./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:00,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:00,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:10:00,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:00,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:00,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:00,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:00,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:00,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:00,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:00,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:00,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:00,599 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:00,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:00,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:00,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:00,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:00,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:00,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:00,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:00,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:00,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:00,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:00,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:00,609 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:00,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:00,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:00,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:00,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:00,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:00,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:00,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:00,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:00,615 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 [2023-11-24 23:10:00,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:01,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:01,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:01,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:01,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:01,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-24 23:10:04,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:04,687 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:04,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-24 23:10:04,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data/bb087099d/ea8c89604b104ae49ce10c3554e5b25b/FLAGc23f514d0 [2023-11-24 23:10:04,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data/bb087099d/ea8c89604b104ae49ce10c3554e5b25b [2023-11-24 23:10:04,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:04,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:04,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:04,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:04,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:04,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:04" (1/1) ... [2023-11-24 23:10:04,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286c74ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:04, skipping insertion in model container [2023-11-24 23:10:04,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:04" (1/1) ... [2023-11-24 23:10:04,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:05,004 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-24 23:10:05,024 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-24 23:10:05,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:05,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:05,071 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-24 23:10:05,079 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-24 23:10:05,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:05,111 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:05,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05 WrapperNode [2023-11-24 23:10:05,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:05,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:05,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:05,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:05,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,158 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 173 [2023-11-24 23:10:05,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:05,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:05,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:05,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:05,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:05,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:05,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:05,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:05,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:05,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:05,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:05,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:05,410 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:05,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:05,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:05,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:05,806 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:05,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:05 BoogieIcfgContainer [2023-11-24 23:10:05,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:05,809 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:05,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:05,821 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:05,822 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:05" (1/1) ... [2023-11-24 23:10:05,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-24 23:10:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-24 23:10:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:05,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:05,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:05,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:06,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:06,154 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:10:06,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:06 ImpRootNode [2023-11-24 23:10:06,205 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:06,206 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:06,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:06,207 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:06,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:05" (3/4) ... [2023-11-24 23:10:06,210 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:06,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:06,214 INFO L158 Benchmark]: Toolchain (without parser) took 1493.65ms. Allocated memory is still 195.0MB. Free memory was 160.1MB in the beginning and 112.9MB in the end (delta: 47.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:06,214 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 151.0MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:06,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.86ms. Allocated memory is still 195.0MB. Free memory was 160.1MB in the beginning and 147.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:10:06,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.31ms. Allocated memory is still 195.0MB. Free memory was 147.8MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:06,216 INFO L158 Benchmark]: Boogie Preprocessor took 31.43ms. Allocated memory is still 195.0MB. Free memory was 145.7MB in the beginning and 144.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:06,217 INFO L158 Benchmark]: RCFGBuilder took 616.41ms. Allocated memory is still 195.0MB. Free memory was 144.4MB in the beginning and 127.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:10:06,218 INFO L158 Benchmark]: CodeCheck took 396.69ms. Allocated memory is still 195.0MB. Free memory was 127.6MB in the beginning and 113.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:10:06,219 INFO L158 Benchmark]: Witness Printer took 6.14ms. Allocated memory is still 195.0MB. Free memory was 113.8MB in the beginning and 112.9MB in the end (delta: 809.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:06,223 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 0.42ms. Allocated memory is still 151.0MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.86ms. Allocated memory is still 195.0MB. Free memory was 160.1MB in the beginning and 147.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.31ms. Allocated memory is still 195.0MB. Free memory was 147.8MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.43ms. Allocated memory is still 195.0MB. Free memory was 145.7MB in the beginning and 144.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.41ms. Allocated memory is still 195.0MB. Free memory was 144.4MB in the beginning and 127.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 396.69ms. Allocated memory is still 195.0MB. Free memory was 127.6MB in the beginning and 113.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.14ms. Allocated memory is still 195.0MB. Free memory was 113.8MB in the beginning and 112.9MB in the end (delta: 809.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:10:06,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:09,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:09,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:10:09,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:09,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:09,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:09,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:09,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:09,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:09,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:09,367 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:09,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:09,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:09,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:09,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:09,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:09,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:10:09,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:10:09,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:10:09,373 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:09,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:09,374 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:09,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:09,375 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:09,375 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:09,376 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:09,376 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:09,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:09,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:09,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:09,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:09,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:09,380 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:10:09,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:09,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:09,381 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:10:09,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:09,382 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 [2023-11-24 23:10:09,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:09,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:09,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:09,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:09,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:09,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-24 23:10:13,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:13,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:13,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-24 23:10:13,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data/a0584d890/8e248a655c9c4b5daa4824d5e42e8821/FLAG70c0498a9 [2023-11-24 23:10:13,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/data/a0584d890/8e248a655c9c4b5daa4824d5e42e8821 [2023-11-24 23:10:13,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:13,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:13,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:13,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:13,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:13,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:13" (1/1) ... [2023-11-24 23:10:13,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646bb30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:13, skipping insertion in model container [2023-11-24 23:10:13,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:13" (1/1) ... [2023-11-24 23:10:13,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:13,957 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-24 23:10:13,984 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-24 23:10:14,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:14,030 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:14,070 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[1545,1558] [2023-11-24 23:10:14,081 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_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c[2749,2762] [2023-11-24 23:10:14,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:14,125 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:14,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14 WrapperNode [2023-11-24 23:10:14,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:14,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:14,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:14,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:14,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,224 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 174 [2023-11-24 23:10:14,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:14,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:14,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:14,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:14,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:14,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:14,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:14,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:14,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:14,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:14,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:14,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:10:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:14,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:14,619 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:14,622 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:17,353 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:17,415 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:17,415 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:17,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:17 BoogieIcfgContainer [2023-11-24 23:10:17,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:17,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:17,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:17,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:17,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:17,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-24 23:10:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-24 23:10:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:17,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:17,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:17,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:17,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:17,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:10:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:17,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:19,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:10:19,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:50,658 WARN L293 SmtUtils]: Spent 7.32s 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) [2023-11-24 23:10:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:50,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22455e2b-a6d1-4167-ae4f-bdc32a9d4019/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0