./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/token_ring.09.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/token_ring.09.cil-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 ae06fa96255229a08f1e8c01eaa7f353b1ba462dacd64e058a3c6957598773d9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:13:34,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:13:34,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:13:34,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:13:34,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:13:34,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:13:34,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:13:34,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:13:34,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:13:34,879 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:13:34,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:13:34,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:13:34,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:13:34,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:13:34,881 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:13:34,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:13:34,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:13:34,881 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:13:34,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:13:34,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:13:34,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:13:34,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:13:34,882 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:13:34,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:13:34,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:13:34,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:13:34,884 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-jdk21/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 -> ae06fa96255229a08f1e8c01eaa7f353b1ba462dacd64e058a3c6957598773d9 [2025-02-07 21:13:35,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:13:35,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:13:35,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:13:35,131 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:13:35,132 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:13:35,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.09.cil-2.c [2025-02-07 21:13:36,296 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37be8921b/d0afe3176c48412e9f4acb911c64173c/FLAGe2af6e6a3 [2025-02-07 21:13:36,502 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:13:36,502 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.09.cil-2.c [2025-02-07 21:13:36,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37be8921b/d0afe3176c48412e9f4acb911c64173c/FLAGe2af6e6a3 [2025-02-07 21:13:36,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37be8921b/d0afe3176c48412e9f4acb911c64173c [2025-02-07 21:13:36,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:13:36,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:13:36,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:13:36,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:13:36,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:13:36,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:13:36" (1/1) ... [2025-02-07 21:13:36,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f4f7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:36, skipping insertion in model container [2025-02-07 21:13:36,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:13:36" (1/1) ... [2025-02-07 21:13:36,869 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:13:36,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.09.cil-2.c[671,684] [2025-02-07 21:13:37,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:13:37,105 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:13:37,113 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.09.cil-2.c[671,684] [2025-02-07 21:13:37,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:13:37,196 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:13:37,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37 WrapperNode [2025-02-07 21:13:37,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:13:37,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:13:37,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:13:37,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:13:37,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,236 INFO L138 Inliner]: procedures = 46, calls = 59, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 669 [2025-02-07 21:13:37,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:13:37,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:13:37,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:13:37,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:13:37,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,247 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,257 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]. [2025-02-07 21:13:37,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:13:37,270 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:13:37,270 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:13:37,270 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:13:37,271 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (1/1) ... [2025-02-07 21:13:37,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:13:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:13:37,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 21:13:37,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 21:13:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:13:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure error [2025-02-07 21:13:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2025-02-07 21:13:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2025-02-07 21:13:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2025-02-07 21:13:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2025-02-07 21:13:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2025-02-07 21:13:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2025-02-07 21:13:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2025-02-07 21:13:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2025-02-07 21:13:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2025-02-07 21:13:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2025-02-07 21:13:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2025-02-07 21:13:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:13:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2025-02-07 21:13:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2025-02-07 21:13:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:13:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:13:37,397 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:13:37,399 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:13:37,917 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1472: assume 0 != start_simulation_~tmp___0~1#1; [2025-02-07 21:13:37,917 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1472: assume !(0 != start_simulation_~tmp___0~1#1); [2025-02-07 21:13:37,917 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L349: ~E_7~0 := 2; [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L349-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1324: assume 1 == ~T8_E~0;~T8_E~0 := 2; [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1324: assume !(1 == ~T8_E~0); [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L383: ~token~0 := 1 + ~token~0;~E_8~0 := 1; [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1374: assume 1 == ~E_8~0;~E_8~0 := 2; [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1374: assume !(1 == ~E_8~0); [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L862: assume { :end_inline_transmit4 } true; [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: SUMMARY for call error(); srcloc: null [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1457: assume -2147483648 <= start_simulation_#t~ret28#1 && start_simulation_#t~ret28#1 <= 2147483647;start_simulation_~tmp~3#1 := start_simulation_#t~ret28#1;havoc start_simulation_#t~ret28#1; [2025-02-07 21:13:37,918 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1457-1: SUMMARY for call start_simulation_#t~ret28#1 := exists_runnable_thread(); srcloc: null [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L169: ~E_2~0 := 2; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L169-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1309: assume 1 == ~T5_E~0;~T5_E~0 := 2; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1309: assume !(1 == ~T5_E~0); [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1359: assume 1 == ~E_5~0;~E_5~0 := 2; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1359: assume !(1 == ~E_5~0); [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L203: ~token~0 := 1 + ~token~0;~E_3~0 := 1; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L385: ~E_8~0 := 2; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L385-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1459: assume 0 == start_simulation_~tmp~3#1;start_simulation_~kernel_st~0#1 := 4;assume { :begin_inline_fire_time_events } true;~M_E~0 := 1; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1459: assume !(0 == start_simulation_~tmp~3#1); [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L848: assume { :end_inline_transmit3 } true; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1294: assume 1 == ~T2_E~0;~T2_E~0 := 2; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1294: assume !(1 == ~T2_E~0); [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L419: ~token~0 := 1 + ~token~0;~E_9~0 := 1; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1344: assume 1 == ~E_2~0;~E_2~0 := 2; [2025-02-07 21:13:37,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1344: assume !(1 == ~E_2~0); [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume master_~tmp_var~0#1 <= 5; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !(master_~tmp_var~0#1 <= 5); [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: ~E_3~0 := 2; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1444: havoc eval_#t~ret6#1, eval_#t~nondet7#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet11#1, eval_~tmp_ndt_5~0#1, eval_#t~nondet12#1, eval_~tmp_ndt_6~0#1, eval_#t~nondet13#1, eval_~tmp_ndt_7~0#1, eval_#t~nondet14#1, eval_~tmp_ndt_8~0#1, eval_#t~nondet15#1, eval_~tmp_ndt_9~0#1, eval_#t~nondet16#1, eval_~tmp_ndt_10~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932: assume { :end_inline_transmit9 } true; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume master_~tmp_var~0#1 >= 5; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume !(master_~tmp_var~0#1 >= 5); [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1329: assume 1 == ~T9_E~0;~T9_E~0 := 2; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1329: assume !(1 == ~T9_E~0); [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: ~token~0 := 1 + ~token~0;~E_4~0 := 1; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L421: ~E_9~0 := 2; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1412: assume -2147483648 <= stop_simulation_#t~ret27#1 && stop_simulation_#t~ret27#1 <= 2147483647;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret27#1;havoc stop_simulation_#t~ret27#1; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L421-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1412-1: SUMMARY for call stop_simulation_#t~ret27#1 := exists_runnable_thread(); srcloc: null [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1379: assume 1 == ~E_9~0;~E_9~0 := 2; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1379: assume !(1 == ~E_9~0); [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L834: assume { :end_inline_transmit2 } true; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1462: assume { :end_inline_fire_time_events } true; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L455: ~token~0 := 1 + ~token~0;~E_M~0 := 1; [2025-02-07 21:13:37,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1314: assume 1 == ~T6_E~0;~T6_E~0 := 2; [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1314: assume !(1 == ~T6_E~0); [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1463: assume { :begin_inline_reset_time_events } true; [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1463-1: SUMMARY for call activate_threads(); srcloc: null [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L918: assume { :end_inline_transmit8 } true; [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1364: assume 1 == ~E_6~0;~E_6~0 := 2; [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1364: assume !(1 == ~E_6~0); [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: ~E_4~0 := 2; [2025-02-07 21:13:37,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1414: assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1414: assume !(0 != stop_simulation_~tmp~2#1);stop_simulation_~__retres2~0#1 := 1;stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1464: assume { :end_inline_reset_time_events } true; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L820: assume { :end_inline_transmit1 } true; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1299: assume 1 == ~T3_E~0;~T3_E~0 := 2; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1299: assume !(1 == ~T3_E~0); [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L275: ~token~0 := 1 + ~token~0;~E_5~0 := 1; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: ~E_M~0 := 2; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1448: start_simulation_~kernel_st~0#1 := 3; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L457-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1448-1: SUMMARY for call update_channels(); srcloc: null [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1349: assume 1 == ~E_3~0;~E_3~0 := 2; [2025-02-07 21:13:37,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1349: assume !(1 == ~E_3~0); [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L904: assume { :end_inline_transmit7 } true; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1284: assume 1 == ~M_E~0;~M_E~0 := 2; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1284: assume !(1 == ~M_E~0); [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L128: assume master_~tmp_var~0#1 <= 5; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L128: assume !(master_~tmp_var~0#1 <= 5); [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1334: assume 1 == ~E_M~0;~E_M~0 := 2; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1334: assume !(1 == ~E_M~0); [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L277: ~E_5~0 := 2; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L277-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L806: havoc master_#t~nondet4#1, master_#t~nondet5#1, master_~tmp_var~0#1;assume { :end_inline_master } true; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: assume master_~tmp_var~0#1 >= 5; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: assume !(master_~tmp_var~0#1 >= 5); [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L311: ~token~0 := 1 + ~token~0;~E_6~0 := 1; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1319: assume 1 == ~T7_E~0;~T7_E~0 := 2; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1319: assume !(1 == ~T7_E~0); [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume 5 == master_~tmp_var~0#1; [2025-02-07 21:13:37,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: assume !(5 == master_~tmp_var~0#1); [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L890: assume { :end_inline_transmit6 } true; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1369: assume 1 == ~E_7~0;~E_7~0 := 2; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1369: assume !(1 == ~E_7~0); [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1452: SUMMARY for call fire_delta_events(); srcloc: null [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: SUMMARY for call error(); srcloc: null [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L313: ~E_6~0 := 2; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1304: assume 1 == ~T4_E~0;~T4_E~0 := 2; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1304: assume !(1 == ~T4_E~0); [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L313-1: SUMMARY for call immediate_notify(); srcloc: null [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1453: SUMMARY for call activate_threads(); srcloc: null [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1354: assume 1 == ~E_4~0;~E_4~0 := 2; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1354: assume !(1 == ~E_4~0); [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1470: start_simulation_#t~ret29#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret27#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;assume -2147483648 <= start_simulation_#t~ret29#1 && start_simulation_#t~ret29#1 <= 2147483647;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret29#1;havoc start_simulation_#t~ret29#1; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1470-1: assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret27#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L347: ~token~0 := 1 + ~token~0;~E_7~0 := 1; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1454: SUMMARY for call reset_delta_events(); srcloc: null [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L876: assume { :end_inline_transmit5 } true; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1289: assume 1 == ~T1_E~0;~T1_E~0 := 2; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1289: assume !(1 == ~T1_E~0); [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1339: assume 1 == ~E_1~0;~E_1~0 := 2; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1339: assume !(1 == ~E_1~0); [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume ~token~0 != 9 + ~local~0; [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume !(~token~0 != 9 + ~local~0); [2025-02-07 21:13:37,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: ~token~0 := 1 + ~token~0;~E_2~0 := 1; [2025-02-07 21:13:37,964 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2025-02-07 21:13:37,964 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:13:37,992 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:13:37,992 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:13:37,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:13:37 BoogieIcfgContainer [2025-02-07 21:13:37,993 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:13:37,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:13:37,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:13:37,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:13:37,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:13:36" (1/3) ... [2025-02-07 21:13:37,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a563bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:13:37, skipping insertion in model container [2025-02-07 21:13:37,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:13:37" (2/3) ... [2025-02-07 21:13:37,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a563bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:13:37, skipping insertion in model container [2025-02-07 21:13:38,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:13:37" (3/3) ... [2025-02-07 21:13:38,001 INFO L128 eAbstractionObserver]: Analyzing ICFG token_ring.09.cil-2.c [2025-02-07 21:13:38,012 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:13:38,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG token_ring.09.cil-2.c that has 8 procedures, 257 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2025-02-07 21:13:38,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:13:38,066 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;@4ac19046, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:13:38,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:13:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 186 states have (on average 1.7688172043010753) internal successors, (329), 239 states have internal predecessors, (329), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-07 21:13:38,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:13:38,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:13:38,089 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 21:13:38,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 253 states, 186 states have (on average 1.7688172043010753) internal successors, (329), 239 states have internal predecessors, (329), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-07 21:13:38,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:13:38,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:13:38 BoogieIcfgContainer [2025-02-07 21:13:38,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:13:38,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:13:38,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:13:38,149 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:13:38,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:13:37" (3/4) ... [2025-02-07 21:13:38,151 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:13:38,155 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure activate_threads [2025-02-07 21:13:38,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure immediate_notify [2025-02-07 21:13:38,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread [2025-02-07 21:13:38,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure fire_delta_events [2025-02-07 21:13:38,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure update_channels [2025-02-07 21:13:38,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure reset_delta_events [2025-02-07 21:13:38,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure error [2025-02-07 21:13:38,170 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-07 21:13:38,171 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-07 21:13:38,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:13:38,173 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:13:38,282 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:13:38,283 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:13:38,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:13:38,284 INFO L158 Benchmark]: Toolchain (without parser) took 1440.51ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 85.0MB in the end (delta: 26.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2025-02-07 21:13:38,284 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:13:38,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.82ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 92.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:13:38,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.66ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:13:38,285 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:13:38,286 INFO L158 Benchmark]: IcfgBuilder took 723.04ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 108.9MB in the end (delta: -22.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2025-02-07 21:13:38,286 INFO L158 Benchmark]: TraceAbstraction took 153.30ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 96.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:13:38,287 INFO L158 Benchmark]: Witness Printer took 134.49ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 85.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:13:38,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.82ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 92.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.66ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 723.04ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 108.9MB in the end (delta: -22.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * TraceAbstraction took 153.30ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 96.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 134.49ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 85.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 21:13:38,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE