./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL --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 dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:20,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:20,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:46:20,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:20,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:20,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:20,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:20,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:20,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:20,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:20,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:20,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:20,866 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:20,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:20,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:20,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:20,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:20,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:20,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:20,871 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:20,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:20,872 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:20,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:20,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:20,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:20,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:20,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:20,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:20,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:20,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:20,879 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:20,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:20,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:20,880 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_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 [2023-11-19 02:46:21,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:21,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:21,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:21,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:21,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:21,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-19 02:46:24,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:24,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:24,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-19 02:46:24,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data/4d52b4fec/642c709172c540129747d1533ba4068a/FLAGa019a9c66 [2023-11-19 02:46:24,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data/4d52b4fec/642c709172c540129747d1533ba4068a [2023-11-19 02:46:24,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:24,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:24,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:24,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:24,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:24,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d0bdc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24, skipping insertion in model container [2023-11-19 02:46:24,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:24,668 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-19 02:46:24,680 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-19 02:46:24,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:24,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:24,738 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-19 02:46:24,744 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-19 02:46:24,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:24,766 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:24,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24 WrapperNode [2023-11-19 02:46:24,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:24,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:24,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:24,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:24,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,805 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 173 [2023-11-19 02:46:24,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:24,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:24,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:24,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:24,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:24,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:24,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:24,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:24,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:24,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:24,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:24,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:24,990 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:24,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:25,332 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:25,378 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:25,379 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:46:25,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:25 BoogieIcfgContainer [2023-11-19 02:46:25,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:25,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:25,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:25,396 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:25,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:25" (1/1) ... [2023-11-19 02:46:25,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-19 02:46:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-19 02:46:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:46:25,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,700 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:46:25,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:46:25 ImpRootNode [2023-11-19 02:46:25,760 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:46:25,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:46:25,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:46:25,764 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:46:25,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:25" (3/4) ... [2023-11-19 02:46:25,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:46:25,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:46:25,769 INFO L158 Benchmark]: Toolchain (without parser) took 1310.95ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 94.8MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,770 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:25,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.05ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 128.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.75ms. Allocated memory is still 188.7MB. Free memory was 128.9MB in the beginning and 127.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:25,772 INFO L158 Benchmark]: Boogie Preprocessor took 25.99ms. Allocated memory is still 188.7MB. Free memory was 127.5MB in the beginning and 125.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,773 INFO L158 Benchmark]: RCFGBuilder took 551.21ms. Allocated memory is still 188.7MB. Free memory was 125.7MB in the beginning and 109.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,773 INFO L158 Benchmark]: CodeCheck took 374.88ms. Allocated memory is still 188.7MB. Free memory was 109.5MB in the beginning and 94.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,774 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 188.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:25,787 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, 36 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 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: 70]: 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 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of to_real at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 51. Possible FailurePath: [L1] int __return_main; [L12] int __tmp_160_0; [L13] int __tmp_160_1; [L14] int __tmp_160_2; [L15] int __tmp_142_0; [L16] int __tmp_142_1; [L17] int __tmp_136_0; [L18] int __return_165; [L21] float main__X; [L22] float main__Y; [L23] float main__S; [L24] float main__R; [L25] float main__D; [L26] int main__i; [L27] main__Y = 0 [L28] main__i = 0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__i=0] [L29] COND TRUE main__i < 100000 [L31] main__X = __VERIFIER_nondet_float() [L32] main__D = __VERIFIER_nondet_float() [L33] int main____CPAchecker_TMP_0; VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__i=0] [L34] COND TRUE main__X >= -128.0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__i=0] [L36] COND TRUE main__X <= 128.0 [L38] main____CPAchecker_TMP_0 = 1 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__i=0] [L39] COND TRUE main____CPAchecker_TMP_0 != 0 [L41] int main____CPAchecker_TMP_1; VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__i=0] [L42] COND TRUE main__D >= 0.0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__i=0] [L44] COND TRUE main__D <= 16.0 [L46] main____CPAchecker_TMP_1 = 1 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L47] COND TRUE main____CPAchecker_TMP_1 != 0 [L49] main__S = main__Y [L50] main__Y = main__X [L51] main__R = main__X - main__S [L52] COND FALSE !(main__R <= (-main__D)) [L227] COND FALSE !(main__R >= main__D) [L56] int main____CPAchecker_TMP_2; VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__S=3, main__X=2, main__Y=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L57] COND FALSE !(main__Y >= -129.0) VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__S=3, main__X=2, main__Y=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L216] main____CPAchecker_TMP_2 = 0 VAL [__return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__S=3, main__X=2, main__Y=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L64] int __tmp_1; [L65] __tmp_1 = main____CPAchecker_TMP_2 [L66] int __VERIFIER_assert__cond; [L67] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __tmp_1=0, main__S=3, main__X=2, main__Y=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L68] COND TRUE __VERIFIER_assert__cond == 0 VAL [__VERIFIER_assert__cond=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __tmp_1=0, main__S=3, main__X=2, main__Y=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L70] reach_error() VAL [__VERIFIER_assert__cond=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __tmp_1=0, main__S=3, main__X=2, main__Y=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.05ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 128.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.75ms. Allocated memory is still 188.7MB. Free memory was 128.9MB in the beginning and 127.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.99ms. Allocated memory is still 188.7MB. Free memory was 127.5MB in the beginning and 125.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.21ms. Allocated memory is still 188.7MB. Free memory was 125.7MB in the beginning and 109.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 374.88ms. Allocated memory is still 188.7MB. Free memory was 109.5MB in the beginning and 94.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 188.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:46:25,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL --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 dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:28,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:28,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:46:28,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:28,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:28,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:28,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:28,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:28,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:28,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:28,669 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:28,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:28,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:28,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:28,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:28,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:28,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:46:28,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:46:28,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:46:28,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:28,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:28,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:28,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:28,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:28,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:28,676 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:28,677 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:28,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:28,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:28,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:28,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:28,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:28,680 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:46:28,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:28,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:28,681 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:46:28,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:28,681 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_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 [2023-11-19 02:46:29,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:29,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:29,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:29,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:29,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:29,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-19 02:46:32,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:32,413 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:32,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-19 02:46:32,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data/fb8a7f48b/66f3435c1f1c4534a085078439f686e4/FLAG6769be243 [2023-11-19 02:46:32,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/data/fb8a7f48b/66f3435c1f1c4534a085078439f686e4 [2023-11-19 02:46:32,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:32,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:32,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:32,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:32,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:32,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f697ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32, skipping insertion in model container [2023-11-19 02:46:32,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:32,647 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-19 02:46:32,659 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-19 02:46:32,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:32,693 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:32,726 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-19 02:46:32,736 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_d7509265-685a-414e-a595-d179cb69c739/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-19 02:46:32,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:32,780 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:32,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32 WrapperNode [2023-11-19 02:46:32,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:32,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:32,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:32,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:32,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,893 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 174 [2023-11-19 02:46:32,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:32,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:32,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:32,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:32,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:32,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:32,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:32,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:32,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:32" (1/1) ... [2023-11-19 02:46:32,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:32,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:33,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:33,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:46:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:33,148 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:33,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:34,920 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:34,966 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:34,970 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:46:34,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:34 BoogieIcfgContainer [2023-11-19 02:46:34,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:34,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:34,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:34,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:34,989 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:34" (1/1) ... [2023-11-19 02:46:34,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-19 02:46:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-19 02:46:35,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:46:35,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:35,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:35,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:46:35,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:46:35,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:46:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:35,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:46:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:36,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:36,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:05,054 WARN L293 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 46 DAG size of output: 11 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 02:47:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:05,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7509265-685a-414e-a595-d179cb69c739/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:47:24,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:26,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:29,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []