./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b --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 487cb753ab668f0dc3893a3ab2fa6b5020a9a953baa1eebb275c5ff36ca3ae95 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:45:56,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:45:56,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:45:56,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:45:56,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:45:56,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:45:56,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:45:56,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:45:56,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:45:56,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:45:56,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:45:56,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:45:56,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:45:56,383 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:45:56,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:45:56,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:45:56,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b 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 -> 487cb753ab668f0dc3893a3ab2fa6b5020a9a953baa1eebb275c5ff36ca3ae95 [2024-12-06 01:45:56,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:45:56,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:45:56,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:45:56,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:45:56,636 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:45:56,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_3_1.i [2024-12-06 01:45:59,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/f2b608e1f/0c817a6e71e5499485aa169ccd146b54/FLAGb8c7c9094 [2024-12-06 01:45:59,445 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:45:59,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/sv-benchmarks/c/floats-cdfpl/newton_3_1.i [2024-12-06 01:45:59,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/f2b608e1f/0c817a6e71e5499485aa169ccd146b54/FLAGb8c7c9094 [2024-12-06 01:45:59,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/f2b608e1f/0c817a6e71e5499485aa169ccd146b54 [2024-12-06 01:45:59,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:45:59,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:45:59,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:45:59,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:45:59,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:45:59,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:45:59,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f937248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59, skipping insertion in model container [2024-12-06 01:45:59,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:45:59,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:45:59,953 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_61a38bfe-c332-4559-af17-e8bee81cbda8/sv-benchmarks/c/floats-cdfpl/newton_3_1.i[1764,1777] [2024-12-06 01:45:59,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:45:59,963 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:45:59,978 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_61a38bfe-c332-4559-af17-e8bee81cbda8/sv-benchmarks/c/floats-cdfpl/newton_3_1.i[1764,1777] [2024-12-06 01:45:59,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:45:59,992 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:45:59,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59 WrapperNode [2024-12-06 01:45:59,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:45:59,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:45:59,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:45:59,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:46:00,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,022 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-12-06 01:46:00,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:00,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:46:00,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:46:00,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:46:00,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:46:00,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:46:00,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:46:00,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:46:00,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:59" (1/1) ... [2024-12-06 01:46:00,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:00,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:46:00,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:46:00,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:46:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:46:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:46:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:46:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:46:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:46:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:46:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:46:00,153 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:46:00,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:46:00,267 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 01:46:00,267 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:46:00,302 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:46:00,302 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:46:00,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:00 BoogieIcfgContainer [2024-12-06 01:46:00,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:46:00,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:46:00,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:46:00,313 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:46:00,314 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:00" (1/1) ... [2024-12-06 01:46:00,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:46:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 01:46:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 01:46:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:46:00,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:00,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:00,449 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:46:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:00,506 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:46:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:00,538 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:46:00,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:46:00 ImpRootNode [2024-12-06 01:46:00,559 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:46:00,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:46:00,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:46:00,560 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:46:00,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:00" (3/4) ... [2024-12-06 01:46:00,562 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:46:00,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:46:00,564 INFO L158 Benchmark]: Toolchain (without parser) took 745.02ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 54.7MB in the end (delta: 38.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:46:00,564 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:00,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.23ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:46:00,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.04ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:00,565 INFO L158 Benchmark]: Boogie Preprocessor took 16.67ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 794.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:46:00,565 INFO L158 Benchmark]: RCFGBuilder took 262.69ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 67.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:46:00,565 INFO L158 Benchmark]: CodeCheck took 256.21ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 55.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:46:00,566 INFO L158 Benchmark]: Witness Printer took 3.05ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 183.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:00,567 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 3 procedures, 19 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, 24 NumberOfCodeBlocks, 24 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, ConComCheckerStatistics: 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 44, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [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) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [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) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=3] [L44] CALL, EXPR fp(x) VAL [\old(x)=3] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=3] [L44] x = x - f(x)/fp(x) [L46] CALL, EXPR f(x) VAL [\old(x)=4] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L46] RET, EXPR f(x) VAL [IN=2, x=4] [L46] CALL, EXPR fp(x) VAL [\old(x)=4] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L46] RET, EXPR fp(x) VAL [IN=2, x=4] [L46] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.23ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.04ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.67ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 794.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 262.69ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 67.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 256.21ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 55.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.05ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 183.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:46:00,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b --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 487cb753ab668f0dc3893a3ab2fa6b5020a9a953baa1eebb275c5ff36ca3ae95 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:46:02,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:46:02,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:46:02,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:46:02,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:46:02,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:46:02,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:46:02,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:46:02,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:46:02,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:46:02,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:46:02,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:46:02,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:46:02,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:46:02,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:02,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:46:02,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:46:02,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:02,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:46:02,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b 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 -> 487cb753ab668f0dc3893a3ab2fa6b5020a9a953baa1eebb275c5ff36ca3ae95 [2024-12-06 01:46:02,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:46:02,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:46:02,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:46:02,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:46:02,827 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:46:02,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_3_1.i [2024-12-06 01:46:05,507 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/0e79b2c1a/6fa9ca3ffb614110be933d7eea176171/FLAGbeb3d013d [2024-12-06 01:46:05,690 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:46:05,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/sv-benchmarks/c/floats-cdfpl/newton_3_1.i [2024-12-06 01:46:05,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/0e79b2c1a/6fa9ca3ffb614110be933d7eea176171/FLAGbeb3d013d [2024-12-06 01:46:05,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/data/0e79b2c1a/6fa9ca3ffb614110be933d7eea176171 [2024-12-06 01:46:05,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:46:05,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:46:05,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:05,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:46:05,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:46:05,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2180e1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05, skipping insertion in model container [2024-12-06 01:46:05,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:46:05,873 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_61a38bfe-c332-4559-af17-e8bee81cbda8/sv-benchmarks/c/floats-cdfpl/newton_3_1.i[1764,1777] [2024-12-06 01:46:05,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:05,890 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:46:05,907 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_61a38bfe-c332-4559-af17-e8bee81cbda8/sv-benchmarks/c/floats-cdfpl/newton_3_1.i[1764,1777] [2024-12-06 01:46:05,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:05,922 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:46:05,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05 WrapperNode [2024-12-06 01:46:05,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:05,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:05,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:46:05,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:46:05,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,952 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-12-06 01:46:05,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:05,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:46:05,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:46:05,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:46:05,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:46:05,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:46:05,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:46:05,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:46:05,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:05" (1/1) ... [2024-12-06 01:46:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:05,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:46:06,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:46:06,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:46:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:46:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:46:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:46:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:46:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:46:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:46:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:46:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:46:06,081 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:46:06,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:46:30,880 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:46:30,881 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:46:30,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:46:30,923 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:46:30,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:30 BoogieIcfgContainer [2024-12-06 01:46:30,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:46:30,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:46:30,925 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:46:30,934 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:46:30,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:46:30,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 01:46:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 01:46:30,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:46:30,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:31,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:31,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:46:31,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:46:31,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61a38bfe-c332-4559-af17-e8bee81cbda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process