./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.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_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77efdc70644c4d76b2b51ad31e4c72e04d88f3f8d138a44eb5f8e2813c15326a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:15:11,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:15:11,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:15:11,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:15:11,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:15:11,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:15:11,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:15:11,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:15:11,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:15:11,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:15:11,855 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:15:11,855 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:15:11,855 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:15:11,855 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:15:11,856 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:15:11,856 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:15:11,856 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:15:11,856 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:15:11,856 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:15:11,856 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:15:11,857 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:15:11,857 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:15:11,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:15:11,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:15:11,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:15:11,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:15:11,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:15:11,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:15:11,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:15:11,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:15:11,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:15:11,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:15:11,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:15:11,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:15:11,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:15:11,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:15:11,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:15:11,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:15:11,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:15:11,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:15:11,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:15:11,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:15:11,862 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:15:11,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:15:11,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:15:11,863 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:15:11,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:15:11,863 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 77efdc70644c4d76b2b51ad31e4c72e04d88f3f8d138a44eb5f8e2813c15326a [2024-11-14 05:15:12,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:15:12,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:15:12,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:15:12,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:15:12,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:15:12,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.c Unable to find full path for "g++" [2024-11-14 05:15:14,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:15:14,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:15:14,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.c [2024-11-14 05:15:14,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/data/a4fa07b75/eb4c6b6ce4cb49b38681b77b7c090d7a/FLAGe739075bb [2024-11-14 05:15:15,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/data/a4fa07b75/eb4c6b6ce4cb49b38681b77b7c090d7a [2024-11-14 05:15:15,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:15:15,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:15:15,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:15:15,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:15:15,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:15:15,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:15:15" (1/1) ... [2024-11-14 05:15:15,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbcf8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:15, skipping insertion in model container [2024-11-14 05:15:15,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:15:15" (1/1) ... [2024-11-14 05:15:15,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:15:15,951 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_e46a2f94-5c65-4341-a983-a9e4d794d730/sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.c[11668,11681] [2024-11-14 05:15:16,042 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_e46a2f94-5c65-4341-a983-a9e4d794d730/sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.c[18604,18617] [2024-11-14 05:15:17,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:15:17,052 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:15:17,108 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_e46a2f94-5c65-4341-a983-a9e4d794d730/sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.c[11668,11681] [2024-11-14 05:15:17,133 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_e46a2f94-5c65-4341-a983-a9e4d794d730/sv-benchmarks/c/combinations/pals_lcr.5.ufo.UNBOUNDED.pals+Problem12_label05.c[18604,18617] [2024-11-14 05:15:17,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:15:17,671 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:15:17,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17 WrapperNode [2024-11-14 05:15:17,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:15:17,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:15:17,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:15:17,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:15:17,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:17,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,265 INFO L138 Inliner]: procedures = 37, calls = 22, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 5095 [2024-11-14 05:15:18,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:15:18,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:15:18,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:15:18,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:15:18,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:15:18,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:15:18,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:15:18,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:15:18,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:17" (1/1) ... [2024-11-14 05:15:18,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:15:18,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:15:18,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:15:18,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46a2f94-5c65-4341-a983-a9e4d794d730/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:15:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:15:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:15:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:15:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:15:19,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:15:19,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:15:26,351 INFO L? ?]: Removed 744 outVars from TransFormulas that were not future-live. [2024-11-14 05:15:26,351 INFO L287 CfgBuilder]: Performing block encoding