./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+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_2.cil-2+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_2.cil-2+token_ring.07.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+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 14:15:58,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:58,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:58,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:58,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:58,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:58,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:58,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:58,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:58,285 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:58,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:58,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:58,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:58,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:58,287 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:58,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:58,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:58,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:58,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:58,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:58,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:58,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:58,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:58,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:58,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:58,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:58,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:58,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:58,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:58,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:58,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:58,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:58,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:58,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:58,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:58,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:58,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:58,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:58,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:58,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:58,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:58,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:58,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:58,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:58,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:58,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:58,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:58,624 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:58,625 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:58,627 INFO L431 ainManager$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.07.cil-1.yml/witness.yml [2024-08-14 14:15:58,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:58,747 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:58,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2024-08-14 14:16:00,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:16:00,463 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:16:00,464 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2024-08-14 14:16:00,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd92caba3/f1980c657c5b4daaaa95ee9370c6232b/FLAG6ecb89586 [2024-08-14 14:16:00,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd92caba3/f1980c657c5b4daaaa95ee9370c6232b [2024-08-14 14:16:00,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:16:00,507 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:16:00,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:00,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:16:00,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:16:00,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:58" (1/2) ... [2024-08-14 14:16:00,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d600eca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:00, skipping insertion in model container [2024-08-14 14:16:00,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:58" (1/2) ... [2024-08-14 14:16:00,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79949b84 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:00, skipping insertion in model container [2024-08-14 14:16:00,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:00" (2/2) ... [2024-08-14 14:16:00,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d600eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00, skipping insertion in model container [2024-08-14 14:16:00,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:00" (2/2) ... [2024-08-14 14:16:00,566 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:16:00,718 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.07.cil-1.c[914,927] [2024-08-14 14:16:00,767 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.07.cil-1.c[7125,7138] [2024-08-14 14:16:00,870 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:00,882 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:16:00,892 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.07.cil-1.c[914,927] [2024-08-14 14:16:00,906 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.07.cil-1.c[7125,7138] [2024-08-14 14:16:00,953 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:00,977 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:16:00,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00 WrapperNode [2024-08-14 14:16:00,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:00,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:16:00,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:16:00,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:16:00,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:00,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,044 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 14:16:01,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:16:01,074 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:16:01,074 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:16:01,074 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:16:01,075 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (1/1) ... [2024-08-14 14:16:01,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:16:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:16:01,115 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 14:16:01,118 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 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:16:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:16:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:16:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:16:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:16:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:16:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:16:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:16:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:16:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:16:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2024-08-14 14:16:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2024-08-14 14:16:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:16:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:16:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:16:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:16:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:16:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:16:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2024-08-14 14:16:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2024-08-14 14:16:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:16:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:16:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:16:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:16:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:16:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:16:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:16:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:16:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:16:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:16:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:16:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:16:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:16:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:16:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:16:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:16:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:16:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:16:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:16:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:16:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:16:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:16:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:16:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:16:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:16:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:16:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:16:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:16:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:16:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:16:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:16:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:16:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:16:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:16:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:16:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:16:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:16:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:16:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:16:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:16:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:16:01,432 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:16:01,436 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:16:02,288 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2024-08-14 14:16:02,289 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:16:02,319 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:16:02,320 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:16:02,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:02 BoogieIcfgContainer [2024-08-14 14:16:02,320 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:16:02,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:16:02,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:16:02,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:16:02,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:58" (1/4) ... [2024-08-14 14:16:02,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3292d254 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:02, skipping insertion in model container [2024-08-14 14:16:02,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:16:00" (2/4) ... [2024-08-14 14:16:02,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3292d254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:02, skipping insertion in model container [2024-08-14 14:16:02,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:00" (3/4) ... [2024-08-14 14:16:02,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3292d254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:02, skipping insertion in model container [2024-08-14 14:16:02,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:02" (4/4) ... [2024-08-14 14:16:02,333 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2024-08-14 14:16:02,334 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:16:02,358 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:16:02,361 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:16:02,406 INFO L92 WitnessUtils]: Constructing product of automaton with 491 states and violation witness of the following lengths: [39] [2024-08-14 14:16:02,413 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 491 states, 364 states have (on average 1.521978021978022) internal successors, (554), 384 states have internal predecessors, (554), 73 states have call successors, (73), 50 states have call predecessors, (73), 50 states have return successors, (73), 71 states have call predecessors, (73), 73 states have call successors, (73) [2024-08-14 14:16:03,459 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2340 states to 0 states. [2024-08-14 14:16:03,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:03,493 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;@6333b3db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:03,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:16:03,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:16:03,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:16:03,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:16:03,507 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:16:03,511 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:16:03,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:16:03 BoogieIcfgContainer [2024-08-14 14:16:03,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:16:03,520 INFO L158 Benchmark]: Toolchain (without parser) took 3007.15ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 122.6MB in the beginning and 183.6MB in the end (delta: -61.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:03,520 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:03,521 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:03,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.37ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 98.6MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:03,523 INFO L158 Benchmark]: Boogie Preprocessor took 94.17ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 94.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:03,524 INFO L158 Benchmark]: IcfgBuilder took 1246.34ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 62.3MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-08-14 14:16:03,524 INFO L158 Benchmark]: TraceAbstraction took 1189.24ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 61.3MB in the beginning and 183.6MB in the end (delta: -122.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:03,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.37ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 98.6MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.17ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 94.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1246.34ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 62.3MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1189.24ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 61.3MB in the beginning and 183.6MB in the end (delta: -122.3MB). There was no memory consumed. 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 53 procedures, 496 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, 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 14:16:03,559 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