./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float5.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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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 0fe8fc4355a4e8558a06e9516fd8b9c3e5a636112d9ce6a006f4aad85245907d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:47:56,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:47:56,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:47:56,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:47:56,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:47:56,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:47:56,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:47:56,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:47:56,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:47:56,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:47:56,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:47:56,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:47:56,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:47:56,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:47:56,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:47:56,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:47:56,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:47:56,125 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:47:56,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:47:56,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:56,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:47:56,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:47:56,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:47:56,126 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:47:56,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:47:56,126 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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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 -> 0fe8fc4355a4e8558a06e9516fd8b9c3e5a636112d9ce6a006f4aad85245907d [2024-12-06 00:47:56,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:47:56,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:47:56,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:47:56,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:47:56,376 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:47:56,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float5.c [2024-12-06 00:47:58,983 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/2a4d5204b/17473fee21b149f98d7454044d7d6394/FLAG65a36400f [2024-12-06 00:47:59,155 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:47:59,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/sv-benchmarks/c/floats-cbmc-regression/float5.c [2024-12-06 00:47:59,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/2a4d5204b/17473fee21b149f98d7454044d7d6394/FLAG65a36400f [2024-12-06 00:47:59,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/2a4d5204b/17473fee21b149f98d7454044d7d6394 [2024-12-06 00:47:59,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:47:59,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:47:59,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:59,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:47:59,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:47:59,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314afadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59, skipping insertion in model container [2024-12-06 00:47:59,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:47:59,683 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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/sv-benchmarks/c/floats-cbmc-regression/float5.c[501,514] [2024-12-06 00:47:59,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:59,693 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:47:59,702 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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/sv-benchmarks/c/floats-cbmc-regression/float5.c[501,514] [2024-12-06 00:47:59,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:59,712 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:47:59,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59 WrapperNode [2024-12-06 00:47:59,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:59,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:59,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:47:59,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:47:59,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,735 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-12-06 00:47:59,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:59,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:47:59,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:47:59,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:47:59,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,745 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:47:59,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:47:59,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:47:59,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:47:59,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:59,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:47:59,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:47:59,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:47:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:47:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:47:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:47:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:47:59,838 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:47:59,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:47:59,899 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-12-06 00:47:59,899 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:47:59,933 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:47:59,933 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:47:59,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:59 BoogieIcfgContainer [2024-12-06 00:47:59,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:47:59,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:47:59,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:47:59,942 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:47:59,942 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:59" (1/1) ... [2024-12-06 00:47:59,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:47:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 00:47:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 00:48:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:48:00,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:00,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:48:00,076 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:48:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:48:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:48:00,114 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:48:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:48:00,126 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:48:00,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:48:00 ImpRootNode [2024-12-06 00:48:00,137 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:48:00,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:48:00,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:48:00,138 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:48:00,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:59" (3/4) ... [2024-12-06 00:48:00,140 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:48:00,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:48:00,141 INFO L158 Benchmark]: Toolchain (without parser) took 590.84ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 60.2MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:48:00,141 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:00,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.32ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:00,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.94ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:00,142 INFO L158 Benchmark]: Boogie Preprocessor took 12.87ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 622.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:00,143 INFO L158 Benchmark]: RCFGBuilder took 183.93ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 70.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:00,143 INFO L158 Benchmark]: CodeCheck took 203.26ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 60.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:00,143 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 60.2MB in the end (delta: 292.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:00,145 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: 14]: 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 14, overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 12. Possible FailurePath: [L8] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L8] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L10] COND FALSE !(!(a==1 || a==0.5 || a==2 || a==3 || a==0.1)) [L11] b=a [L12] a/=2 [L13] a*=2 [L14] COND TRUE !(a==b) [L14] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.32ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.94ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.87ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 622.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 183.93ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 70.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 203.26ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 60.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 60.2MB in the end (delta: 292.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:48:00,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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 0fe8fc4355a4e8558a06e9516fd8b9c3e5a636112d9ce6a006f4aad85245907d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:48:02,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:48:02,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:48:02,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:48:02,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:48:02,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:48:02,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:48:02,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:48:02,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:48:02,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:48:02,426 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:48:02,427 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:48:02,427 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:48:02,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:48:02,427 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:48:02,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:48:02,427 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:48:02,427 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:48:02,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:48:02,428 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:02,428 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:48:02,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:48:02,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:48:02,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:48:02,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:48:02,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:48:02,429 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:48:02,429 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:02,429 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:48:02,429 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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/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 -> 0fe8fc4355a4e8558a06e9516fd8b9c3e5a636112d9ce6a006f4aad85245907d [2024-12-06 00:48:02,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:48:02,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:48:02,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:48:02,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:48:02,718 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:48:02,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float5.c [2024-12-06 00:48:06,054 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/c07a36b66/54c023b0058d4dcb8e4f4321c70927df/FLAG8ab05b178 [2024-12-06 00:48:06,255 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:48:06,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/sv-benchmarks/c/floats-cbmc-regression/float5.c [2024-12-06 00:48:06,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/c07a36b66/54c023b0058d4dcb8e4f4321c70927df/FLAG8ab05b178 [2024-12-06 00:48:06,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/data/c07a36b66/54c023b0058d4dcb8e4f4321c70927df [2024-12-06 00:48:06,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:48:06,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:48:06,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:48:06,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:48:06,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:48:06,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da54d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06, skipping insertion in model container [2024-12-06 00:48:06,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:48:06,480 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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/sv-benchmarks/c/floats-cbmc-regression/float5.c[501,514] [2024-12-06 00:48:06,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:48:06,498 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:48:06,510 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_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/sv-benchmarks/c/floats-cbmc-regression/float5.c[501,514] [2024-12-06 00:48:06,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:48:06,521 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:48:06,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06 WrapperNode [2024-12-06 00:48:06,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:48:06,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:48:06,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:48:06,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:48:06,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,547 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-12-06 00:48:06,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:48:06,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:48:06,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:48:06,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:48:06,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:48:06,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:48:06,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:48:06,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:48:06,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:48:06" (1/1) ... [2024-12-06 00:48:06,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:48:06,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:48:06,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:48:06,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:48:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:48:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:48:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:48:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:48:06,698 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:48:06,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:48:07,414 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 00:48:07,414 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:48:07,468 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:48:07,468 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:48:07,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:48:07 BoogieIcfgContainer [2024-12-06 00:48:07,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:48:07,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:48:07,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:48:07,481 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:48:07,481 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:48:07" (1/1) ... [2024-12-06 00:48:07,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:48:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 00:48:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 00:48:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:48:07,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:07,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:07,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:48:07,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:48:07,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:48:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:07,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:48:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:08,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:48:08,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:48:19,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:48:26,486 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:48:27,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:48:29,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:48:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 00:48:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 00:48:29,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:48:29,528 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 00:48:29,533 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:48:33,559 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:48:33,560 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2024-12-06 00:48:33,560 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32)))) (and (= (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~b~0#1| .cse0) .cse0) |ULTIMATE.start_main_~a~0#1|) (or (fp.eq |ULTIMATE.start_main_~b~0#1| ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (fp.eq ((_ to_fp 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~b~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0))) (fp.eq |ULTIMATE.start_main_~b~0#1| ((_ to_fp 8 24) roundNearestTiesToEven (_ bv3 32))) (fp.eq |ULTIMATE.start_main_~b~0#1| .cse0)))) [2024-12-06 00:48:33,560 INFO L75 FloydHoareUtils]: For program point L14-1(line 14) no Hoare annotation was computed. [2024-12-06 00:48:33,560 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:48:33,560 INFO L77 FloydHoareUtils]: At program point L6(lines 6 15) the Hoare annotation is: true [2024-12-06 00:48:33,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:48:33 ImpRootNode [2024-12-06 00:48:33,563 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:48:33,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:48:33,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:48:33,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:48:33,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:48:07" (3/4) ... [2024-12-06 00:48:33,566 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:48:33,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 00:48:33,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 00:48:33,571 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 00:48:33,571 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:48:33,622 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:48:33,623 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:48:33,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:48:33,624 INFO L158 Benchmark]: Toolchain (without parser) took 27336.53ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 53.8MB in the end (delta: 15.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-12-06 00:48:33,624 INFO L158 Benchmark]: CDTParser took 0.34ms. 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 00:48:33,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.53ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 58.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:48:33,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.03ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:33,625 INFO L158 Benchmark]: Boogie Preprocessor took 19.27ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.3MB in the end (delta: 920.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:33,625 INFO L158 Benchmark]: RCFGBuilder took 901.83ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 45.0MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:48:33,625 INFO L158 Benchmark]: CodeCheck took 26093.00ms. Allocated memory is still 92.3MB. Free memory was 45.0MB in the beginning and 58.2MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:33,626 INFO L158 Benchmark]: Witness Printer took 59.49ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 53.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:48:33,628 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: 22.0s, 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, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 2.9s 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, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 14]: 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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.53ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 58.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.03ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.27ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.3MB in the end (delta: 920.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 901.83ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 45.0MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26093.00ms. Allocated memory is still 92.3MB. Free memory was 45.0MB in the beginning and 58.2MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.49ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 53.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:48:33,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5a7cc9-ace9-4663-8af9-dec008e2a4f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE