./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_1-2a.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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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 c0258cad6f5a3f697bac60a20b4b03c973cfd1bb1cab6bf28507067e377df9c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:31,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:31,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:41:31,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:31,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:31,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:31,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:31,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:31,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:31,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:31,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:31,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:31,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:31,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:31,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:31,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:31,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:31,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:31,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:31,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:31,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:31,580 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:31,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:31,580 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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 -> c0258cad6f5a3f697bac60a20b4b03c973cfd1bb1cab6bf28507067e377df9c4 [2024-12-05 21:41:31,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:31,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:31,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:31,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:31,830 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:31,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c [2024-12-05 21:41:34,475 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/a0f952acd/8d231812cf6d477489a4d5e6670657cf/FLAG4dc7cea4c [2024-12-05 21:41:34,677 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:34,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c [2024-12-05 21:41:34,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/a0f952acd/8d231812cf6d477489a4d5e6670657cf/FLAG4dc7cea4c [2024-12-05 21:41:34,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/a0f952acd/8d231812cf6d477489a4d5e6670657cf [2024-12-05 21:41:34,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:34,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:34,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:34,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:34,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:34,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:34,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e27748a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34, skipping insertion in model container [2024-12-05 21:41:34,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:34,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:34,871 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[1997,2010] [2024-12-05 21:41:34,876 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[2391,2404] [2024-12-05 21:41:34,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:34,926 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:34,940 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[1997,2010] [2024-12-05 21:41:34,941 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[2391,2404] [2024-12-05 21:41:34,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:34,985 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:34,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34 WrapperNode [2024-12-05 21:41:34,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:34,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:34,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:34,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:34,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,024 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 211 [2024-12-05 21:41:35,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:35,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:35,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:35,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:35,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,042 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:35,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:35,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:35,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:35,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:34" (1/1) ... [2024-12-05 21:41:35,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:35,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:35,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:35,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-05 21:41:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-05 21:41:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:41:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:35,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:41:35,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:41:35,172 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:35,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:35,492 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:35,492 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:35,652 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:35,653 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 21:41:35,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:35 BoogieIcfgContainer [2024-12-05 21:41:35,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:35,654 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:35,654 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:35,660 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:35,661 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:35" (1/1) ... [2024-12-05 21:41:35,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2024-12-05 21:41:35,704 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-12-05 21:41:35,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:41:35,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:35,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:35,759 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:41:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:35,789 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:41:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:35,799 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:41:35,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:41:35 ImpRootNode [2024-12-05 21:41:35,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:41:35,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:41:35,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:41:35,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:41:35,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:35" (3/4) ... [2024-12-05 21:41:35,814 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:41:35,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:41:35,816 INFO L158 Benchmark]: Toolchain (without parser) took 1112.06ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 88.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-12-05 21:41:35,816 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:35,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.81ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 102.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:41:35,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.38ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:35,817 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:35,818 INFO L158 Benchmark]: RCFGBuilder took 599.79ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 98.8MB in the end (delta: 483.8kB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-12-05 21:41:35,818 INFO L158 Benchmark]: CodeCheck took 157.51ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 88.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:41:35,818 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:35,820 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, 49 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 40, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.81ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 102.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.38ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.79ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 98.8MB in the end (delta: 483.8kB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * CodeCheck took 157.51ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 88.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:41:35,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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 c0258cad6f5a3f697bac60a20b4b03c973cfd1bb1cab6bf28507067e377df9c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:37,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:37,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:41:37,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:37,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:37,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:37,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:37,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:37,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:37,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:37,856 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:37,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:37,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:37,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:37,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:37,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:37,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:37,858 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:37,858 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:41:37,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:37,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:37,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:37,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:37,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:37,859 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:41:37,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:37,859 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:41:37,859 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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 -> c0258cad6f5a3f697bac60a20b4b03c973cfd1bb1cab6bf28507067e377df9c4 [2024-12-05 21:41:38,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:38,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:38,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:38,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:38,112 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:38,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c [2024-12-05 21:41:40,752 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/deb698b5f/c54572cf9e2042efa2b363c3dfbc4b7e/FLAG90d586eaf [2024-12-05 21:41:40,963 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:40,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c [2024-12-05 21:41:40,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/deb698b5f/c54572cf9e2042efa2b363c3dfbc4b7e/FLAG90d586eaf [2024-12-05 21:41:40,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/data/deb698b5f/c54572cf9e2042efa2b363c3dfbc4b7e [2024-12-05 21:41:40,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:40,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:40,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:40,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:41,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:41,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:41,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2cd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41, skipping insertion in model container [2024-12-05 21:41:41,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:40" (1/1) ... [2024-12-05 21:41:41,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:41,171 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[1997,2010] [2024-12-05 21:41:41,175 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[2391,2404] [2024-12-05 21:41:41,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:41,239 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:41,252 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[1997,2010] [2024-12-05 21:41:41,253 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_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/sv-benchmarks/c/combinations/square_6+soft_float_1-2a.c.cil.c[2391,2404] [2024-12-05 21:41:41,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:41,303 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:41,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41 WrapperNode [2024-12-05 21:41:41,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:41,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:41,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:41,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:41,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,350 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-12-05 21:41:41,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:41,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:41,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:41,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:41,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,371 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:41,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:41,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:41,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:41,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:41" (1/1) ... [2024-12-05 21:41:41,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:41,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:41,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:41:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-05 21:41:41,449 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-05 21:41:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:41,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:41,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:41:41,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:41:41,520 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:41,522 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:52,095 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:52,095 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:52,203 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:52,203 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 21:41:52,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:52 BoogieIcfgContainer [2024-12-05 21:41:52,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:52,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:52,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:52,212 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:52,213 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:52" (1/1) ... [2024-12-05 21:41:52,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2024-12-05 21:41:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-12-05 21:41:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:41:52,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:52,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:52,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:52:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:52:13,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:52:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:52:23,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:52:23,453 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) [2024-12-05 21:52:23,457 INFO L158 Benchmark]: Toolchain (without parser) took 642464.01ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 38.2MB in the end (delta: 31.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-12-05 21:52:23,458 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:52:23,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.47ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 54.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:52:23,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.25ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 52.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:52:23,459 INFO L158 Benchmark]: Boogie Preprocessor took 34.20ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:52:23,460 INFO L158 Benchmark]: RCFGBuilder took 10817.82ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 46.8MB in the end (delta: 3.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-05 21:52:23,460 INFO L158 Benchmark]: CodeCheck took 631252.16ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 38.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:52:23,463 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.47ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 54.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.25ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 52.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.20ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10817.82ms. Allocated memory is still 92.3MB. Free memory was 50.6MB in the beginning and 46.8MB in the end (delta: 3.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * CodeCheck took 631252.16ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 38.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:52:23,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c664f5-facf-4b6a-87f6-c08a0d8cc1c1/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