./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem05_label43+token_ring.01.cil-2.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem05_label43+token_ring.01.cil-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:12:53,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:12:53,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:12:53,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:12:53,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:12:53,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:12:53,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:12:53,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:12:53,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:12:53,975 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:12:53,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:12:53,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:12:53,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:12:53,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:12:53,977 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:12:53,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:12:53,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:12:53,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:12:53,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:12:53,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:12:53,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:12:53,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:12:53,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:12:53,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:12:53,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:12:53,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:12:53,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:12:53,982 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:12:53,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:12:53,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:12:53,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:12:53,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:12:53,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:12:53,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:12:53,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:12:53,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:12:53,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:12:53,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:12:53,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:12:53,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:12:53,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:12:53,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:12:53,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:12:53,987 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:12:54,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:12:54,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:12:54,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:12:54,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:12:54,271 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:12:54,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c [2024-08-14 14:12:55,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:12:56,258 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:12:56,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c [2024-08-14 14:12:56,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/867218415/ca2ae003e3b646f0bff6291c5a114b86/FLAG88f0b1da2 [2024-08-14 14:12:56,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/867218415/ca2ae003e3b646f0bff6291c5a114b86 [2024-08-14 14:12:56,327 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:12:56,328 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:12:56,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem05_label43+token_ring.01.cil-2.yml/witness.yml [2024-08-14 14:12:56,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:12:56,490 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:12:56,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:12:56,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:12:56,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:12:56,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:12:56" (1/2) ... [2024-08-14 14:12:56,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe1c263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:56, skipping insertion in model container [2024-08-14 14:12:56,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:12:56" (1/2) ... [2024-08-14 14:12:56,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d93b313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:56, skipping insertion in model container [2024-08-14 14:12:56,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:56" (2/2) ... [2024-08-14 14:12:56,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe1c263 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:56, skipping insertion in model container [2024-08-14 14:12:56,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:56" (2/2) ... [2024-08-14 14:12:56,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:12:58,265 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c[381679,381692] [2024-08-14 14:12:58,303 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c[383339,383352] [2024-08-14 14:12:58,438 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:12:58,449 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:12:59,303 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c[381679,381692] [2024-08-14 14:12:59,311 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label43+token_ring.01.cil-2.c[383339,383352] [2024-08-14 14:12:59,323 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:12:59,392 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:12:59,393 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59 WrapperNode [2024-08-14 14:12:59,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:12:59,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:12:59,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:12:59,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:12:59,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,616 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]. [2024-08-14 14:12:59,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:12:59,898 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:12:59,899 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:12:59,899 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:12:59,899 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (1/1) ... [2024-08-14 14:12:59,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:12:59,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:12:59,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:12:59,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2024-08-14 14:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2024-08-14 14:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2024-08-14 14:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2024-08-14 14:13:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2024-08-14 14:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2024-08-14 14:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2024-08-14 14:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2024-08-14 14:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-08-14 14:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2024-08-14 14:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2024-08-14 14:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2024-08-14 14:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2024-08-14 14:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2024-08-14 14:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2024-08-14 14:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-08-14 14:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-08-14 14:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2024-08-14 14:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-08-14 14:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2024-08-14 14:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-08-14 14:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-08-14 14:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-08-14 14:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2024-08-14 14:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2024-08-14 14:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2024-08-14 14:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2024-08-14 14:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2024-08-14 14:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:00,217 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:00,220 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:02,376 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc #t~ret20; [2024-08-14 14:13:03,331 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc #t~ret19; [2024-08-14 14:13:04,298 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc #t~ret18; [2024-08-14 14:13:05,114 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc #t~ret17; [2024-08-14 14:13:05,920 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc #t~ret16; [2024-08-14 14:13:06,718 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc #t~ret15; [2024-08-14 14:13:07,408 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc #t~ret14; [2024-08-14 14:13:07,792 INFO L? ?]: Removed 1663 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:07,792 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:07,839 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:07,839 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:07,840 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:07 BoogieIcfgContainer [2024-08-14 14:13:07,840 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:07,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:07,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:07,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:07,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:12:56" (1/4) ... [2024-08-14 14:13:07,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77235c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:13:07, skipping insertion in model container [2024-08-14 14:13:07,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:56" (2/4) ... [2024-08-14 14:13:07,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77235c45 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:07, skipping insertion in model container [2024-08-14 14:13:07,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59" (3/4) ... [2024-08-14 14:13:07,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77235c45 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:07, skipping insertion in model container [2024-08-14 14:13:07,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:07" (4/4) ... [2024-08-14 14:13:07,851 INFO L119 eAbstractionObserver]: Analyzing ICFG Problem05_label43+token_ring.01.cil-2.c [2024-08-14 14:13:07,851 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:07,873 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:07,873 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:07,953 INFO L92 WitnessUtils]: Constructing product of automaton with 2386 states and violation witness of the following lengths: [102] [2024-08-14 14:13:07,972 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 2386 states, 2313 states have (on average 1.843493298746217) internal successors, (4264), 2321 states have internal predecessors, (4264), 40 states have call successors, (40), 30 states have call predecessors, (40), 30 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-08-14 14:13:16,023 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 4854 states to 0 states. [2024-08-14 14:13:16,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:16,049 INFO L357 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, mHoare=false, 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;@37f8ef5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:16,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:13:16,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:13:16,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:13:16,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:13:16,058 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:13:16,062 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:13:16,067 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:13:16 BoogieIcfgContainer [2024-08-14 14:13:16,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:13:16,070 INFO L158 Benchmark]: Toolchain (without parser) took 19578.30ms. Allocated memory was 178.3MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 109.4MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 671.4MB. Max. memory is 16.1GB. [2024-08-14 14:13:16,070 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:16,071 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:16,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2901.52ms. Allocated memory was 178.3MB in the beginning and 262.1MB in the end (delta: 83.9MB). Free memory was 109.4MB in the beginning and 148.8MB in the end (delta: -39.4MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. [2024-08-14 14:13:16,072 INFO L158 Benchmark]: Boogie Preprocessor took 503.06ms. Allocated memory is still 262.1MB. Free memory was 148.8MB in the beginning and 87.0MB in the end (delta: 61.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-08-14 14:13:16,073 INFO L158 Benchmark]: IcfgBuilder took 7942.09ms. Allocated memory was 262.1MB in the beginning and 731.9MB in the end (delta: 469.8MB). Free memory was 87.0MB in the beginning and 282.2MB in the end (delta: -195.2MB). Peak memory consumption was 275.6MB. Max. memory is 16.1GB. [2024-08-14 14:13:16,073 INFO L158 Benchmark]: TraceAbstraction took 8225.47ms. Allocated memory was 731.9MB in the beginning and 2.8GB in the end (delta: 2.0GB). Free memory was 281.2MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 289.5MB. Max. memory is 16.1GB. [2024-08-14 14:13:16,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2901.52ms. Allocated memory was 178.3MB in the beginning and 262.1MB in the end (delta: 83.9MB). Free memory was 109.4MB in the beginning and 148.8MB in the end (delta: -39.4MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 503.06ms. Allocated memory is still 262.1MB. Free memory was 148.8MB in the beginning and 87.0MB in the end (delta: 61.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * IcfgBuilder took 7942.09ms. Allocated memory was 262.1MB in the beginning and 731.9MB in the end (delta: 469.8MB). Free memory was 87.0MB in the beginning and 282.2MB in the end (delta: -195.2MB). Peak memory consumption was 275.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8225.47ms. Allocated memory was 731.9MB in the beginning and 2.8GB in the end (delta: 2.0GB). Free memory was 281.2MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 289.5MB. 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: 11173]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 11118]: 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 32 procedures, 2389 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 14:13:16,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE