./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.07.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_1.cil-1+token_ring.07.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.07.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 14:15:36,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:36,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:36,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:36,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:36,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:36,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:36,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:36,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:36,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:36,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:36,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:36,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:36,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:36,302 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:36,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:36,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:36,302 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:36,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:36,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:36,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:36,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:36,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:36,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:36,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:36,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:36,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:36,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:36,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:36,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:36,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:36,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:36,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:36,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:36,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:36,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:36,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:36,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:36,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:36,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:36,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:36,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:36,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:36,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:36,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:36,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:36,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:36,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:36,530 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:36,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c [2024-08-14 14:15:38,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:38,197 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:38,198 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c [2024-08-14 14:15:38,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733011d7c/5ac9eea9ee4948afb32fc066d16f04fe/FLAGa4aa8d083 [2024-08-14 14:15:38,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733011d7c/5ac9eea9ee4948afb32fc066d16f04fe [2024-08-14 14:15:38,232 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:38,232 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:38,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.07.cil-1.yml/witness.yml [2024-08-14 14:15:38,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:38,323 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:38,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:38,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:38,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:38,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:38" (1/2) ... [2024-08-14 14:15:38,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e918640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:38" (1/2) ... [2024-08-14 14:15:38,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@960d0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:38" (2/2) ... [2024-08-14 14:15:38,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e918640 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:38" (2/2) ... [2024-08-14 14:15:38,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:38,529 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_1.cil-1+token_ring.07.cil-1.c[913,926] [2024-08-14 14:15:38,569 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_1.cil-1+token_ring.07.cil-1.c[5994,6007] [2024-08-14 14:15:38,622 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:38,635 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:38,649 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_1.cil-1+token_ring.07.cil-1.c[913,926] [2024-08-14 14:15:38,662 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_1.cil-1+token_ring.07.cil-1.c[5994,6007] [2024-08-14 14:15:38,697 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:38,715 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:38,715 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:38 WrapperNode [2024-08-14 14:15:38,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:38,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:38,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:38,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:38,729 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,732 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,745 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,777 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 14:15:38,777 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,777 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,787 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,788 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,790 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:38,796 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:38,796 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:38,796 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:38,797 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 02:15:38" (1/1) ... [2024-08-14 14:15:38,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:38,825 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 14:15:38,826 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 14:15:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:15:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2024-08-14 14:15:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2024-08-14 14:15:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:38,949 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:38,951 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:39,524 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:39,524 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:39,542 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:39,543 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:39,543 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:39 BoogieIcfgContainer [2024-08-14 14:15:39,543 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:39,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:39,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:39,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:39,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:38" (1/4) ... [2024-08-14 14:15:39,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169cdc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:39, skipping insertion in model container [2024-08-14 14:15:39,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:38" (2/4) ... [2024-08-14 14:15:39,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169cdc3c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:39, skipping insertion in model container [2024-08-14 14:15:39,550 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 02:15:38" (3/4) ... [2024-08-14 14:15:39,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169cdc3c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:39, skipping insertion in model container [2024-08-14 14:15:39,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:39" (4/4) ... [2024-08-14 14:15:39,552 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.07.cil-1.c [2024-08-14 14:15:39,553 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:39,567 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:39,567 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:39,598 INFO L92 WitnessUtils]: Constructing product of automaton with 461 states and violation witness of the following lengths: [18] [2024-08-14 14:15:39,602 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 461 states, 347 states have (on average 1.521613832853026) internal successors, (528), 366 states have internal predecessors, (528), 65 states have call successors, (65), 46 states have call predecessors, (65), 46 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-08-14 14:15:40,114 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 686 states to 0 states. [2024-08-14 14:15:40,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:40,135 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;@561d763c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:40,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:40,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:40,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:40,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:40,142 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:40,144 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:40,146 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:40 BoogieIcfgContainer [2024-08-14 14:15:40,146 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:40,147 INFO L158 Benchmark]: Toolchain (without parser) took 1824.31ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 108.5MB in the beginning and 137.8MB in the end (delta: -29.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,147 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:40,148 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 111.0MB in the end (delta: 195.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:40,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.80ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 141.1MB in the end (delta: -32.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,148 INFO L158 Benchmark]: Boogie Preprocessor took 77.86ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 137.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,148 INFO L158 Benchmark]: IcfgBuilder took 747.18ms. Allocated memory is still 184.5MB. Free memory was 137.1MB in the beginning and 78.4MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,149 INFO L158 Benchmark]: TraceAbstraction took 601.58ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 77.2MB in the beginning and 137.8MB in the end (delta: -60.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 111.0MB in the end (delta: 195.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.80ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 141.1MB in the end (delta: -32.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.86ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 137.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 747.18ms. Allocated memory is still 184.5MB. Free memory was 137.1MB in the beginning and 78.4MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 601.58ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 77.2MB in the beginning and 137.8MB in the end (delta: -60.6MB). Peak memory consumption was 27.3MB. 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: 27]: 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: 390]: 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 48 procedures, 464 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, 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 14:15:40,181 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