./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje --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 f04f66c8e72ceb971e2f29ed85e69a03c9d3169624ba3bb9fabfc183df38c241 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:05:34,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:05:34,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:05:34,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:05:34,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:05:34,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:05:34,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:05:34,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:05:34,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:05:34,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:05:34,427 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:05:34,427 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:05:34,428 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:05:34,428 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:05:34,430 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:05:34,430 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:05:34,431 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:05:34,431 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:05:34,431 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:05:34,432 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:05:34,432 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:05:34,436 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:05:34,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:05:34,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:05:34,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:05:34,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:05:34,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:05:34,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:05:34,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:05:34,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:05:34,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:05:34,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:05:34,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:05:34,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:05:34,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:05:34,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:05:34,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:05:34,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:05:34,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:05:34,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:05:34,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:05:34,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:05:34,443 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:05:34,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:05:34,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:05:34,443 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:05:34,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:05:34,444 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f04f66c8e72ceb971e2f29ed85e69a03c9d3169624ba3bb9fabfc183df38c241 [2024-11-09 01:05:34,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:05:34,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:05:34,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:05:34,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:05:34,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:05:34,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/eca-programs/Problem103_label40.c Unable to find full path for "g++" [2024-11-09 01:05:36,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:05:39,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:05:39,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/sv-benchmarks/c/eca-programs/Problem103_label40.c [2024-11-09 01:05:40,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/data/719f9a3b4/7bf761976de1410c90f4b4c9b2a08a6a/FLAGb631353cf [2024-11-09 01:05:40,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/data/719f9a3b4/7bf761976de1410c90f4b4c9b2a08a6a [2024-11-09 01:05:40,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:05:40,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:05:40,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:05:40,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:05:40,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:05:40,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:40" (1/1) ... [2024-11-09 01:05:40,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6853b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:40, skipping insertion in model container [2024-11-09 01:05:40,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:40" (1/1) ... [2024-11-09 01:05:42,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:06:08,950 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_2c157b80-8ef8-42e6-889b-12272fcd2f64/sv-benchmarks/c/eca-programs/Problem103_label40.c[6305498,6305511] [2024-11-09 01:06:09,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:06:09,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:06:25,030 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_2c157b80-8ef8-42e6-889b-12272fcd2f64/sv-benchmarks/c/eca-programs/Problem103_label40.c[6305498,6305511] [2024-11-09 01:06:25,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:06:30,079 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:06:30,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30 WrapperNode [2024-11-09 01:06:30,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:06:30,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:06:30,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:06:30,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:06:30,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:31,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:37,049 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197898 [2024-11-09 01:06:37,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:06:37,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:06:37,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:06:37,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:06:37,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:37,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:38,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:38,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:41,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:41,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:42,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:42,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:43,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:06:43,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:06:43,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:06:43,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:06:43,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:06:30" (1/1) ... [2024-11-09 01:06:43,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:06:43,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:06:43,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:06:43,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c157b80-8ef8-42e6-889b-12272fcd2f64/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:06:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:06:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:06:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:06:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:06:43,388 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:06:43,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:08:30,041 INFO L? ?]: Removed 16411 outVars from TransFormulas that were not future-live. [2024-11-09 01:08:30,041 INFO L287 CfgBuilder]: Performing block encoding