./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c --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_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/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_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/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_f4a1a111-9320-46a4-b90f-b718de04b025/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 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:16:12,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:16:12,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:16:12,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:16:12,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:16:12,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:16:12,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:16:12,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:16:12,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:16:12,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:16:12,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:16:12,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:16:12,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:16:12,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:16:12,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:16:12,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:16:12,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:16:12,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:16:12,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:16:12,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:12,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:16:12,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:16:12,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:16:12,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:16:12,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:16:12,441 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_f4a1a111-9320-46a4-b90f-b718de04b025/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 -> 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a [2024-12-06 05:16:12,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:16:12,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:16:12,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:16:12,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:16:12,698 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:16:12,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-12-06 05:16:15,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/fc98441d7/3b97b229b40148319a5e1dc799e35ce8/FLAGdd1ebc065 [2024-12-06 05:16:15,640 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:16:15,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-12-06 05:16:15,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/fc98441d7/3b97b229b40148319a5e1dc799e35ce8/FLAGdd1ebc065 [2024-12-06 05:16:15,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/fc98441d7/3b97b229b40148319a5e1dc799e35ce8 [2024-12-06 05:16:15,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:16:15,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:16:15,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:15,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:16:15,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:16:15,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:15" (1/1) ... [2024-12-06 05:16:15,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38356cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:15, skipping insertion in model container [2024-12-06 05:16:15,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:15" (1/1) ... [2024-12-06 05:16:16,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:16:16,181 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_f4a1a111-9320-46a4-b90f-b718de04b025/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-12-06 05:16:16,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:16,201 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:16:16,215 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_f4a1a111-9320-46a4-b90f-b718de04b025/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-12-06 05:16:16,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:16,233 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:16:16,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16 WrapperNode [2024-12-06 05:16:16,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:16,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:16,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:16:16,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:16:16,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,268 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-12-06 05:16:16,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:16,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:16:16,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:16:16,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:16:16,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:16:16,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:16:16,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:16:16,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:16:16,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:16,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:16:16,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:16:16,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:16:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:16:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:16:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:16:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:16:16,427 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:16:16,430 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:16:16,526 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 05:16:16,526 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:16:16,549 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:16:16,550 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:16:16,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:16 BoogieIcfgContainer [2024-12-06 05:16:16,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:16:16,551 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:16:16,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:16:16,563 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:16:16,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:16" (1/1) ... [2024-12-06 05:16:16,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:16:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:16:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:16:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:16:16,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:16,743 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:16:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:16,799 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:16:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:16:16,815 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:16:16,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:16:16 ImpRootNode [2024-12-06 05:16:16,839 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:16:16,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:16:16,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:16:16,840 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:16:16,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:16" (3/4) ... [2024-12-06 05:16:16,844 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:16:16,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:16:16,845 INFO L158 Benchmark]: Toolchain (without parser) took 857.90ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 83.0MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:16:16,846 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:16,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.35ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 105.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:16:16,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.77ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:16,847 INFO L158 Benchmark]: Boogie Preprocessor took 18.39ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.4MB in the end (delta: 790.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:16,848 INFO L158 Benchmark]: RCFGBuilder took 262.00ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 93.6MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:16:16,848 INFO L158 Benchmark]: CodeCheck took 288.10ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 83.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:16:16,849 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.0MB in the end (delta: 277.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:16:16,852 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, 7 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, 4 NumberOfCodeBlocks, 4 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: 27]: 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 10, overapproximation of someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L1] int __return_main; [L9] double main__x = 1.0; [L10] double main__x1 = main__x / 1.6; VAL [__return_main=0] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L27] reach_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.35ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 105.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.77ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.39ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.4MB in the end (delta: 790.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.00ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 93.6MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 288.10ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 83.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.0MB in the end (delta: 277.8kB). 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 05:16:16,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/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_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/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_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/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_f4a1a111-9320-46a4-b90f-b718de04b025/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 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:16:19,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:16:19,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:16:19,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:16:19,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:16:19,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:16:19,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:16:19,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:16:19,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:16:19,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:16:19,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:16:19,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:16:19,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:16:19,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:16:19,388 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:16:19,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:16:19,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:16:19,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:16:19,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:16:19,388 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:19,389 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:16:19,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:16:19,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:19,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:16:19,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:16:19,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:16:19,389 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:16:19,390 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:19,390 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:16:19,390 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_f4a1a111-9320-46a4-b90f-b718de04b025/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 -> 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a [2024-12-06 05:16:19,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:16:19,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:16:19,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:16:19,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:16:19,687 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:16:19,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-12-06 05:16:22,563 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/edc9a7452/94c43b609b6e49bf91cc69d3f94ed183/FLAG9b39d42d4 [2024-12-06 05:16:22,769 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:16:22,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-12-06 05:16:22,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/edc9a7452/94c43b609b6e49bf91cc69d3f94ed183/FLAG9b39d42d4 [2024-12-06 05:16:22,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/data/edc9a7452/94c43b609b6e49bf91cc69d3f94ed183 [2024-12-06 05:16:22,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:16:22,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:16:22,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:22,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:16:22,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:16:22,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:22" (1/1) ... [2024-12-06 05:16:22,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2498e074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:22, skipping insertion in model container [2024-12-06 05:16:22,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:22" (1/1) ... [2024-12-06 05:16:22,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:16:23,004 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_f4a1a111-9320-46a4-b90f-b718de04b025/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-12-06 05:16:23,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:23,028 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:16:23,045 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_f4a1a111-9320-46a4-b90f-b718de04b025/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-12-06 05:16:23,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:16:23,064 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:16:23,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23 WrapperNode [2024-12-06 05:16:23,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:16:23,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:23,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:16:23,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:16:23,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,095 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-12-06 05:16:23,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:16:23,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:16:23,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:16:23,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:16:23,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,111 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:16:23,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:16:23,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:16:23,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:16:23,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:23" (1/1) ... [2024-12-06 05:16:23,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:16:23,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:16:23,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:16:23,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:16:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:16:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:16:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:16:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:16:23,246 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:16:23,249 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:16:28,284 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 05:16:28,284 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:16:28,306 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:16:28,306 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:16:28,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:28 BoogieIcfgContainer [2024-12-06 05:16:28,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:16:28,307 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:16:28,307 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:16:28,314 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:16:28,314 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:28" (1/1) ... [2024-12-06 05:16:28,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:16:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:16:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:16:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:16:28,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:28,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:28,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:16:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:29,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:30,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:16:30,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:33,229 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 05:16:33,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:16:36,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:16:47,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:16:50,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:17:00,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:17:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:17:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:17:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:17:01,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:01,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:01,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:01,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:01,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:17:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:03,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:17:14,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:17:14,765 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:17:14,769 INFO L158 Benchmark]: Toolchain (without parser) took 51970.78ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 62.6MB in the end (delta: 7.3MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-06 05:17:14,769 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:14,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.87ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:14,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.42ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:14,770 INFO L158 Benchmark]: Boogie Preprocessor took 22.90ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 921.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:14,771 INFO L158 Benchmark]: RCFGBuilder took 5186.90ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 46.5MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:17:14,771 INFO L158 Benchmark]: CodeCheck took 46461.53ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 62.6MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:14,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.87ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 58.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.42ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.90ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 921.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5186.90ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 46.5MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 46461.53ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 62.6MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:17:14,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a1a111-9320-46a4-b90f-b718de04b025/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown