./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.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_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/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_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/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_500b6c83-9862-4c46-941c-caafe1f7d846/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 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:24:09,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:24:09,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:24:09,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:24:09,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:24:09,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:24:09,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:24:09,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:24:09,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:24:09,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:24:09,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:24:09,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:24:09,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:24:09,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:24:09,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:24:09,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:24:09,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:24:09,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:24:09,906 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_500b6c83-9862-4c46-941c-caafe1f7d846/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 -> 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a [2024-12-06 02:24:10,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:24:10,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:24:10,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:24:10,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:24:10,134 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:24:10,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2024-12-06 02:24:12,855 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/78d499a2c/de72fe010b8d4b20953629e8873512be/FLAGcfa1aa63b [2024-12-06 02:24:13,077 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:24:13,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2024-12-06 02:24:13,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/78d499a2c/de72fe010b8d4b20953629e8873512be/FLAGcfa1aa63b [2024-12-06 02:24:13,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/78d499a2c/de72fe010b8d4b20953629e8873512be [2024-12-06 02:24:13,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:24:13,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:24:13,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:24:13,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:24:13,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:24:13,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2032bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13, skipping insertion in model container [2024-12-06 02:24:13,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:24:13,777 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_500b6c83-9862-4c46-941c-caafe1f7d846/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2024-12-06 02:24:13,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:24:13,797 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:24:13,828 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_500b6c83-9862-4c46-941c-caafe1f7d846/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2024-12-06 02:24:13,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:24:13,904 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:24:13,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13 WrapperNode [2024-12-06 02:24:13,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:24:13,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:24:13,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:24:13,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:24:13,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,939 INFO L138 Inliner]: procedures = 452, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2024-12-06 02:24:13,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:24:13,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:24:13,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:24:13,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:24:13,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,952 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:24:13,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:24:13,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:24:13,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:24:13,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:13" (1/1) ... [2024-12-06 02:24:13,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:24:13,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:24:13,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:24:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:24:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:24:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:24:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:24:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:24:14,093 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:24:14,095 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:24:14,183 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 02:24:14,183 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:24:14,218 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:24:14,219 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:24:14,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:24:14 BoogieIcfgContainer [2024-12-06 02:24:14,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:24:14,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:24:14,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:24:14,229 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:24:14,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:24:14" (1/1) ... [2024-12-06 02:24:14,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:24:14,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 02:24:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 02:24:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:24:14,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:14,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:24:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:24:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 02:24:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 02:24:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:24:14,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:14,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:24:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:24:14,446 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:24:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:24:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:24:14,502 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:24:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:24:14,525 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:24:14,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:24:14 ImpRootNode [2024-12-06 02:24:14,546 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:24:14,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:24:14,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:24:14,547 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:24:14,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:24:14" (3/4) ... [2024-12-06 02:24:14,550 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:24:14,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:24:14,552 INFO L158 Benchmark]: Toolchain (without parser) took 1135.10ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 68.7MB in the end (delta: 22.3MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 02:24:14,552 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:24:14,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.54ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 46.8MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 02:24:14,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 44.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:24:14,553 INFO L158 Benchmark]: Boogie Preprocessor took 18.08ms. Allocated memory is still 117.4MB. Free memory was 44.6MB in the beginning and 43.8MB in the end (delta: 775.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:24:14,553 INFO L158 Benchmark]: RCFGBuilder took 260.43ms. Allocated memory is still 117.4MB. Free memory was 43.6MB in the beginning and 85.4MB in the end (delta: -41.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-06 02:24:14,554 INFO L158 Benchmark]: CodeCheck took 326.80ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 69.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:24:14,554 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 117.4MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:24:14,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 991]: 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 someBinaryArithmeticDOUBLEoperation at line 1002, overapproximation of someBinaryArithmeticDOUBLEoperation at line 1027, overapproximation of someBinaryDOUBLEComparisonOperation at line 1001, overapproximation of someBinaryArithmeticFLOAToperation at line 1015, overapproximation of someBinaryArithmeticFLOAToperation at line 1009. Possible FailurePath: [L994] float pi = 3.14159 ; [L1013] int x ; [L1014] float angleInRadian ; [L1015] float phaseLag = pi/2, phaseLead=pi ; [L1016] double sum1=0.0, sum2 = 0.0 ; [L1017] int temp; [L1018] double count=0.0 ; VAL [pi=314159/100000, sum1=0, sum2=0] [L1024] x = __VERIFIER_nondet_int() [L1025] CALL assume_abort_if_not(x > -180 && x < 180) [L989] COND FALSE !(!cond) [L1025] RET assume_abort_if_not(x > -180 && x < 180) [L1026] CALL, EXPR radianMeasure(x) [L1009] return (degrees * (pi/180)) ; [L1026] RET, EXPR radianMeasure(x) [L1026] angleInRadian = radianMeasure(x) [L1027] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1028] sum1 = sum1 + cos(angleInRadian+3*phaseLag) [L1030] temp = __VERIFIER_nondet_int() [L1031] count++ VAL [pi=314159/100000, temp=0] [L1032] COND TRUE temp == 0 VAL [pi=314159/100000] [L1035] CALL, EXPR diff(sum1,sum2) [L1001] COND FALSE !(x1 > x2) [L1004] return (x2-x1) ; [L1035] RET, EXPR diff(sum1,sum2) [L1035] CALL __VERIFIER_assert(diff(sum1,sum2) <= count*2) [L991] COND TRUE !(cond) VAL [pi=314159/100000] [L991] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.54ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 46.8MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 44.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.08ms. Allocated memory is still 117.4MB. Free memory was 44.6MB in the beginning and 43.8MB in the end (delta: 775.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.43ms. Allocated memory is still 117.4MB. Free memory was 43.6MB in the beginning and 85.4MB in the end (delta: -41.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * CodeCheck took 326.80ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 69.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 117.4MB. Free memory is still 68.7MB. 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 02:24:14,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/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_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/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_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/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_500b6c83-9862-4c46-941c-caafe1f7d846/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 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:24:16,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:24:16,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:24:16,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:24:16,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:24:16,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:24:16,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:24:16,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:24:16,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:24:16,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:24:16,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:24:16,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:24:16,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:24:16,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:24:16,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:24:16,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:24:16,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:24:16,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:24:16,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:24:16,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:16,561 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:24:16,561 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_500b6c83-9862-4c46-941c-caafe1f7d846/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 -> 6b555c1a190100d81472ccbf1fd7aa38859f39559581e0e1305f19efc021162a [2024-12-06 02:24:16,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:24:16,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:24:16,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:24:16,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:24:16,796 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:24:16,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2024-12-06 02:24:19,473 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/25f5e2406/5d821b5edc7b4ea7bb8b9bfd15f38cec/FLAG17fc6f7dd [2024-12-06 02:24:19,700 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:24:19,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i [2024-12-06 02:24:19,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/25f5e2406/5d821b5edc7b4ea7bb8b9bfd15f38cec/FLAG17fc6f7dd [2024-12-06 02:24:20,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/data/25f5e2406/5d821b5edc7b4ea7bb8b9bfd15f38cec [2024-12-06 02:24:20,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:24:20,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:24:20,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:24:20,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:24:20,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:24:20,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2e7531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20, skipping insertion in model container [2024-12-06 02:24:20,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:24:20,417 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_500b6c83-9862-4c46-941c-caafe1f7d846/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2024-12-06 02:24:20,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:24:20,444 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:24:20,478 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_500b6c83-9862-4c46-941c-caafe1f7d846/sv-benchmarks/c/loop-floats-scientific-comp/loop5.i[40788,40801] [2024-12-06 02:24:20,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:24:20,596 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:24:20,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20 WrapperNode [2024-12-06 02:24:20,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:24:20,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:24:20,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:24:20,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:24:20,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,632 INFO L138 Inliner]: procedures = 453, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2024-12-06 02:24:20,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:24:20,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:24:20,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:24:20,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:24:20,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:24:20,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:24:20,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:24:20,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:24:20,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:20" (1/1) ... [2024-12-06 02:24:20,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:24:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:24:20,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:24:20,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:24:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:24:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:24:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:24:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:24:20,775 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:24:20,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:24:25,151 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 02:24:25,151 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:24:25,179 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:24:25,179 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:24:25,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:24:25 BoogieIcfgContainer [2024-12-06 02:24:25,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:24:25,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:24:25,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:24:25,186 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:24:25,186 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:24:25" (1/1) ... [2024-12-06 02:24:25,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:24:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 02:24:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 02:24:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:24:25,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:25,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:25,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:25,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:24:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:25,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:24:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:25,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:24:25,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:24:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:24:25,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:24:27,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:24:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 02:24:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 02:24:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:24:27,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:27,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:27,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:24:27,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:24:27,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_500b6c83-9862-4c46-941c-caafe1f7d846/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:24:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:24:28,418 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:24:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat