./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3 --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 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:39:40,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:39:40,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:39:40,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:39:40,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:39:40,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:39:40,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:39:40,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:39:40,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:39:40,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:39:40,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:39:40,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:39:40,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:39:40,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:39:40,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:39:40,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:39:40,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:39:40,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:39:40,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:39:40,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:39:40,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:39:40,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:39:40,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:39:40,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:39:40,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:39:40,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:39:40,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:39:40,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:40,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:39:40,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:39:40,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:39:40,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:39:40,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:39:40,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b [2024-11-25 03:39:41,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:39:41,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:39:41,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:39:41,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:39:41,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:39:41,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-11-25 03:39:44,270 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/d5b60c975/0496d5c63cff4d34968937a1fe9b56c1/FLAGb264353f4 [2024-11-25 03:39:44,570 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:39:44,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-11-25 03:39:44,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/d5b60c975/0496d5c63cff4d34968937a1fe9b56c1/FLAGb264353f4 [2024-11-25 03:39:44,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/d5b60c975/0496d5c63cff4d34968937a1fe9b56c1 [2024-11-25 03:39:44,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:39:44,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:39:44,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:44,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:39:44,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:39:44,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a4e9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44, skipping insertion in model container [2024-11-25 03:39:44,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:39:44,801 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-25 03:39:44,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:44,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:39:44,864 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-25 03:39:44,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:44,900 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:39:44,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44 WrapperNode [2024-11-25 03:39:44,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:44,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:44,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:39:44,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:39:44,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,944 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-25 03:39:44,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:44,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:39:44,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:39:44,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:39:44,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,959 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:39:44,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:39:44,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:39:44,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:39:44,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:44" (1/1) ... [2024-11-25 03:39:44,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:45,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:39:45,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:39:45,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:39:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:39:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:39:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:39:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:39:45,152 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:39:45,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:39:45,312 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-25 03:39:45,312 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:39:45,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:39:45,421 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:39:45,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:45 BoogieIcfgContainer [2024-11-25 03:39:45,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:39:45,424 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:39:45,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:39:45,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:39:45,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:45" (1/1) ... [2024-11-25 03:39:45,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:39:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:39:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:39:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:39:45,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:45,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:45,663 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:39:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:45,766 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:39:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:39:45,829 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:39:45,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:39:45 ImpRootNode [2024-11-25 03:39:45,860 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:39:45,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:39:45,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:39:45,862 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:39:45,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:39:45" (3/4) ... [2024-11-25 03:39:45,865 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:39:45,866 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:39:45,867 INFO L158 Benchmark]: Toolchain (without parser) took 1268.89ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 78.8MB in the end (delta: 39.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:39:45,867 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:39:45,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.56ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 106.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:39:45,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.14ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:39:45,869 INFO L158 Benchmark]: Boogie Preprocessor took 22.01ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 785.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:39:45,872 INFO L158 Benchmark]: RCFGBuilder took 453.29ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 91.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:39:45,872 INFO L158 Benchmark]: CodeCheck took 436.70ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 79.1MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:39:45,873 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 78.8MB in the end (delta: 246.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:39:45,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 20]: 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 someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticDOUBLEoperation at line 28, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, r; [L51] d = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(d >= 0.1 && d <= 20.0) [L18] COND FALSE !(!cond) [L52] RET assume_abort_if_not(d >= 0.1 && d <= 20.0) [L54] CALL, EXPR SqrtR(d) [L26] double xn, xnp1, residu, lsup, linf; [L27] int i, cond; [L28] COND FALSE !(Input <= 1.0) [L28] xn = 1.0/Input [L29] xnp1 = xn [L30] residu = 2.0*_EPS*(xn+xnp1) [L31] lsup = _EPS * (xn+xnp1) [L32] linf = -lsup [L33] cond = ((residu > lsup) || (residu < linf)) [L34] i = 0 VAL [_EPS=1/1000000, cond=0, i=0] [L35] COND FALSE !(\read(cond)) [L44] return 1.0 / xnp1; [L54] RET, EXPR SqrtR(d) [L54] r = SqrtR(d) [L56] CALL __VERIFIER_assert(r >= 0.3 && r <= 5.) [L20] COND TRUE !(cond) VAL [_EPS=1/1000000] [L20] reach_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.56ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 106.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.14ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.01ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 785.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.29ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 91.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 436.70ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 79.1MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 78.8MB in the end (delta: 246.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:39:45,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3 --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 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:39:49,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:39:49,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:39:49,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:39:49,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:39:49,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:39:49,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:39:49,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:39:49,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:39:49,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:39:49,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:39:49,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:39:49,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:39:49,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:39:49,421 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:39:49,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:39:49,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:39:49,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:39:49,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:39:49,424 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:39:49,424 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:39:49,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:39:49,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:49,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:39:49,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:39:49,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:39:49,425 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:39:49,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:39:49,425 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:39:49,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b [2024-11-25 03:39:49,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:39:49,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:39:49,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:39:49,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:39:49,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:39:49,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-11-25 03:39:53,281 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/05d9c0fd5/6fc16597876f49b782b4ec984e4eb780/FLAGfbad31ac6 [2024-11-25 03:39:53,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:39:53,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-11-25 03:39:53,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/05d9c0fd5/6fc16597876f49b782b4ec984e4eb780/FLAGfbad31ac6 [2024-11-25 03:39:53,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/data/05d9c0fd5/6fc16597876f49b782b4ec984e4eb780 [2024-11-25 03:39:53,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:39:53,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:39:53,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:53,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:39:53,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:39:53,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:53" (1/1) ... [2024-11-25 03:39:53,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e314b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:53, skipping insertion in model container [2024-11-25 03:39:53,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:39:53" (1/1) ... [2024-11-25 03:39:53,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:39:53,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-25 03:39:53,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:53,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:39:53,963 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-11-25 03:39:53,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:39:54,011 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:39:54,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54 WrapperNode [2024-11-25 03:39:54,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:39:54,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:54,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:39:54,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:39:54,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,061 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-25 03:39:54,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:39:54,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:39:54,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:39:54,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:39:54,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,098 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:39:54,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:39:54,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:39:54,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:39:54,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:39:54" (1/1) ... [2024-11-25 03:39:54,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:39:54,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:39:54,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:39:54,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:39:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:39:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:39:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:39:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:39:54,277 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:39:54,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:40:19,293 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 03:40:19,293 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:40:19,447 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:40:19,447 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:40:19,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:19 BoogieIcfgContainer [2024-11-25 03:40:19,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:40:19,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:40:19,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:40:19,460 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:40:19,460 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:19" (1/1) ... [2024-11-25 03:40:19,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:40:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:40:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:40:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:40:19,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:19,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:19,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:19,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:19,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:40:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:23,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:40:33,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:40:33,884 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:40:33,891 INFO L158 Benchmark]: Toolchain (without parser) took 40270.49ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 58.7MB in the end (delta: 2.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,891 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:33,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.40ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 48.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:33,894 INFO L158 Benchmark]: Boogie Preprocessor took 53.63ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 46.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:33,895 INFO L158 Benchmark]: RCFGBuilder took 25331.01ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 29.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,895 INFO L158 Benchmark]: CodeCheck took 14439.92ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 58.7MB in the end (delta: -29.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-25 03:40:33,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.40ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 48.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.09ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.63ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 46.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 25331.01ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 29.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14439.92ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 58.7MB in the end (delta: -29.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:40:34,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8125962e-68f4-44b4-b18f-8f517d74f559/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown