./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.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_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/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_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/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_930c6016-f244-433e-86b4-9b52ff2dd0d1/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 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:14,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:14,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:18:14,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:18:14,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:18:14,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:14,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:14,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:14,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:14,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:14,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:14,160 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:14,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:14,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:14,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:18:14,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:18:14,161 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_930c6016-f244-433e-86b4-9b52ff2dd0d1/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 -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2024-12-06 01:18:14,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:14,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:14,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:14,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:14,396 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:14,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-12-06 01:18:17,026 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/86be8353d/18929f0dde364f5fbf1f6d88c28e1d4c/FLAG7365d4f2e [2024-12-06 01:18:17,229 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:17,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-12-06 01:18:17,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/86be8353d/18929f0dde364f5fbf1f6d88c28e1d4c/FLAG7365d4f2e [2024-12-06 01:18:17,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/86be8353d/18929f0dde364f5fbf1f6d88c28e1d4c [2024-12-06 01:18:17,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:17,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:17,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:17,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:17,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:17,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24570e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17, skipping insertion in model container [2024-12-06 01:18:17,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:17,738 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_930c6016-f244-433e-86b4-9b52ff2dd0d1/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-12-06 01:18:17,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:17,748 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:17,761 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_930c6016-f244-433e-86b4-9b52ff2dd0d1/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-12-06 01:18:17,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:17,772 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:17,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17 WrapperNode [2024-12-06 01:18:17,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:17,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:17,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:17,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:17,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,794 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-06 01:18:17,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:17,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:17,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:17,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:17,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:17,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:17,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:17,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:17,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:17" (1/1) ... [2024-12-06 01:18:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:17,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:17,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:17,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:18:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:18:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:18:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:18:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:18:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:17,906 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:17,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:18,002 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:18,002 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:18,035 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:18,035 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:18:18,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:18 BoogieIcfgContainer [2024-12-06 01:18:18,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:18,036 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:18,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:18,045 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:18,045 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:18" (1/1) ... [2024-12-06 01:18:18,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 01:18:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 01:18:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:18:18,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:18,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:18,159 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:18,214 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:18,241 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:18:18,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:18:18 ImpRootNode [2024-12-06 01:18:18,262 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:18:18,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:18:18,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:18:18,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:18:18,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:18" (3/4) ... [2024-12-06 01:18:18,266 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:18:18,267 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:18:18,268 INFO L158 Benchmark]: Toolchain (without parser) took 659.09ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 56.3MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:18:18,268 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:18,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.10ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:18,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.34ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:18,269 INFO L158 Benchmark]: Boogie Preprocessor took 14.95ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.2MB in the end (delta: 547.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:18,269 INFO L158 Benchmark]: RCFGBuilder took 224.50ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 68.4MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:18:18,270 INFO L158 Benchmark]: CodeCheck took 226.30ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 56.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:18,270 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 56.3MB in the end (delta: 270.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:18,272 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, 16 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, 17 NumberOfCodeBlocks, 17 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 34, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [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) [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 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.10ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.34ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.95ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.2MB in the end (delta: 547.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 224.50ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 68.4MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 226.30ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 56.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 56.3MB in the end (delta: 270.0kB). 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 01:18:18,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/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_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/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_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/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_930c6016-f244-433e-86b4-9b52ff2dd0d1/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 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:20,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:20,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:18:20,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:20,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:20,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:20,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:20,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:20,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:20,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:20,297 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:20,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:20,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:20,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:20,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:20,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:20,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:18:20,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:20,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:20,299 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:18:20,299 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_930c6016-f244-433e-86b4-9b52ff2dd0d1/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 -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2024-12-06 01:18:20,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:20,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:20,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:20,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:20,553 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:20,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-12-06 01:18:23,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/bc806820c/b8d5ea82a89b4206a31f2d5fd934f7f8/FLAG61fa40838 [2024-12-06 01:18:23,416 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:23,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2024-12-06 01:18:23,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/bc806820c/b8d5ea82a89b4206a31f2d5fd934f7f8/FLAG61fa40838 [2024-12-06 01:18:23,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/data/bc806820c/b8d5ea82a89b4206a31f2d5fd934f7f8 [2024-12-06 01:18:23,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:23,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:23,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:23,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:23,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:23,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:23,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eebe6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23, skipping insertion in model container [2024-12-06 01:18:23,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:23,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:23,947 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_930c6016-f244-433e-86b4-9b52ff2dd0d1/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-12-06 01:18:23,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:23,960 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:23,975 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_930c6016-f244-433e-86b4-9b52ff2dd0d1/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2024-12-06 01:18:23,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:23,987 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:23,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23 WrapperNode [2024-12-06 01:18:23,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:23,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:23,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:23,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:23,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:23,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,010 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-12-06 01:18:24,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:24,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:24,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:24,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:24,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:24,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:24,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:24,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:24,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:23" (1/1) ... [2024-12-06 01:18:24,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:24,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:24,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:24,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:18:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:18:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:18:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:18:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:18:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:24,135 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:24,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:43,267 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:43,267 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:43,310 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:43,310 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:18:43,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:43 BoogieIcfgContainer [2024-12-06 01:18:43,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:43,311 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:43,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:43,319 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:43,319 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:43" (1/1) ... [2024-12-06 01:18:43,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:43,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 01:18:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 01:18:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:18:43,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:43,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:43,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:43,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:43,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930c6016-f244-433e-86b4-9b52ff2dd0d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process