./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk --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 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:48:36,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:48:36,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:48:36,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:48:36,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:48:36,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:48:36,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:48:36,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:48:36,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:48:36,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:48:36,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:48:36,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:48:36,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:48:36,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:48:36,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:48:36,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:48:36,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:48:36,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:48:36,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:48:36,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:48:36,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:48:36,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:48:36,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:48:36,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:48:36,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:48:36,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:48:36,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:48:36,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:36,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:48:36,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:48:36,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:48:36,532 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:48:36,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:48:36,532 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_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e [2024-11-08 22:48:36,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:48:36,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:48:36,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:48:36,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:48:36,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:48:36,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i Unable to find full path for "g++" [2024-11-08 22:48:39,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:48:39,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:48:39,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2024-11-08 22:48:39,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data/173784156/2ec4d46c38d74b5f974648cf0d3f0c2f/FLAG9a24285e8 [2024-11-08 22:48:39,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data/173784156/2ec4d46c38d74b5f974648cf0d3f0c2f [2024-11-08 22:48:39,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:48:39,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:48:39,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:39,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:48:39,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:48:39,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13502442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39, skipping insertion in model container [2024-11-08 22:48:39,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:48:39,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2024-11-08 22:48:39,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:39,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:48:39,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2024-11-08 22:48:39,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:39,745 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:48:39,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39 WrapperNode [2024-11-08 22:48:39,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:39,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:39,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:48:39,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:48:39,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,785 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2024-11-08 22:48:39,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:39,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:48:39,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:48:39,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:48:39,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:48:39,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:48:39,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:48:39,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:48:39,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:39" (1/1) ... [2024-11-08 22:48:39,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:39,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:48:39,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:48:39,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:48:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:48:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:48:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:48:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:48:39,974 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:48:39,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:48:40,123 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-08 22:48:40,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:48:40,195 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:48:40,195 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:48:40,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:40 BoogieIcfgContainer [2024-11-08 22:48:40,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:48:40,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:48:40,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:48:40,218 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:48:40,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:40" (1/1) ... [2024-11-08 22:48:40,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:48:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:40,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:48:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:48:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:48:40,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:40,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:48:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:40,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:40,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:40,471 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:48:40,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:48:40 ImpRootNode [2024-11-08 22:48:40,493 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:48:40,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:48:40,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:48:40,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:48:40,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:40" (3/4) ... [2024-11-08 22:48:40,500 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:48:40,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:48:40,504 INFO L158 Benchmark]: Toolchain (without parser) took 1123.20ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 85.5MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:48:40,505 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:40,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.56ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 110.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:48:40,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 109.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:48:40,507 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:40,509 INFO L158 Benchmark]: RCFGBuilder took 384.15ms. Allocated memory is still 165.7MB. Free memory was 108.0MB in the beginning and 96.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:48:40,510 INFO L158 Benchmark]: CodeCheck took 292.18ms. Allocated memory is still 165.7MB. Free memory was 96.6MB in the beginning and 86.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:48:40,511 INFO L158 Benchmark]: Witness Printer took 7.34ms. Allocated memory is still 165.7MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:40,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 > -1.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [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 0.31ms. Allocated memory is still 134.2MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.56ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 110.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 109.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.15ms. Allocated memory is still 165.7MB. Free memory was 108.0MB in the beginning and 96.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 292.18ms. Allocated memory is still 165.7MB. Free memory was 96.6MB in the beginning and 86.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.34ms. Allocated memory is still 165.7MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:48:40,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk --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 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:48:43,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:48:43,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:48:43,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:48:43,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:48:43,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:48:43,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:48:43,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:48:43,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:48:43,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:48:43,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:48:43,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:48:43,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:48:43,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:48:43,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:48:43,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:48:43,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:48:43,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:48:43,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:48:43,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:48:43,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:48:43,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:48:43,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:48:43,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:48:43,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:48:43,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:48:43,147 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:43,147 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:48:43,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:48:43,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:43,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:48:43,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:48:43,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:48:43,149 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:48:43,150 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:43,150 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:48:43,150 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_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e [2024-11-08 22:48:43,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:48:43,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:48:43,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:48:43,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:48:43,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:48:43,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_1_5.i Unable to find full path for "g++" [2024-11-08 22:48:45,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:48:46,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:48:46,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2024-11-08 22:48:46,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data/f98aaf684/95975dacf100421eafffa2f0a4e20af9/FLAG0f6f77b7a [2024-11-08 22:48:46,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/data/f98aaf684/95975dacf100421eafffa2f0a4e20af9 [2024-11-08 22:48:46,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:48:46,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:48:46,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:46,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:48:46,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:48:46,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2d68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46, skipping insertion in model container [2024-11-08 22:48:46,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:48:46,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2024-11-08 22:48:46,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:46,453 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:48:46,476 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2024-11-08 22:48:46,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:46,504 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:48:46,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46 WrapperNode [2024-11-08 22:48:46,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:46,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:46,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:48:46,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:48:46,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,547 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2024-11-08 22:48:46,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:46,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:48:46,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:48:46,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:48:46,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:48:46,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:48:46,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:48:46,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:48:46,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:46" (1/1) ... [2024-11-08 22:48:46,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:46,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:48:46,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:48:46,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:48:46,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:48:46,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:48:46,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:48:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:48:46,773 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:48:46,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:49:03,060 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 22:49:03,060 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:49:03,124 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:49:03,124 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:49:03,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:49:03 BoogieIcfgContainer [2024-11-08 22:49:03,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:49:03,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:49:03,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:49:03,137 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:49:03,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:49:03" (1/1) ... [2024-11-08 22:49:03,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:49:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:49:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:49:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:49:03,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:03,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:03,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:03,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:03,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e381a4-ba06-4fcb-98cd-4501d5fca6aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:54:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:54:41,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.