./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i --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_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/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_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/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_7ab8d024-ddf2-4c19-bede-28b7501d8448/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 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:36:05,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:36:05,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:36:05,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:36:05,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:36:05,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:36:05,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:36:05,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:36:05,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:36:05,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:36:05,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:36:05,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:36:05,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:36:05,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:36:05,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:36:05,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:36:05,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:36:05,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:36:05,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:36:05,816 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:36:05,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:36:05,816 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_7ab8d024-ddf2-4c19-bede-28b7501d8448/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 -> 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d [2024-12-06 01:36:06,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:36:06,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:36:06,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:36:06,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:36:06,063 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:36:06,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2024-12-06 01:36:08,701 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/c2546a11d/0978787bce044e6dbf992313ec0077f1/FLAGbc37ec0b9 [2024-12-06 01:36:08,896 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:36:08,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2024-12-06 01:36:08,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/c2546a11d/0978787bce044e6dbf992313ec0077f1/FLAGbc37ec0b9 [2024-12-06 01:36:09,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/c2546a11d/0978787bce044e6dbf992313ec0077f1 [2024-12-06 01:36:09,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:36:09,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:36:09,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:36:09,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:36:09,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:36:09,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af5b105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09, skipping insertion in model container [2024-12-06 01:36:09,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:36:09,390 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_7ab8d024-ddf2-4c19-bede-28b7501d8448/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-12-06 01:36:09,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:36:09,406 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:36:09,413 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_7ab8d024-ddf2-4c19-bede-28b7501d8448/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-12-06 01:36:09,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:36:09,425 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:36:09,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09 WrapperNode [2024-12-06 01:36:09,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:36:09,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:36:09,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:36:09,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:36:09,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,448 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-06 01:36:09,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:36:09,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:36:09,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:36:09,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:36:09,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,457 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:36:09,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:36:09,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:36:09,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:36:09,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:36:09,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:36:09,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:36:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:36:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:36:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:36:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:36:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:36:09,562 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:36:09,564 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:36:09,630 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:36:09,630 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:36:09,654 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:36:09,654 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:36:09,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:09 BoogieIcfgContainer [2024-12-06 01:36:09,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:36:09,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:36:09,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:36:09,665 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:36:09,665 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:09" (1/1) ... [2024-12-06 01:36:09,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:36:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:36:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:36:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:36:09,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:09,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:36:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:36:09,784 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:36:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:36:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:36:09,815 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:36:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:36:09,824 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:36:09,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:36:09 ImpRootNode [2024-12-06 01:36:09,836 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:36:09,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:36:09,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:36:09,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:36:09,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:09" (3/4) ... [2024-12-06 01:36:09,839 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:36:09,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:36:09,840 INFO L158 Benchmark]: Toolchain (without parser) took 558.95ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 60.5MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:36:09,841 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:09,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.83ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:09,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.04ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 827.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:09,842 INFO L158 Benchmark]: Boogie Preprocessor took 13.61ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 886.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:09,842 INFO L158 Benchmark]: RCFGBuilder took 191.87ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:09,843 INFO L158 Benchmark]: CodeCheck took 180.37ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 60.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:09,843 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 60.5MB in the end (delta: 267.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:09,846 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, 7 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: 13]: 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 23, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L20] float x = 1.0f; [L21] float x1 = x/1.6f; [L23] COND FALSE !(x1 != x) [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.83ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.04ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 827.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.61ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 886.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 191.87ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 180.37ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 60.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 60.5MB in the end (delta: 267.4kB). 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 01:36:09,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/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_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/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_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/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_7ab8d024-ddf2-4c19-bede-28b7501d8448/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 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:36:11,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:36:11,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:36:11,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:36:11,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:36:11,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:36:11,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:36:11,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:36:11,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:36:11,878 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:36:11,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:36:11,879 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:36:11,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:36:11,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:36:11,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:36:11,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:36:11,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:36:11,880 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:36:11,880 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:36:11,880 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:36:11,880 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_7ab8d024-ddf2-4c19-bede-28b7501d8448/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 -> 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d [2024-12-06 01:36:12,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:36:12,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:36:12,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:36:12,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:36:12,109 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:36:12,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2024-12-06 01:36:14,748 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/3845215a0/bf6c7c74a44a40b693f7779b8bb4fc0a/FLAG2dbbe77cc [2024-12-06 01:36:14,946 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:36:14,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2024-12-06 01:36:14,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/3845215a0/bf6c7c74a44a40b693f7779b8bb4fc0a/FLAG2dbbe77cc [2024-12-06 01:36:15,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/data/3845215a0/bf6c7c74a44a40b693f7779b8bb4fc0a [2024-12-06 01:36:15,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:36:15,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:36:15,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:36:15,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:36:15,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:36:15,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7643a07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15, skipping insertion in model container [2024-12-06 01:36:15,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:36:15,450 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_7ab8d024-ddf2-4c19-bede-28b7501d8448/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-12-06 01:36:15,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:36:15,468 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:36:15,476 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_7ab8d024-ddf2-4c19-bede-28b7501d8448/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-12-06 01:36:15,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:36:15,490 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:36:15,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15 WrapperNode [2024-12-06 01:36:15,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:36:15,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:36:15,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:36:15,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:36:15,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,514 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-12-06 01:36:15,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:36:15,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:36:15,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:36:15,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:36:15,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:36:15,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:36:15,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:36:15,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:36:15,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:15,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:36:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:36:15,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:36:15,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:36:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:36:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:36:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:36:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:36:15,638 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:36:15,639 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:36:15,958 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:36:15,958 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:36:15,987 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:36:15,987 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:36:15,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:15 BoogieIcfgContainer [2024-12-06 01:36:15,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:36:15,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:36:15,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:36:15,998 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:36:15,998 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:15" (1/1) ... [2024-12-06 01:36:16,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:36:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:36:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:36:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:36:16,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:16,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:36:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:36:16,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:36:16,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:36:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:16,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:36:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:16,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:36:16,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:36:16,777 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 01:36:16,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:36:18,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:36:20,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:36:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:36:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:36:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:36:20,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:20,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:36:20,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:36:20,585 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:36:20,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:36:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:21,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:36:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:23,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:36:23,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:36:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:36:28,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:36:36,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:36:58,132 WARN L286 SmtUtils]: Spent 11.20s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:37:12,027 WARN L286 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:37:13,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:17,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:21,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:22,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:24,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:25,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:29,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:30,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:37,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:37:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:37:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-06 01:37:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-06 01:37:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:37:37,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:37:37,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:37:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:37:37,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:37:37,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:37:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:37:38,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:37:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:37:41,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:37:41,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:38:41,526 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:38:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:38:41,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 01:39:40,303 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:41:01,969 WARN L286 SmtUtils]: Spent 44.57s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:42:34,144 WARN L286 SmtUtils]: Spent 55.89s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:42:35,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:42:38,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:42:40,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:42:44,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:42:54,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.86s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:42:59,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:02,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:05,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:10,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.56s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:16,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:21,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:32,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-06 01:43:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-06 01:43:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:43:32,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:32,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:43:32,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:43:32,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:43:32,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:43:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:33,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:43:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:43,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:43:43,749 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:43:43,752 INFO L158 Benchmark]: Toolchain (without parser) took 448416.28ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-12-06 01:43:43,752 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:43,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.42ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:43:43,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.68ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:43,753 INFO L158 Benchmark]: Boogie Preprocessor took 16.70ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 914.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:43,753 INFO L158 Benchmark]: RCFGBuilder took 455.40ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 46.5MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:43:43,753 INFO L158 Benchmark]: CodeCheck took 447763.62ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 67.8MB in the end (delta: -21.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-12-06 01:43:43,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.42ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.68ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.70ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 914.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.40ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 46.5MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 447763.62ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 67.8MB in the end (delta: -21.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:43:43,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab8d024-ddf2-4c19-bede-28b7501d8448/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown