./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.05.cil-1.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.05.cil-1.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/pc_sfifo_2.cil-2+token_ring.05.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.05.cil-1.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 14:15:53,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:53,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:53,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:53,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:53,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:53,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:53,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:53,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:53,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:53,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:53,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:53,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:53,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:53,342 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:53,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:53,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:53,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:53,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:53,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:53,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:53,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:53,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:53,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:53,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:53,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:53,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:53,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:53,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:53,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:53,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:53,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:53,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:53,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:53,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:53,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:53,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:53,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:53,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:53,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:53,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:53,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:53,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:53,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:53,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:53,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:53,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:53,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:53,624 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:53,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.05.cil-1.c [2024-08-14 14:15:55,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:55,335 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:55,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.05.cil-1.c [2024-08-14 14:15:55,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e78ab184/c9f239fe49e042dba6a493d83de0f24d/FLAGb45125d2c [2024-08-14 14:15:55,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e78ab184/c9f239fe49e042dba6a493d83de0f24d [2024-08-14 14:15:55,695 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:55,696 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:55,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.05.cil-1.yml/witness.yml [2024-08-14 14:15:55,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:55,800 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:55,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:55,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:55,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:55,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:55" (1/2) ... [2024-08-14 14:15:55,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da26074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:55, skipping insertion in model container [2024-08-14 14:15:55,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:55" (1/2) ... [2024-08-14 14:15:55,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40731fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:55, skipping insertion in model container [2024-08-14 14:15:55,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:55" (2/2) ... [2024-08-14 14:15:55,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da26074 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:55, skipping insertion in model container [2024-08-14 14:15:55,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:55" (2/2) ... [2024-08-14 14:15:55,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:56,022 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/pc_sfifo_2.cil-2+token_ring.05.cil-1.c[914,927] [2024-08-14 14:15:56,084 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/pc_sfifo_2.cil-2+token_ring.05.cil-1.c[7125,7138] [2024-08-14 14:15:56,152 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:56,168 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:56,178 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/pc_sfifo_2.cil-2+token_ring.05.cil-1.c[914,927] [2024-08-14 14:15:56,202 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/pc_sfifo_2.cil-2+token_ring.05.cil-1.c[7125,7138] [2024-08-14 14:15:56,236 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:56,271 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:56,272 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:56 WrapperNode [2024-08-14 14:15:56,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:56,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:56,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:56,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:56,286 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,287 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,308 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,351 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 14:15:56,355 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,355 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,378 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,386 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,391 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:56,400 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:56,400 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:56,400 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:56,401 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 02:15:56" (1/1) ... [2024-08-14 14:15:56,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:56,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:56,438 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 14:15:56,440 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 14:15:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:15:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:15:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:15:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:15:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:15:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:15:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:15:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:15:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:56,606 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:56,608 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:57,355 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:57,356 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:57,380 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:57,381 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:57,381 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:57 BoogieIcfgContainer [2024-08-14 14:15:57,382 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:57,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:57,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:57,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:57,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:55" (1/4) ... [2024-08-14 14:15:57,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403fd2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:57, skipping insertion in model container [2024-08-14 14:15:57,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:55" (2/4) ... [2024-08-14 14:15:57,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403fd2b2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:57, skipping insertion in model container [2024-08-14 14:15:57,391 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 02:15:56" (3/4) ... [2024-08-14 14:15:57,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403fd2b2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:57, skipping insertion in model container [2024-08-14 14:15:57,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:57" (4/4) ... [2024-08-14 14:15:57,392 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.05.cil-1.c [2024-08-14 14:15:57,394 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:57,417 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:57,417 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:57,460 INFO L92 WitnessUtils]: Constructing product of automaton with 427 states and violation witness of the following lengths: [39] [2024-08-14 14:15:57,468 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 427 states, 310 states have (on average 1.5032258064516129) internal successors, (466), 328 states have internal predecessors, (466), 67 states have call successors, (67), 46 states have call predecessors, (67), 46 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-08-14 14:15:58,400 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2276 states to 0 states. [2024-08-14 14:15:58,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:58,423 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;@72404815, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:58,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:58,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:58,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:58,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:58,432 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:58,435 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:58,438 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:58 BoogieIcfgContainer [2024-08-14 14:15:58,439 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:58,441 INFO L158 Benchmark]: Toolchain (without parser) took 2640.36ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 180.7MB in the beginning and 78.7MB in the end (delta: 102.0MB). Peak memory consumption was 142.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:58,442 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:58,442 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 209.7MB. Free memory is still 179.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:58,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.81ms. Allocated memory is still 209.7MB. Free memory was 180.7MB in the beginning and 158.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:58,444 INFO L158 Benchmark]: Boogie Preprocessor took 126.67ms. Allocated memory is still 209.7MB. Free memory was 158.7MB in the beginning and 154.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:58,445 INFO L158 Benchmark]: IcfgBuilder took 981.97ms. Allocated memory is still 209.7MB. Free memory was 154.6MB in the beginning and 172.7MB in the end (delta: -18.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:58,446 INFO L158 Benchmark]: TraceAbstraction took 1055.79ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 171.6MB in the beginning and 78.7MB in the end (delta: 92.9MB). Peak memory consumption was 133.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:58,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 209.7MB. Free memory is still 179.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.81ms. Allocated memory is still 209.7MB. Free memory was 180.7MB in the beginning and 158.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.67ms. Allocated memory is still 209.7MB. Free memory was 158.7MB in the beginning and 154.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 981.97ms. Allocated memory is still 209.7MB. Free memory was 154.6MB in the beginning and 172.7MB in the end (delta: -18.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1055.79ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 171.6MB in the beginning and 78.7MB in the end (delta: 92.9MB). Peak memory consumption was 133.8MB. 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: 28]: 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: 496]: 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 49 procedures, 432 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, 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 14:15:58,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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