./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.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_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/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_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/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_fedfba53-2cf1-409b-8eca-509499c51bb6/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 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:27:05,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:27:05,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:27:05,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:27:05,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:27:05,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:27:05,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:27:05,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:27:05,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:27:05,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:27:05,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:27:05,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:27:05,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:27:05,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:27:05,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:27:05,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:27:05,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:27:05,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:05,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:27:05,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:27:05,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:27:05,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:27:05,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:27:05,827 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_fedfba53-2cf1-409b-8eca-509499c51bb6/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 -> 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 [2024-12-06 01:27:06,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:27:06,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:27:06,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:27:06,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:27:06,038 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:27:06,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2024-12-06 01:27:08,609 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/23a1b0cb9/2ff03e091da94668bcaaf499116c5ac6/FLAG2c9bfa2e6 [2024-12-06 01:27:08,833 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:27:08,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2024-12-06 01:27:08,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/23a1b0cb9/2ff03e091da94668bcaaf499116c5ac6/FLAG2c9bfa2e6 [2024-12-06 01:27:09,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/23a1b0cb9/2ff03e091da94668bcaaf499116c5ac6 [2024-12-06 01:27:09,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:27:09,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:27:09,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:09,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:27:09,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:27:09,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd04a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09, skipping insertion in model container [2024-12-06 01:27:09,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:27:09,344 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_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2024-12-06 01:27:09,349 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_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2024-12-06 01:27:09,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:09,393 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:27:09,405 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_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2024-12-06 01:27:09,407 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_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2024-12-06 01:27:09,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:09,443 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:27:09,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09 WrapperNode [2024-12-06 01:27:09,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:09,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:09,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:27:09,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:27:09,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,477 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-12-06 01:27:09,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:09,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:27:09,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:27:09,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:27:09,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:27:09,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:27:09,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:27:09,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:27:09,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:09" (1/1) ... [2024-12-06 01:27:09,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:09,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:27:09,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:27:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:27:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:27:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:27:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:27:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:27:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:27:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:27:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:27:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:27:09,618 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:27:09,619 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:27:09,908 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-12-06 01:27:09,908 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:27:10,047 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:27:10,047 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:27:10,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:10 BoogieIcfgContainer [2024-12-06 01:27:10,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:27:10,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:27:10,048 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:27:10,055 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:27:10,055 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:10" (1/1) ... [2024-12-06 01:27:10,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:27:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-12-06 01:27:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-12-06 01:27:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:27:10,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:10,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:27:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:10,156 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:27:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:10,189 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:27:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:10,201 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:27:10,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:27:10 ImpRootNode [2024-12-06 01:27:10,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:27:10,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:27:10,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:27:10,215 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:27:10,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:10" (3/4) ... [2024-12-06 01:27:10,217 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:27:10,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:27:10,219 INFO L158 Benchmark]: Toolchain (without parser) took 1014.47ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 75.8MB in the end (delta: 17.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-12-06 01:27:10,219 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:10,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.76ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.8MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:27:10,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.66ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:10,220 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:10,221 INFO L158 Benchmark]: RCFGBuilder took 546.21ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 86.3MB in the end (delta: -10.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-12-06 01:27:10,221 INFO L158 Benchmark]: CodeCheck took 166.24ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 76.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:10,221 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 75.8MB in the end (delta: 246.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:10,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.399f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.76ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.8MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.66ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.21ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 86.3MB in the end (delta: -10.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 166.24ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 76.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 75.8MB in the end (delta: 246.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:27:10,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/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_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/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_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/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_fedfba53-2cf1-409b-8eca-509499c51bb6/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 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:27:12,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:27:12,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:27:12,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:27:12,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:27:12,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:27:12,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:27:12,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:27:12,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:27:12,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:27:12,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:12,270 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:27:12,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:27:12,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:12,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:27:12,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:27:12,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:27:12,271 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:27:12,271 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:12,271 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:27:12,271 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_fedfba53-2cf1-409b-8eca-509499c51bb6/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 -> 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 [2024-12-06 01:27:12,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:27:12,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:27:12,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:27:12,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:27:12,530 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:27:12,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2024-12-06 01:27:15,180 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/a117f7c79/38968985028748b5997d3b3231930666/FLAG3445f2269 [2024-12-06 01:27:15,402 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:27:15,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2024-12-06 01:27:15,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/a117f7c79/38968985028748b5997d3b3231930666/FLAG3445f2269 [2024-12-06 01:27:15,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/data/a117f7c79/38968985028748b5997d3b3231930666 [2024-12-06 01:27:15,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:27:15,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:27:15,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:15,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:27:15,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:27:15,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:15,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb24eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15, skipping insertion in model container [2024-12-06 01:27:15,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:15,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:27:15,907 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2024-12-06 01:27:15,912 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_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2024-12-06 01:27:15,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:15,953 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:27:15,962 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_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2024-12-06 01:27:15,963 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_fedfba53-2cf1-409b-8eca-509499c51bb6/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2024-12-06 01:27:15,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:15,993 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:27:15,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15 WrapperNode [2024-12-06 01:27:15,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:15,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:15,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:27:15,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:27:16,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,024 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 132 [2024-12-06 01:27:16,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:16,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:27:16,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:27:16,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:27:16,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,042 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:27:16,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:27:16,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:27:16,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:27:16,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:15" (1/1) ... [2024-12-06 01:27:16,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:16,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:27:16,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:27:16,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:27:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:27:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:27:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:27:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:27:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:27:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:27:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:27:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:27:16,166 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:27:16,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:27:26,605 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-12-06 01:27:26,606 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:27:26,660 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:27:26,660 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:27:26,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:26 BoogieIcfgContainer [2024-12-06 01:27:26,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:27:26,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:27:26,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:27:26,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:27:26,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:26" (1/1) ... [2024-12-06 01:27:26,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:27:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-12-06 01:27:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-12-06 01:27:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:27:26,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:26,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:26,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:27:26,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:27:26,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:36:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:01,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:36:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:36:11,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:36:11,756 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 01:36:11,759 INFO L158 Benchmark]: Toolchain (without parser) took 536002.90ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 48.8MB in the end (delta: 20.7MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 01:36:11,759 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:11,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.48ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 54.7MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:36:11,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.13ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 53.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:11,760 INFO L158 Benchmark]: Boogie Preprocessor took 26.58ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 51.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:11,761 INFO L158 Benchmark]: RCFGBuilder took 10608.38ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 57.8MB in the end (delta: -6.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 01:36:11,761 INFO L158 Benchmark]: CodeCheck took 525096.80ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 48.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:11,762 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.48ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 54.7MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.13ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 53.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.58ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 51.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10608.38ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 57.8MB in the end (delta: -6.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 525096.80ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 48.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:36:11,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedfba53-2cf1-409b-8eca-509499c51bb6/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