./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-015.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_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/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_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-015.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/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_22f716a6-54ca-44fb-813f-60afaebf66e6/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 eba00f0070304f786aff86b6063ed55357e3f08cec960cb2b5a3d59a4f88aca7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:45:55,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:45:56,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:45:56,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:45:56,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:45:56,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:45:56,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:45:56,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:45:56,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:45:56,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:45:56,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:45:56,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:45:56,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:45:56,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:45:56,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:45:56,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:45:56,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:45:56,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:45:56,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:45:56,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:45:56,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:45:56,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:45:56,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:45:56,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:45:56,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:45:56,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:45:56,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:45:56,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:45:56,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:45:56,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:45:56,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:45:56,094 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:45:56,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:45:56,094 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_22f716a6-54ca-44fb-813f-60afaebf66e6/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 -> eba00f0070304f786aff86b6063ed55357e3f08cec960cb2b5a3d59a4f88aca7 [2024-11-13 16:45:56,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:45:56,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:45:56,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:45:56,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:45:56,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:45:56,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/xcsp/Dubois-015.c Unable to find full path for "g++" [2024-11-13 16:45:58,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:45:58,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:45:58,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/sv-benchmarks/c/xcsp/Dubois-015.c [2024-11-13 16:45:58,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/data/8d283f3fa/168e8be973c2489cbf623b1264d39d81/FLAG3ad68e21a [2024-11-13 16:45:58,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/data/8d283f3fa/168e8be973c2489cbf623b1264d39d81 [2024-11-13 16:45:58,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:45:58,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:45:58,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:45:58,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:45:58,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:45:58,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:45:58" (1/1) ... [2024-11-13 16:45:58,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40196565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:58, skipping insertion in model container [2024-11-13 16:45:58,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:45:58" (1/1) ... [2024-11-13 16:45:58,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:45:58,966 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_22f716a6-54ca-44fb-813f-60afaebf66e6/sv-benchmarks/c/xcsp/Dubois-015.c[10980,10993] [2024-11-13 16:45:58,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:45:58,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:45:59,068 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_22f716a6-54ca-44fb-813f-60afaebf66e6/sv-benchmarks/c/xcsp/Dubois-015.c[10980,10993] [2024-11-13 16:45:59,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:45:59,086 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:45:59,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59 WrapperNode [2024-11-13 16:45:59,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:45:59,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:45:59,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:45:59,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:45:59,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,294 INFO L138 Inliner]: procedures = 13, calls = 127, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3001 [2024-11-13 16:45:59,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:45:59,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:45:59,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:45:59,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:45:59,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:45:59,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:45:59,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:45:59,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:45:59,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:59" (1/1) ... [2024-11-13 16:45:59,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:45:59,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:45:59,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:45:59,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f716a6-54ca-44fb-813f-60afaebf66e6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:45:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:45:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:45:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:45:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:45:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-13 16:45:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-13 16:45:59,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:45:59,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:03,550 INFO L? ?]: Removed 1040 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:03,550 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:07,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:07,657 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:46:07,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:07 BoogieIcfgContainer [2024-11-13 16:46:07,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:07,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:07,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:07,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:07,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:07" (1/1) ... [2024-11-13 16:46:07,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:07,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 201 states and 319 transitions. [2024-11-13 16:46:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 319 transitions. [2024-11-13 16:46:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-11-13 16:46:07,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:57,648 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 484 DAG size of output: 484 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)