./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem08_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem08_label21.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ba49171dd067cf0984dd44ae5a7bb72eb137a349c4b5a6bd79ca8951ca07b1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 01:28:38,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 01:28:38,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 01:28:38,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 01:28:38,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 01:28:38,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 01:28:38,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 01:28:38,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 01:28:38,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 01:28:38,390 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 01:28:38,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 01:28:38,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 01:28:38,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 01:28:38,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 01:28:38,392 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 01:28:38,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 01:28:38,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 01:28:38,392 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 01:28:38,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 01:28:38,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 01:28:38,393 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 01:28:38,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 01:28:38,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 01:28:38,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 01:28:38,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 01:28:38,394 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 01:28:38,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 01:28:38,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 01:28:38,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 01:28:38,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 01:28:38,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 01:28:38,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 01:28:38,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 01:28:38,395 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 0ba49171dd067cf0984dd44ae5a7bb72eb137a349c4b5a6bd79ca8951ca07b1d [2025-03-08 01:28:38,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 01:28:38,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 01:28:38,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 01:28:38,631 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 01:28:38,631 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 01:28:38,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem08_label21.c [2025-03-08 01:28:39,762 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f06236d/e86899250053434cae77b607732b59b5/FLAGc35c0bb45 [2025-03-08 01:28:41,468 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 01:28:41,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem08_label21.c [2025-03-08 01:28:41,658 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f06236d/e86899250053434cae77b607732b59b5/FLAGc35c0bb45 [2025-03-08 01:28:41,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f06236d/e86899250053434cae77b607732b59b5 [2025-03-08 01:28:41,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 01:28:41,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 01:28:41,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 01:28:41,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 01:28:41,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 01:28:41,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:28:41" (1/1) ... [2025-03-08 01:28:41,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d70cb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:28:41, skipping insertion in model container [2025-03-08 01:28:41,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:28:41" (1/1) ... [2025-03-08 01:28:42,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 01:28:56,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem08_label21.c[5717595,5717608] [2025-03-08 01:28:56,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 01:28:56,535 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 01:29:03,320 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem08_label21.c[5717595,5717608] [2025-03-08 01:29:03,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 01:29:05,912 INFO L204 MainTranslator]: Completed translation [2025-03-08 01:29:05,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05 WrapperNode [2025-03-08 01:29:05,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 01:29:05,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 01:29:05,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 01:29:05,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 01:29:05,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:06,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:09,497 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184367 [2025-03-08 01:29:09,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 01:29:09,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 01:29:09,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 01:29:09,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 01:29:09,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:09,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:09,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:10,586 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 01:29:10,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:10,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:11,653 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:11,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:11,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:12,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:12,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 01:29:12,832 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 01:29:12,832 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 01:29:12,832 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 01:29:12,833 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (1/1) ... [2025-03-08 01:29:12,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 01:29:12,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 01:29:12,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 01:29:12,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 01:29:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 01:29:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 01:29:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 01:29:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 01:29:13,014 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 01:29:13,015 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 01:30:04,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L82419: havoc calculate_output39_#t~ret125#1; [2025-03-08 01:30:04,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L101446: havoc calculate_output48_#t~ret134#1; [2025-03-08 01:30:04,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L50708: havoc calculate_output24_#t~ret110#1; [2025-03-08 01:30:04,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L33801: havoc calculate_output16_#t~ret102#1; [2025-03-08 01:30:04,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L57061: havoc calculate_output27_#t~ret113#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L46499: havoc calculate_output22_#t~ret108#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L61305: havoc calculate_output29_#t~ret115#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L63426: havoc calculate_output30_#t~ret116#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L48627: havoc calculate_output23_#t~ret109#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L31718: havoc calculate_output15_#t~ret101#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L23265: havoc calculate_output11_#t~ret97#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L59216: havoc calculate_output28_#t~ret114#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L44417: havoc calculate_output21_#t~ret107#1; [2025-03-08 01:30:04,579 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L95175: havoc calculate_output45_#t~ret131#1; [2025-03-08 01:30:04,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L84618: havoc calculate_output40_#t~ret126#1; [2025-03-08 01:30:04,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L86769: havoc calculate_output41_#t~ret127#1; [2025-03-08 01:30:04,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L93128: havoc calculate_output44_#t~ret130#1; [2025-03-08 01:30:04,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L91018: havoc calculate_output43_#t~ret129#1; [2025-03-08 01:30:04,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L21287: havoc calculate_output10_#t~ret96#1; [2025-03-08 01:30:04,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L17063: havoc calculate_output8_#t~ret94#1; [2025-03-08 01:30:04,580 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L19184: havoc calculate_output9_#t~ret95#1; [2025-03-08 01:30:04,581 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L88965: havoc calculate_output42_#t~ret128#1; [2025-03-08 01:30:04,581 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L15009: havoc calculate_output7_#t~ret93#1; [2025-03-08 01:30:04,581 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12900: havoc calculate_output6_#t~ret92#1; [2025-03-08 01:30:04,581 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10789: havoc calculate_output5_#t~ret91#1; [2025-03-08 01:30:04,581 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2350: havoc calculate_output_#t~ret87#1; [2025-03-08 01:30:04,581 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4470: havoc calculate_output2_#t~ret88#1; [2025-03-08 01:30:04,581 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8699: havoc calculate_output4_#t~ret90#1; [2025-03-08 01:30:04,582 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6674: havoc calculate_output3_#t~ret89#1; [2025-03-08 01:30:04,587 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L143255: havoc calculate_output68_#t~ret154#1; [2025-03-08 01:30:04,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L134808: havoc calculate_output64_#t~ret150#1; [2025-03-08 01:30:04,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L141152: havoc calculate_output67_#t~ret153#1; [2025-03-08 01:30:04,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L145408: havoc calculate_output69_#t~ret155#1; [2025-03-08 01:30:04,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L136956: havoc calculate_output65_#t~ret151#1; [2025-03-08 01:30:04,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L132730: havoc calculate_output63_#t~ret149#1; [2025-03-08 01:30:04,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L139081: havoc calculate_output66_#t~ret152#1; [2025-03-08 01:30:04,588 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L147549: havoc calculate_output70_#t~ret156#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L149699: havoc calculate_output71_#t~ret157#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L151821: havoc calculate_output72_#t~ret158#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L130686: havoc calculate_output62_#t~ret148#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L153942: havoc calculate_output73_#t~ret159#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L128574: havoc calculate_output61_#t~ret147#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L158195: havoc calculate_output75_#t~ret161#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L122278: havoc calculate_output58_#t~ret144#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L126509: havoc calculate_output60_#t~ret146#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L124410: havoc calculate_output59_#t~ret145#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L156144: havoc calculate_output74_#t~ret160#1; [2025-03-08 01:30:04,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L120203: havoc calculate_output57_#t~ret143#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L160389: havoc calculate_output76_#t~ret162#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L111769: havoc calculate_output53_#t~ret139#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L168880: havoc calculate_output80_#t~ret166#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L164670: havoc calculate_output78_#t~ret164#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L118166: havoc calculate_output56_#t~ret142#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L78003: havoc calculate_output37_#t~ret123#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L166798: havoc calculate_output79_#t~ret165#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L171023: havoc calculate_output81_#t~ret167#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L113949: havoc calculate_output54_#t~ret140#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L71672: havoc calculate_output34_#t~ret120#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L73790: havoc calculate_output35_#t~ret121#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L80156: havoc calculate_output38_#t~ret124#1; [2025-03-08 01:30:04,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L162607: havoc calculate_output77_#t~ret163#1; [2025-03-08 01:30:04,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L75929: havoc calculate_output36_#t~ret122#1; [2025-03-08 01:30:04,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L116102: havoc calculate_output55_#t~ret141#1; [2025-03-08 01:30:04,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L69596: havoc calculate_output33_#t~ret119#1; [2025-03-08 01:30:04,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L67493: havoc calculate_output32_#t~ret118#1; [2025-03-08 01:30:04,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L109806: havoc calculate_output52_#t~ret138#1; [2025-03-08 01:30:04,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L54847: havoc calculate_output26_#t~ret112#1; [2025-03-08 01:30:04,591 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L97140: havoc calculate_output46_#t~ret132#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L105598: havoc calculate_output50_#t~ret136#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L52753: havoc calculate_output25_#t~ret111#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L27387: havoc calculate_output13_#t~ret99#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L35849: havoc calculate_output17_#t~ret103#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L103512: havoc calculate_output49_#t~ret135#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L42212: havoc calculate_output20_#t~ret106#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L107749: havoc calculate_output51_#t~ret137#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L37987: havoc calculate_output18_#t~ret104#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L65475: havoc calculate_output31_#t~ret117#1; [2025-03-08 01:30:04,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L99307: havoc calculate_output47_#t~ret133#1; [2025-03-08 01:30:04,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L40120: havoc calculate_output19_#t~ret105#1; [2025-03-08 01:30:04,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L25324: havoc calculate_output12_#t~ret98#1; [2025-03-08 01:30:04,593 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L29562: havoc calculate_output14_#t~ret100#1; [2025-03-08 01:30:06,362 INFO L? ?]: Removed 18108 outVars from TransFormulas that were not future-live. [2025-03-08 01:30:06,363 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 01:30:06,541 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 01:30:06,541 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 01:30:06,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:30:06 BoogieIcfgContainer [2025-03-08 01:30:06,542 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 01:30:06,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 01:30:06,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 01:30:06,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 01:30:06,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:28:41" (1/3) ... [2025-03-08 01:30:06,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e001cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:30:06, skipping insertion in model container [2025-03-08 01:30:06,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:29:05" (2/3) ... [2025-03-08 01:30:06,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e001cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:30:06, skipping insertion in model container [2025-03-08 01:30:06,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:30:06" (3/3) ... [2025-03-08 01:30:06,548 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem08_label21.c [2025-03-08 01:30:06,557 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 01:30:06,561 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem08_label21.c that has 1 procedures, 23215 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 01:30:06,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 01:30:06,852 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@696453bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 01:30:06,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 01:30:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 23215 states, 23213 states have (on average 1.8828242794985568) internal successors, (43706), 23214 states have internal predecessors, (43706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)