./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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 e45fd403bdea0e38df4202df32820dd99db87a388b8be6e5049c26042da28d7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:26,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:26,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:30:26,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:30:26,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:30:26,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:26,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:26,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:26,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:26,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:26,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:26,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:26,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:26,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:30:26,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:26,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:26,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:26,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:26,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:26,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:26,712 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:26,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:26,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:26,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:26,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:26,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:26,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:26,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:26,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:26,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:26,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:26,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:30:26,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:30:26,723 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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45fd403bdea0e38df4202df32820dd99db87a388b8be6e5049c26042da28d7d [2024-11-09 00:30:27,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:27,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:27,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:27,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:27,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:27,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i Unable to find full path for "g++" [2024-11-09 00:30:28,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:29,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:29,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/sv-benchmarks/c/floats-cdfpl/newton_1_2.i [2024-11-09 00:30:29,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data/3c7b0d505/9dd9515544c9451c9c00ad9656d4113a/FLAG2f0a271b7 [2024-11-09 00:30:29,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data/3c7b0d505/9dd9515544c9451c9c00ad9656d4113a [2024-11-09 00:30:29,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:29,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:29,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:29,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:29,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:29,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d41283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29, skipping insertion in model container [2024-11-09 00:30:29,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:29,837 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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/sv-benchmarks/c/floats-cdfpl/newton_1_2.i[1722,1735] [2024-11-09 00:30:29,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:29,850 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:29,865 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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/sv-benchmarks/c/floats-cdfpl/newton_1_2.i[1722,1735] [2024-11-09 00:30:29,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:29,884 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:29,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29 WrapperNode [2024-11-09 00:30:29,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:29,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:29,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:29,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:29,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,917 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2024-11-09 00:30:29,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:29,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:29,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:29,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:29,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:29,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:29,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:29,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:29,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:29" (1/1) ... [2024-11-09 00:30:29,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:29,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:29,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:29,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:30:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:30,088 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:30,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:30,217 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:30,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:30,271 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:30,271 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:30:30,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:30 BoogieIcfgContainer [2024-11-09 00:30:30,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:30,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:30,273 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:30,284 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:30,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:30" (1/1) ... [2024-11-09 00:30:30,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:30:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:30:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:30:30,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:30,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:30:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:30:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:30:30,499 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:30:30,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:30:30 ImpRootNode [2024-11-09 00:30:30,519 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:30:30,520 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:30:30,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:30:30,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:30:30,521 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:30" (3/4) ... [2024-11-09 00:30:30,524 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:30:30,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:30:30,526 INFO L158 Benchmark]: Toolchain (without parser) took 960.78ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.2MB in the beginning and 111.0MB in the end (delta: -48.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:30,526 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:30,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.15ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.0MB in the beginning and 122.7MB in the end (delta: -60.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.76ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,528 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 120.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:30,529 INFO L158 Benchmark]: RCFGBuilder took 331.35ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 122.3MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,530 INFO L158 Benchmark]: CodeCheck took 246.36ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 111.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:30:30,530 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 157.3MB. Free memory was 111.9MB in the beginning and 111.0MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:30,535 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 > -0.4f && IN < 0.4f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [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 0.30ms. Allocated memory is still 125.8MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.15ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.0MB in the beginning and 122.7MB in the end (delta: -60.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.76ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 120.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.35ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 122.3MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 246.36ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 111.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 157.3MB. Free memory was 111.9MB in the beginning and 111.0MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:30:30,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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 e45fd403bdea0e38df4202df32820dd99db87a388b8be6e5049c26042da28d7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:32,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:33,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:30:33,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:33,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:33,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:33,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:33,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:33,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:33,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:33,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:33,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:33,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:33,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:33,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:33,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:33,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:30:33,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:30:33,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:33,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:30:33,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:33,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:33,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:33,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:33,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:33,137 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:33,137 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:33,137 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:30:33,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:33,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:33,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:33,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:33,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:33,139 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:30:33,141 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:33,141 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:30:33,142 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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45fd403bdea0e38df4202df32820dd99db87a388b8be6e5049c26042da28d7d [2024-11-09 00:30:33,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:33,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:33,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:33,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:33,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:33,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_1_2.i Unable to find full path for "g++" [2024-11-09 00:30:35,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:35,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:35,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/sv-benchmarks/c/floats-cdfpl/newton_1_2.i [2024-11-09 00:30:36,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data/160786844/f9650918313d474c84d2ab9aba6ed075/FLAGf8c840915 [2024-11-09 00:30:36,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/data/160786844/f9650918313d474c84d2ab9aba6ed075 [2024-11-09 00:30:36,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:36,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:36,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:36,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:36,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:36,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c173282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36, skipping insertion in model container [2024-11-09 00:30:36,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:36,256 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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/sv-benchmarks/c/floats-cdfpl/newton_1_2.i[1722,1735] [2024-11-09 00:30:36,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:36,276 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:36,296 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_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/sv-benchmarks/c/floats-cdfpl/newton_1_2.i[1722,1735] [2024-11-09 00:30:36,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:36,316 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:36,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36 WrapperNode [2024-11-09 00:30:36,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:36,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:36,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:36,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:36,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,354 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2024-11-09 00:30:36,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:36,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:36,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:36,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:36,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:36,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:36,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:36,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:36,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:36" (1/1) ... [2024-11-09 00:30:36,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:36,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:36,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:36,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:30:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:36,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:36,546 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:36,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:59,038 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:59,039 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:59,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:59,099 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:30:59,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:59 BoogieIcfgContainer [2024-11-09 00:30:59,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:59,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:59,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:59,111 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:59,112 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:59" (1/1) ... [2024-11-09 00:30:59,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:30:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:30:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:30:59,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:59,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:59,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:59,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:36:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:25,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:36,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:36:36,047 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:36:36,053 INFO L158 Benchmark]: Toolchain (without parser) took 360021.70ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 40.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-09 00:36:36,054 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:36:36,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.70ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 41.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:36:36,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.51ms. Allocated memory is still 75.5MB. Free memory was 41.2MB in the beginning and 39.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:36:36,058 INFO L158 Benchmark]: Boogie Preprocessor took 27.78ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 38.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:36:36,060 INFO L158 Benchmark]: RCFGBuilder took 22717.00ms. Allocated memory is still 75.5MB. Free memory was 38.1MB in the beginning and 48.8MB in the end (delta: -10.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-09 00:36:36,060 INFO L158 Benchmark]: CodeCheck took 336950.13ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 40.7MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:36:36,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.70ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 41.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.51ms. Allocated memory is still 75.5MB. Free memory was 41.2MB in the beginning and 39.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.78ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 38.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 22717.00ms. Allocated memory is still 75.5MB. Free memory was 38.1MB in the beginning and 48.8MB in the end (delta: -10.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * CodeCheck took 336950.13ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 40.7MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:36:36,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a79331-11c3-4c0c-b4e9-6352dc1d4af7/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown