./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label10.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_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/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_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/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_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/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 0020262eba5474e3784f7f1343eb8b68c85d1b28aae47daf6eecda6cdc03e612 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:01:47,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:01:47,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:01:47,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:01:47,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:01:47,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:01:47,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:01:47,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:01:47,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:01:47,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:01:47,611 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:01:47,611 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:01:47,612 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:01:47,612 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:01:47,612 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:01:47,612 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:01:47,613 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:01:47,613 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:01:47,613 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:01:47,614 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:01:47,614 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:01:47,618 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:01:47,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:01:47,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:01:47,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:01:47,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:01:47,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:01:47,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:01:47,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:01:47,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:01:47,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:01:47,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:01:47,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:01:47,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:01:47,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:01:47,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:01:47,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:01:47,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:01:47,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:01:47,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:01:47,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:01:47,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:01:47,629 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:01:47,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:01:47,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:01:47,630 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:01:47,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:01:47,630 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_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0020262eba5474e3784f7f1343eb8b68c85d1b28aae47daf6eecda6cdc03e612 [2024-11-09 05:01:47,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:01:47,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:01:47,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:01:47,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:01:47,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:01:47,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/eca-rers2012/Problem19_label10.c Unable to find full path for "g++" [2024-11-09 05:01:49,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:01:50,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:01:50,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/sv-benchmarks/c/eca-rers2012/Problem19_label10.c [2024-11-09 05:01:50,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/data/0070774d4/878a42b8b98f437bae719aed77944e32/FLAGdf444e9c4 [2024-11-09 05:01:50,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/data/0070774d4/878a42b8b98f437bae719aed77944e32 [2024-11-09 05:01:50,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:01:50,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:01:50,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:01:50,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:01:50,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:01:50,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:01:50" (1/1) ... [2024-11-09 05:01:50,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43452280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:50, skipping insertion in model container [2024-11-09 05:01:50,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:01:50" (1/1) ... [2024-11-09 05:01:50,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:01:51,355 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_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/sv-benchmarks/c/eca-rers2012/Problem19_label10.c[1448,1461] [2024-11-09 05:01:53,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:01:53,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:01:53,253 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_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/sv-benchmarks/c/eca-rers2012/Problem19_label10.c[1448,1461] [2024-11-09 05:01:54,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:01:54,442 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:01:54,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54 WrapperNode [2024-11-09 05:01:54,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:01:54,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:01:54,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:01:54,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:01:54,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:54,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:55,565 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9430 [2024-11-09 05:01:55,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:01:55,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:01:55,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:01:55,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:01:55,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:55,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:55,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:55,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:56,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:56,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:56,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:56,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:56,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:01:56,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:01:56,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:01:56,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:01:56,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:01:54" (1/1) ... [2024-11-09 05:01:56,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:01:56,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:56,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:01:56,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce6f2b2-9a4d-44cc-a7b8-9f1191e812b7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:01:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:01:56,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:01:56,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:02:07,593 INFO L? ?]: Removed 1320 outVars from TransFormulas that were not future-live. [2024-11-09 05:02:07,593 INFO L287 CfgBuilder]: Performing block encoding