./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i --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_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/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_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/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_997b4d98-bea8-487b-96cc-720c03e77c50/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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:00,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:00,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:00,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:01,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:01,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:01,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:01,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:01,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:01,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:01,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:01,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:01,048 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:01,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:01,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:01,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:01,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:01,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:01,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:01,052 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:01,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:01,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:01,055 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:01,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:01,056 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:01,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:01,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:01,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:01,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:01,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:01,059 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:01,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:01,060 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:01,060 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_997b4d98-bea8-487b-96cc-720c03e77c50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2023-11-24 23:05:01,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:01,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:01,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:01,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:01,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:01,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-24 23:05:04,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:04,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:04,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-24 23:05:04,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data/2547a36b2/5bb2ddcd88a4435ab3dfffcff6f23cf7/FLAGf5645d777 [2023-11-24 23:05:04,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data/2547a36b2/5bb2ddcd88a4435ab3dfffcff6f23cf7 [2023-11-24 23:05:04,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:04,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:04,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:04,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:04,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:04,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:04" (1/1) ... [2023-11-24 23:05:04,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f74a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:04, skipping insertion in model container [2023-11-24 23:05:04,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:04" (1/1) ... [2023-11-24 23:05:04,894 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:05,115 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_997b4d98-bea8-487b-96cc-720c03e77c50/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-24 23:05:05,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:05,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:05,148 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_997b4d98-bea8-487b-96cc-720c03e77c50/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-24 23:05:05,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:05,163 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:05,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05 WrapperNode [2023-11-24 23:05:05,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:05,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:05,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:05,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:05,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,199 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-11-24 23:05:05,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:05,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:05,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:05,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:05,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:05,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:05,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:05,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:05,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:05,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:05,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:05,393 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:05,395 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:05,491 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:05,540 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:05,541 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:05,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:05 BoogieIcfgContainer [2023-11-24 23:05:05,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:05,544 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:05,544 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:05,555 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:05,556 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:05:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:05:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:05:05,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:05,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:05,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:05,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:05,838 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:05:05,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:05 ImpRootNode [2023-11-24 23:05:05,869 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:05,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:05,873 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:05,873 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:05,874 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:05" (3/4) ... [2023-11-24 23:05:05,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:05,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:05,882 INFO L158 Benchmark]: Toolchain (without parser) took 1023.42ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 127.0MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:05,883 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 111.1MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:05,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.21ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 108.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,887 INFO L158 Benchmark]: Boogie Preprocessor took 21.50ms. Allocated memory is still 159.4MB. Free memory was 107.0MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:05,888 INFO L158 Benchmark]: RCFGBuilder took 320.50ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 95.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:05,889 INFO L158 Benchmark]: CodeCheck took 325.47ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 127.0MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:05,890 INFO L158 Benchmark]: Witness Printer took 7.99ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 127.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:05,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L42] CALL, EXPR f(IN) [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) [L42] CALL, EXPR fp(IN) [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 111.1MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.21ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 108.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.50ms. Allocated memory is still 159.4MB. Free memory was 107.0MB in the beginning and 105.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.50ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 95.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 325.47ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 127.0MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.99ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 127.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:05:05,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/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_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/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_997b4d98-bea8-487b-96cc-720c03e77c50/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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:08,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:08,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:05:08,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:08,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:08,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:08,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:08,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:08,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:08,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:08,888 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:08,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:08,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:08,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:08,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:08,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:08,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:08,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:08,894 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:08,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:08,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:08,898 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:08,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:08,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:08,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:08,900 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:08,900 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:08,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:08,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:08,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:08,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:08,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:08,904 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:08,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:08,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:08,905 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:08,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:08,906 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_997b4d98-bea8-487b-96cc-720c03e77c50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2023-11-24 23:05:09,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:09,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:09,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:09,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:09,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:09,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-24 23:05:12,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:12,928 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:12,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-24 23:05:12,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data/91196e1cb/4ed8a32785554bd1b8b6d6b3af423869/FLAGb4def6ce3 [2023-11-24 23:05:12,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/data/91196e1cb/4ed8a32785554bd1b8b6d6b3af423869 [2023-11-24 23:05:12,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:12,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:12,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:12,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:12,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:12,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:12" (1/1) ... [2023-11-24 23:05:12,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75534ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:12, skipping insertion in model container [2023-11-24 23:05:12,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:12" (1/1) ... [2023-11-24 23:05:13,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:13,239 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_997b4d98-bea8-487b-96cc-720c03e77c50/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-24 23:05:13,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:13,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:13,313 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_997b4d98-bea8-487b-96cc-720c03e77c50/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-24 23:05:13,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:13,336 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:13,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13 WrapperNode [2023-11-24 23:05:13,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:13,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:13,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:13,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:13,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,384 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2023-11-24 23:05:13,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:13,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:13,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:13,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:13,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:13,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:13,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:13,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:13,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:13,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:13,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:13,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:13,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:13,644 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:13,647 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:35,101 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:35,176 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:35,187 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:35,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:35 BoogieIcfgContainer [2023-11-24 23:05:35,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:35,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:35,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:35,205 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:35,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:35" (1/1) ... [2023-11-24 23:05:35,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-24 23:05:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-24 23:05:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:05:35,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:35,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:35,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:35,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:35,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997b4d98-bea8-487b-96cc-720c03e77c50/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process