./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi --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 a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:28,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:28,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:28,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:28,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:28,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:28,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:28,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:28,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:28,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:28,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:28,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:28,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:28,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:28,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:28,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:28,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:28,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:28,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:28,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:28,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:28,169 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:28,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:28,170 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:28,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:28,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:28,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:28,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:28,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:28,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:28,174 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:28,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:28,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:28,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2023-11-24 23:03:28,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:28,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:28,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:28,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:28,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:28,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/nan_double.c [2023-11-24 23:03:31,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:31,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:31,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/sv-benchmarks/c/float-benchs/nan_double.c [2023-11-24 23:03:31,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data/0586408a1/12d92967e20645ec97eebc4d00cdc7e7/FLAGb76c61b9b [2023-11-24 23:03:31,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data/0586408a1/12d92967e20645ec97eebc4d00cdc7e7 [2023-11-24 23:03:31,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:31,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:31,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:31,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:32,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:32,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:32,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d8615e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32, skipping insertion in model container [2023-11-24 23:03:32,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:32,023 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:32,214 WARN L240 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_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2023-11-24 23:03:32,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:32,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:32,245 WARN L240 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_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2023-11-24 23:03:32,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:32,262 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:32,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32 WrapperNode [2023-11-24 23:03:32,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:32,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:32,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:32,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:32,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,297 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2023-11-24 23:03:32,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:32,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:32,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:32,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:32,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:32,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:32,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:32,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:32,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:32,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:32,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:32,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:32,460 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:32,463 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:32,558 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:32,581 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:32,581 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:03:32,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:32 BoogieIcfgContainer [2023-11-24 23:03:32,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:32,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:32,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:32,595 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:32,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:32,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:03:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:03:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:03:32,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:32,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:32,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:32,877 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:03:32,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:32 ImpRootNode [2023-11-24 23:03:32,897 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:32,898 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:32,898 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:32,898 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:32,899 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:32" (3/4) ... [2023-11-24 23:03:32,901 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:32,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:32,919 INFO L158 Benchmark]: Toolchain (without parser) took 924.35ms. Allocated memory is still 148.9MB. Free memory was 119.8MB in the beginning and 86.8MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,920 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:32,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.75ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 109.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.83ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 108.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:32,922 INFO L158 Benchmark]: Boogie Preprocessor took 19.76ms. Allocated memory is still 148.9MB. Free memory was 108.2MB in the beginning and 106.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,923 INFO L158 Benchmark]: RCFGBuilder took 264.84ms. Allocated memory is still 148.9MB. Free memory was 106.9MB in the beginning and 98.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,924 INFO L158 Benchmark]: CodeCheck took 312.96ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 87.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,924 INFO L158 Benchmark]: Witness Printer took 20.57ms. Allocated memory is still 148.9MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:32,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 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 - UnprovableResult [Line: 8]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L15] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.75ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 109.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.83ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 108.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.76ms. Allocated memory is still 148.9MB. Free memory was 108.2MB in the beginning and 106.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.84ms. Allocated memory is still 148.9MB. Free memory was 106.9MB in the beginning and 98.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 312.96ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 87.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 20.57ms. Allocated memory is still 148.9MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:03:32,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi --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 a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:35,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:35,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:03:35,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:35,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:35,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:35,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:35,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:35,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:35,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:35,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:35,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:35,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:35,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:35,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:35,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:35,922 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:03:35,922 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:03:35,923 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:03:35,924 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:35,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:35,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:35,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:35,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:35,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:35,927 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:35,927 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:35,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:35,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:35,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:35,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:35,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:35,931 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:03:35,932 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:35,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:35,932 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:03:35,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:35,933 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2023-11-24 23:03:36,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:36,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:36,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:36,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:36,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:36,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/nan_double.c [2023-11-24 23:03:39,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:39,815 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:39,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/sv-benchmarks/c/float-benchs/nan_double.c [2023-11-24 23:03:39,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data/d480bfa9a/d29887e581e146629882adf1386c1db6/FLAG17e1968de [2023-11-24 23:03:39,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/data/d480bfa9a/d29887e581e146629882adf1386c1db6 [2023-11-24 23:03:39,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:39,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:39,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:39,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:39,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:39,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:39" (1/1) ... [2023-11-24 23:03:39,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529f3312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:39, skipping insertion in model container [2023-11-24 23:03:39,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:39" (1/1) ... [2023-11-24 23:03:39,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:40,040 WARN L240 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_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2023-11-24 23:03:40,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:40,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:40,091 WARN L240 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_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2023-11-24 23:03:40,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:40,114 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:40,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40 WrapperNode [2023-11-24 23:03:40,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:40,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:40,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:40,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:40,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,157 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2023-11-24 23:03:40,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:40,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:40,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:40,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:40,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:40,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:40,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:40,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:40,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:40,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:40,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:40,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:40,421 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:40,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:40,564 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:40,605 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:40,606 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:03:40,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:40 BoogieIcfgContainer [2023-11-24 23:03:40,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:40,609 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:40,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:40,618 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:40,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:40" (1/1) ... [2023-11-24 23:03:40,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:03:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:03:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:03:40,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:40,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:40,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:40,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:40,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ddcf3ef-2bf3-43f8-9081-abf5dadbfb45/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:03:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:40,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat