./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-090.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-090.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm --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 20304bce4ef03ad5f89af075dd784b96ba9cf71cfbfba5148bc3262c1794dc0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:58:13,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:14,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:58:14,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:58:14,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:58:14,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:14,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:58:14,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:58:14,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:14,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:14,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:14,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:58:14,084 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:58:14,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:58:14,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:14,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:14,086 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:14,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:14,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:14,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:14,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:14,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:14,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:58:14,090 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:58:14,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:58:14,090 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_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm 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 -> 20304bce4ef03ad5f89af075dd784b96ba9cf71cfbfba5148bc3262c1794dc0c [2024-11-13 22:58:14,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:14,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:14,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:14,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:14,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:14,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/xcsp/Dubois-090.c Unable to find full path for "g++" [2024-11-13 22:58:16,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:16,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:16,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/sv-benchmarks/c/xcsp/Dubois-090.c [2024-11-13 22:58:16,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/data/0ba5717d7/1c466963b5924fad8a8842c353e5f0bf/FLAGca41d989a [2024-11-13 22:58:16,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/data/0ba5717d7/1c466963b5924fad8a8842c353e5f0bf [2024-11-13 22:58:16,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:16,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:16,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:16,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:16,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:16,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:16,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6d1e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:16, skipping insertion in model container [2024-11-13 22:58:16,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:16" (1/1) ... [2024-11-13 22:58:17,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:17,699 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_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/sv-benchmarks/c/xcsp/Dubois-090.c[64320,64333] [2024-11-13 22:58:17,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:17,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:18,017 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_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/sv-benchmarks/c/xcsp/Dubois-090.c[64320,64333] [2024-11-13 22:58:18,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:18,072 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:18,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18 WrapperNode [2024-11-13 22:58:18,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:18,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:18,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:18,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:18,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:18,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:19,283 INFO L138 Inliner]: procedures = 13, calls = 727, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17926 [2024-11-13 22:58:19,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:19,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:19,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:19,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:19,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:19,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:19,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:19,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:20,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:20,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:20,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:20,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:20,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:20,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:20,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:20,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:20,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:18" (1/1) ... [2024-11-13 22:58:20,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:20,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:20,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:20,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79bc635-b02b-4eb9-80ea-f3c4ed338f66/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:58:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:58:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-13 22:58:20,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-13 22:58:21,482 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:21,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:50,738 INFO L? ?]: Removed 6215 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:50,738 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:59:20,272 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:59:20,273 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:59:20,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:20 BoogieIcfgContainer [2024-11-13 22:59:20,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:59:20,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:59:20,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:59:20,285 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:59:20,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:20" (1/1) ... [2024-11-13 22:59:20,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:59:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:20,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1176 states and 1894 transitions. [2024-11-13 22:59:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1894 transitions. [2024-11-13 22:59:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2613 [2024-11-13 22:59:20,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms