./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-021.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_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/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_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-021.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/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_29e31a66-9671-48df-b2d6-f406b215ab93/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 e914ef70bca7623c78f76c7515a1a020f1916ebb0197185152701ddd5f622073 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:20:03,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:20:03,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:20:03,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:20:03,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:20:03,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:20:03,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:20:03,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:20:03,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:20:03,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:20:03,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:20:03,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:20:03,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:20:03,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:20:03,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:20:03,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:20:03,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:20:03,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:20:03,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:20:03,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:20:03,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:20:03,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:20:03,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:20:03,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:20:03,701 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:20:03,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:20:03,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:20:03,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:03,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:20:03,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:20:03,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:20:03,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:20:03,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:20:03,703 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_29e31a66-9671-48df-b2d6-f406b215ab93/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 -> e914ef70bca7623c78f76c7515a1a020f1916ebb0197185152701ddd5f622073 [2024-11-13 22:20:04,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:20:04,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:20:04,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:20:04,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:20:04,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:20:04,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/xcsp/Dubois-021.c Unable to find full path for "g++" [2024-11-13 22:20:06,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:06,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:06,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/sv-benchmarks/c/xcsp/Dubois-021.c [2024-11-13 22:20:06,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/data/3e86aa7f5/f08b7aa7de4e429ca0d8981f7b02eb94/FLAG0546e1f78 [2024-11-13 22:20:06,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/data/3e86aa7f5/f08b7aa7de4e429ca0d8981f7b02eb94 [2024-11-13 22:20:06,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:06,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:06,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:06,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:06,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:06,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:06" (1/1) ... [2024-11-13 22:20:06,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adde73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:06, skipping insertion in model container [2024-11-13 22:20:06,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:06" (1/1) ... [2024-11-13 22:20:06,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:07,011 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_29e31a66-9671-48df-b2d6-f406b215ab93/sv-benchmarks/c/xcsp/Dubois-021.c[15084,15097] [2024-11-13 22:20:07,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:07,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:07,226 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_29e31a66-9671-48df-b2d6-f406b215ab93/sv-benchmarks/c/xcsp/Dubois-021.c[15084,15097] [2024-11-13 22:20:07,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:07,250 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:07,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07 WrapperNode [2024-11-13 22:20:07,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:07,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:07,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:07,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:07,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,606 INFO L138 Inliner]: procedures = 13, calls = 175, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4195 [2024-11-13 22:20:07,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:07,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:07,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:07,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:07,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:07,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:08,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:08,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:08,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:08,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:08,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:07" (1/1) ... [2024-11-13 22:20:08,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:08,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:08,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:08,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e31a66-9671-48df-b2d6-f406b215ab93/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:20:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-13 22:20:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-13 22:20:08,420 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:08,423 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:14,250 INFO L? ?]: Removed 1454 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:14,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:21,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:21,402 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:20:21,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:21 BoogieIcfgContainer [2024-11-13 22:20:21,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:21,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:21,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:21,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:21,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:21" (1/1) ... [2024-11-13 22:20:21,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 279 states and 445 transitions. [2024-11-13 22:20:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 445 transitions. [2024-11-13 22:20:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2024-11-13 22:20:21,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:21,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat