./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float_range.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_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/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_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/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_4ac5d02f-d582-4f50-846d-12b4faffd026/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 ee2a153dfaee3b2943eb2b8eaec5e19c9c4ddd538a99937424544e93fd7e00e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:58:04,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:58:04,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:58:04,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:58:04,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:58:04,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:58:04,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:58:04,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:58:04,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:58:04,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:58:04,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:58:04,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:58:04,384 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:58:04,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:58:04,384 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:58:04,384 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:58:04,384 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:58:04,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:58:04,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:04,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:58:04,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:58:04,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:58:04,385 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:58:04,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:58:04,385 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_4ac5d02f-d582-4f50-846d-12b4faffd026/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 -> ee2a153dfaee3b2943eb2b8eaec5e19c9c4ddd538a99937424544e93fd7e00e2 [2024-12-06 03:58:04,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:58:04,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:58:04,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:58:04,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:58:04,666 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:58:04,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/nan_float_range.c [2024-12-06 03:58:07,417 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/848dda030/78c3eab03a014b0db78361c9edcb8452/FLAG663ad8352 [2024-12-06 03:58:07,602 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:58:07,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/sv-benchmarks/c/float-benchs/nan_float_range.c [2024-12-06 03:58:07,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/848dda030/78c3eab03a014b0db78361c9edcb8452/FLAG663ad8352 [2024-12-06 03:58:07,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/848dda030/78c3eab03a014b0db78361c9edcb8452 [2024-12-06 03:58:07,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:58:07,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:58:07,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:07,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:58:07,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:58:07,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a67a27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07, skipping insertion in model container [2024-12-06 03:58:07,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:58:07,767 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_4ac5d02f-d582-4f50-846d-12b4faffd026/sv-benchmarks/c/float-benchs/nan_float_range.c[423,436] [2024-12-06 03:58:07,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:07,786 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:58:07,796 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_4ac5d02f-d582-4f50-846d-12b4faffd026/sv-benchmarks/c/float-benchs/nan_float_range.c[423,436] [2024-12-06 03:58:07,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:07,810 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:58:07,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07 WrapperNode [2024-12-06 03:58:07,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:07,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:07,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:58:07,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:58:07,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,839 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2024-12-06 03:58:07,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:07,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:58:07,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:58:07,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:58:07,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:58:07,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:58:07,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:58:07,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:58:07,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:07" (1/1) ... [2024-12-06 03:58:07,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:07,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:58:07,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:58:07,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:58:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:58:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:58:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:58:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:58:07,945 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:58:07,946 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:58:08,015 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 03:58:08,015 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:58:08,031 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:58:08,031 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:58:08,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:58:08 BoogieIcfgContainer [2024-12-06 03:58:08,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:58:08,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:58:08,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:58:08,040 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:58:08,040 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:58:08" (1/1) ... [2024-12-06 03:58:08,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:58:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:58:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:58:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:58:08,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:58:08,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:58:08,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:58:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:58:08,145 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:58:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:58:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:58:08,183 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:58:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:58:08,193 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:58:08,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:58:08 ImpRootNode [2024-12-06 03:58:08,205 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:58:08,206 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:58:08,206 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:58:08,206 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:58:08,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:58:08" (3/4) ... [2024-12-06 03:58:08,209 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:58:08,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:58:08,211 INFO L158 Benchmark]: Toolchain (without parser) took 576.12ms. Allocated memory is still 142.6MB. Free memory was 119.7MB in the beginning and 87.5MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:58:08,211 INFO L158 Benchmark]: CDTParser took 0.31ms. 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 03:58:08,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.98ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 109.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:58:08,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.61ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 108.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:08,212 INFO L158 Benchmark]: Boogie Preprocessor took 14.92ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.3MB in the end (delta: 687.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:08,213 INFO L158 Benchmark]: RCFGBuilder took 176.88ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 97.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:58:08,213 INFO L158 Benchmark]: CodeCheck took 173.16ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 87.8MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:58:08,214 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 179.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:08,216 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 8]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 16, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [L15] COND TRUE x >= -1e10 && x <= 1e10 [L16] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.98ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 109.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.61ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 108.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.92ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.3MB in the end (delta: 687.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 176.88ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 97.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 173.16ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 87.8MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 179.3kB). 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 03:58:08,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/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_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/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_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/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_4ac5d02f-d582-4f50-846d-12b4faffd026/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 ee2a153dfaee3b2943eb2b8eaec5e19c9c4ddd538a99937424544e93fd7e00e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:58:10,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:58:10,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:58:10,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:58:10,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:58:10,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:58:10,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:58:10,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:58:10,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:58:10,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:58:10,265 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:58:10,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:58:10,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:10,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:58:10,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:58:10,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:58:10,266 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:58:10,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:10,266 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:58:10,266 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_4ac5d02f-d582-4f50-846d-12b4faffd026/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 -> ee2a153dfaee3b2943eb2b8eaec5e19c9c4ddd538a99937424544e93fd7e00e2 [2024-12-06 03:58:10,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:58:10,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:58:10,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:58:10,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:58:10,513 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:58:10,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/nan_float_range.c [2024-12-06 03:58:13,110 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/38ee68d82/de9ad7ad01034f02847d97ba5f18eed7/FLAG13f83c585 [2024-12-06 03:58:13,321 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:58:13,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/sv-benchmarks/c/float-benchs/nan_float_range.c [2024-12-06 03:58:13,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/38ee68d82/de9ad7ad01034f02847d97ba5f18eed7/FLAG13f83c585 [2024-12-06 03:58:13,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/data/38ee68d82/de9ad7ad01034f02847d97ba5f18eed7 [2024-12-06 03:58:13,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:58:13,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:58:13,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:13,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:58:13,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:58:13,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ce0ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13, skipping insertion in model container [2024-12-06 03:58:13,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:58:13,824 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_4ac5d02f-d582-4f50-846d-12b4faffd026/sv-benchmarks/c/float-benchs/nan_float_range.c[423,436] [2024-12-06 03:58:13,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:13,849 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:58:13,860 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_4ac5d02f-d582-4f50-846d-12b4faffd026/sv-benchmarks/c/float-benchs/nan_float_range.c[423,436] [2024-12-06 03:58:13,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:13,876 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:58:13,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13 WrapperNode [2024-12-06 03:58:13,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:13,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:13,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:58:13,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:58:13,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,906 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-06 03:58:13,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:13,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:58:13,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:58:13,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:58:13,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:58:13,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:58:13,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:58:13,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:58:13,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:13" (1/1) ... [2024-12-06 03:58:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:13,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:58:13,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:58:13,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:58:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:58:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:58:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:58:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:58:14,041 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:58:14,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:58:14,234 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:58:14,234 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:58:14,255 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:58:14,256 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:58:14,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:58:14 BoogieIcfgContainer [2024-12-06 03:58:14,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:58:14,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:58:14,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:58:14,265 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:58:14,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:58:14" (1/1) ... [2024-12-06 03:58:14,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:58:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:58:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:58:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:58:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:58:14,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:58:14,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:14,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:58:14,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:58:14,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:58:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:14,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:58:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:14,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:58:14,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:58:14,514 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 03:58:14,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:58:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:58:14,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 03:58:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 03:58:14,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:58:14,568 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 03:58:14,574 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:58:14,585 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:58:14,585 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2024-12-06 03:58:14,585 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: true [2024-12-06 03:58:14,585 INFO L77 FloydHoareUtils]: At program point L15-2(lines 15 17) the Hoare annotation is: true [2024-12-06 03:58:14,585 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:58:14,585 INFO L77 FloydHoareUtils]: At program point L8(line 8) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-12-06 03:58:14,585 INFO L75 FloydHoareUtils]: For program point L8-1(line 8) no Hoare annotation was computed. [2024-12-06 03:58:14,585 INFO L77 FloydHoareUtils]: At program point L8-3(line 8) the Hoare annotation is: true [2024-12-06 03:58:14,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:58:14 ImpRootNode [2024-12-06 03:58:14,591 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:58:14,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:58:14,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:58:14,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:58:14,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:58:14" (3/4) ... [2024-12-06 03:58:14,593 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:58:14,598 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 03:58:14,598 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 03:58:14,598 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:58:14,598 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:58:14,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:58:14,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:58:14,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:58:14,652 INFO L158 Benchmark]: Toolchain (without parser) took 944.16ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.9MB in the end (delta: 13.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 03:58:14,652 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:14,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.97ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:58:14,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.64ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:14,653 INFO L158 Benchmark]: Boogie Preprocessor took 19.12ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.7MB in the end (delta: 915.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:14,653 INFO L158 Benchmark]: RCFGBuilder took 329.40ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 46.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:58:14,654 INFO L158 Benchmark]: CodeCheck took 334.18ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 61.2MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:14,654 INFO L158 Benchmark]: Witness Printer took 59.76ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 56.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:58:14,656 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, 8 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 3 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 1 NumberOfNonLiveVariables, 19 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: 8]: 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 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.97ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.64ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 57.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.12ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.7MB in the end (delta: 915.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.40ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 46.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 334.18ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 61.2MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.76ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 56.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:58:14,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5d02f-d582-4f50-846d-12b4faffd026/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