a-45e8-4b5b-8804-873171e31e66/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 -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2024-12-06 06:06:10,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:10,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:10,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:10,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:10,049 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:10,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/float_double.c [2024-12-06 06:06:12,651 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/7410282e4/972189cff3aa49b7b081440262606ffe/FLAGcdccfe879 [2024-12-06 06:06:12,863 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:12,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/sv-benchmarks/c/float-benchs/float_double.c [2024-12-06 06:06:12,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/7410282e4/972189cff3aa49b7b081440262606ffe/FLAGcdccfe879 [2024-12-06 06:06:13,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/data/7410282e4/972189cff3aa49b7b081440262606ffe [2024-12-06 06:06:13,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:13,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:13,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:13,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:13,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:13,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f790fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13, skipping insertion in model container [2024-12-06 06:06:13,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:13,352 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_5caac40a-45e8-4b5b-8804-873171e31e66/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-12-06 06:06:13,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:13,370 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:13,377 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_5caac40a-45e8-4b5b-8804-873171e31e66/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-12-06 06:06:13,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:13,390 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:13,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13 WrapperNode [2024-12-06 06:06:13,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:13,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:13,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:13,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:13,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,412 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-12-06 06:06:13,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:13,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:13,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:13,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:13,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:13,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:13,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:13,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:13,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:13,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:13,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:13,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:06:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:06:13,516 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:13,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:13,635 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:13,635 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:13,661 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:13,661 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:06:13,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:13 BoogieIcfgContainer [2024-12-06 06:06:13,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:13,662 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:13,663 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:13,672 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:13,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 06:06:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 06:06:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:06:13,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:13,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:13,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:13,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:13,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:06:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:13,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:13,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:06:13,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:13,934 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 06:06:13,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:06:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 06:06:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 06:06:13,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:06:13,998 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 06:06:14,004 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 06:06:14,012 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:06:14,012 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-12-06 06:06:14,012 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:06:14,012 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-12-06 06:06:14,013 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-12-06 06:06:14,013 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-12-06 06:06:14,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:06:14 ImpRootNode [2024-12-06 06:06:14,018 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:06:14,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:06:14,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:06:14,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:06:14,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:13" (3/4) ... [2024-12-06 06:06:14,021 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:06:14,026 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 06:06:14,026 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 06:06:14,026 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 06:06:14,026 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 06:06:14,092 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:06:14,092 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:06:14,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:06:14,093 INFO L158 Benchmark]: Toolchain (without parser) took 857.30ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 58.9MB in the end (delta: 11.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 06:06:14,093 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:14,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.14ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.9MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:14,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.44ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:14,094 INFO L158 Benchmark]: Boogie Preprocessor took 16.30ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.9MB in the end (delta: 815.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:14,095 INFO L158 Benchmark]: RCFGBuilder took 232.02ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 46.8MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:06:14,095 INFO L158 Benchmark]: CodeCheck took 355.62ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 62.8MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:14,096 INFO L158 Benchmark]: Witness Printer took 73.58ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 58.9MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:14,097 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, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 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: 6]: 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 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.14ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.9MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.44ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.30ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.9MB in the end (delta: 815.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 232.02ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 46.8MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 355.62ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 62.8MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.58ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 58.9MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:06:14,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caac40a-45e8-4b5b-8804-873171e31e66/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