./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float.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_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/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_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/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_69cd0aab-e672-49bb-942c-3a65d781564c/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 eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:02,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:02,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:10:02,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:02,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:02,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:02,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:02,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:02,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:02,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:02,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:02,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:02,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:02,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:02,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:02,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:02,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:02,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:02,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:02,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:02,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:02,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:02,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:02,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:02,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:02,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:02,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:02,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:02,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:02,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:02,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:02,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:02,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:02,903 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_69cd0aab-e672-49bb-942c-3a65d781564c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e [2023-11-24 23:10:03,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:03,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:03,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:03,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:03,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:03,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/nan_float.c [2023-11-24 23:10:06,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:06,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:06,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/sv-benchmarks/c/float-benchs/nan_float.c [2023-11-24 23:10:06,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data/0edab60d0/f45eb6ee92e74111b67f3594bed0fe02/FLAG1445a0c74 [2023-11-24 23:10:06,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data/0edab60d0/f45eb6ee92e74111b67f3594bed0fe02 [2023-11-24 23:10:06,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:06,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:06,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:06,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:06,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:06,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b32d700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06, skipping insertion in model container [2023-11-24 23:10:06,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:06,876 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_69cd0aab-e672-49bb-942c-3a65d781564c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2023-11-24 23:10:06,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:06,893 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:06,903 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_69cd0aab-e672-49bb-942c-3a65d781564c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2023-11-24 23:10:06,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:06,918 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:06,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06 WrapperNode [2023-11-24 23:10:06,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:06,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:06,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:06,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:06,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,952 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2023-11-24 23:10:06,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:06,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:06,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:06,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:06,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:06,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:06,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:06,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:06,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:06" (1/1) ... [2023-11-24 23:10:06,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:07,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:07,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:07,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:07,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:07,129 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:07,284 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:07,304 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:07,304 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:07,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:07 BoogieIcfgContainer [2023-11-24 23:10:07,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:07,307 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:07,307 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:07,317 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:07,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:07" (1/1) ... [2023-11-24 23:10:07,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:10:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:10:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:10:07,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:07,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:07,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:07,523 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:10:07,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:07 ImpRootNode [2023-11-24 23:10:07,541 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:07,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:07,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:07,542 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:07,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:07" (3/4) ... [2023-11-24 23:10:07,545 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:07,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:07,547 INFO L158 Benchmark]: Toolchain (without parser) took 880.25ms. Allocated memory is still 176.2MB. Free memory was 148.2MB in the beginning and 132.9MB in the end (delta: 15.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-24 23:10:07,548 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:07,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.90ms. Allocated memory is still 176.2MB. Free memory was 148.0MB in the beginning and 141.3MB in the end (delta: 6.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-24 23:10:07,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.88ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 140.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:07,550 INFO L158 Benchmark]: Boogie Preprocessor took 18.47ms. Allocated memory is still 176.2MB. Free memory was 140.0MB in the beginning and 139.2MB in the end (delta: 769.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:07,550 INFO L158 Benchmark]: RCFGBuilder took 333.79ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 143.8MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:10:07,551 INFO L158 Benchmark]: CodeCheck took 233.92ms. Allocated memory is still 176.2MB. Free memory was 143.8MB in the beginning and 133.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:10:07,552 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 132.9MB in the end (delta: 411.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:07,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 8]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15. Possible FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [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 0.34ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.90ms. Allocated memory is still 176.2MB. Free memory was 148.0MB in the beginning and 141.3MB in the end (delta: 6.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.88ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 140.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.47ms. Allocated memory is still 176.2MB. Free memory was 140.0MB in the beginning and 139.2MB in the end (delta: 769.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.79ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 143.8MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 233.92ms. Allocated memory is still 176.2MB. Free memory was 143.8MB in the beginning and 133.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 132.9MB in the end (delta: 411.7kB). 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 23:10:07,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/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_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/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_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/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_69cd0aab-e672-49bb-942c-3a65d781564c/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 eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:10,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:10,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:10:10,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:10,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:10,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:10,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:10,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:10,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:10,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:10,555 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:10,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:10,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:10,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:10,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:10,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:10,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:10:10,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:10:10,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:10:10,561 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:10,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:10,562 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:10,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:10,563 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:10,563 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:10,563 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:10,564 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:10,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:10,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:10,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:10,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:10,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:10,567 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:10:10,567 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:10,568 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:10,568 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:10:10,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:10,568 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_69cd0aab-e672-49bb-942c-3a65d781564c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e [2023-11-24 23:10:11,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:11,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:11,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:11,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:11,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:11,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/nan_float.c [2023-11-24 23:10:14,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:14,645 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:14,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/sv-benchmarks/c/float-benchs/nan_float.c [2023-11-24 23:10:14,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data/fce5d9264/e71782458b12486c83879d4ed3baa55d/FLAG382ab9c95 [2023-11-24 23:10:14,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/data/fce5d9264/e71782458b12486c83879d4ed3baa55d [2023-11-24 23:10:14,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:14,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:14,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:14,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:14,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:14,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9456ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14, skipping insertion in model container [2023-11-24 23:10:14,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:14,895 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_69cd0aab-e672-49bb-942c-3a65d781564c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2023-11-24 23:10:14,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:14,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:14,940 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_69cd0aab-e672-49bb-942c-3a65d781564c/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2023-11-24 23:10:14,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:14,962 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:14,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14 WrapperNode [2023-11-24 23:10:14,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:14,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:14,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:14,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:14,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,001 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2023-11-24 23:10:15,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:15,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:15,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:15,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:15,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:15,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:15,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:15,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:15,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:15,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:15,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:15,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:15,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:10:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:15,248 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:15,251 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:15,385 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:15,424 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:15,427 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:15,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:15 BoogieIcfgContainer [2023-11-24 23:10:15,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:15,430 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:15,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:15,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:15,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:15,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:10:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:10:15,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:10:15,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:15,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:15,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:15,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:15,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cd0aab-e672-49bb-942c-3a65d781564c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:10:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:15,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat