./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.06.cil-2.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.06.cil-2.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.06.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.06.cil-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:15:55,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:55,557 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:55,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:55,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:55,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:55,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:55,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:55,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:55,601 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:55,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:55,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:55,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:55,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:55,603 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:55,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:55,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:55,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:55,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:55,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:55,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:55,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:55,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:55,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:55,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:55,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:55,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:55,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:55,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:55,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:55,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:55,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:55,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:55,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:55,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:55,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:55,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:55,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:55,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:55,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:55,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:55,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:55,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:55,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:55,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:55,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:55,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:55,903 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:55,903 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:55,905 INFO L431 ainManager$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.06.cil-2.yml/witness.yml [2024-08-14 14:15:56,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:56,014 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:56,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.06.cil-2.c [2024-08-14 14:15:57,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:57,666 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:57,667 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.06.cil-2.c [2024-08-14 14:15:57,685 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf03eba2/36486c8b72ff45f8be27867d401d7ad7/FLAG445e80056 [2024-08-14 14:15:57,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf03eba2/36486c8b72ff45f8be27867d401d7ad7 [2024-08-14 14:15:57,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:57,700 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:57,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:57,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:57,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:57,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:56" (1/2) ... [2024-08-14 14:15:57,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b8a929 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:57, skipping insertion in model container [2024-08-14 14:15:57,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:56" (1/2) ... [2024-08-14 14:15:57,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3419d235 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:57, skipping insertion in model container [2024-08-14 14:15:57,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:57" (2/2) ... [2024-08-14 14:15:57,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b8a929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:57, skipping insertion in model container [2024-08-14 14:15:57,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:57" (2/2) ... [2024-08-14 14:15:57,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:57,912 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.06.cil-2.c[914,927] [2024-08-14 14:15:57,970 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.06.cil-2.c[7125,7138] [2024-08-14 14:15:58,050 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:58,068 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:58,081 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.06.cil-2.c[914,927] [2024-08-14 14:15:58,109 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.06.cil-2.c[7125,7138] [2024-08-14 14:15:58,158 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:58,180 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:58,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58 WrapperNode [2024-08-14 14:15:58,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:58,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:58,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:58,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:58,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,232 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 14:15:58,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:58,271 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:58,271 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:58,271 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:58,272 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (1/1) ... [2024-08-14 14:15:58,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:58,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:58,300 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 14:15:58,301 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 14:15:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:15:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:15:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:15:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:15:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2024-08-14 14:15:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:15:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:15:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:58,465 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:58,467 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:59,257 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:59,257 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:59,281 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:59,282 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:59,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:59 BoogieIcfgContainer [2024-08-14 14:15:59,282 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:59,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:59,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:59,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:59,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:56" (1/4) ... [2024-08-14 14:15:59,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a42ce0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:59, skipping insertion in model container [2024-08-14 14:15:59,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:57" (2/4) ... [2024-08-14 14:15:59,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a42ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:59, skipping insertion in model container [2024-08-14 14:15:59,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:58" (3/4) ... [2024-08-14 14:15:59,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a42ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:59, skipping insertion in model container [2024-08-14 14:15:59,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:59" (4/4) ... [2024-08-14 14:15:59,295 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.06.cil-2.c [2024-08-14 14:15:59,296 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:59,317 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:59,317 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:59,355 INFO L92 WitnessUtils]: Constructing product of automaton with 459 states and violation witness of the following lengths: [39] [2024-08-14 14:15:59,362 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 459 states, 337 states have (on average 1.513353115727003) internal successors, (510), 356 states have internal predecessors, (510), 70 states have call successors, (70), 48 states have call predecessors, (70), 48 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-08-14 14:16:00,504 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2308 states to 0 states. [2024-08-14 14:16:00,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:00,529 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;@5bacc3e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:00,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:16:00,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:16:00,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:16:00,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:16:00,542 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:16:00,547 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:16:00,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:16:00 BoogieIcfgContainer [2024-08-14 14:16:00,550 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:16:00,554 INFO L158 Benchmark]: Toolchain (without parser) took 2850.54ms. Allocated memory was 146.8MB in the beginning and 270.5MB in the end (delta: 123.7MB). Free memory was 90.4MB in the beginning and 105.0MB in the end (delta: -14.6MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2024-08-14 14:16:00,555 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 111.3MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:00,555 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:00,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.27ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 67.3MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-14 14:16:00,556 INFO L158 Benchmark]: Boogie Preprocessor took 88.38ms. Allocated memory is still 146.8MB. Free memory was 67.3MB in the beginning and 63.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:00,558 INFO L158 Benchmark]: IcfgBuilder took 1011.35ms. Allocated memory was 146.8MB in the beginning and 224.4MB in the end (delta: 77.6MB). Free memory was 63.2MB in the beginning and 154.7MB in the end (delta: -91.5MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-08-14 14:16:00,559 INFO L158 Benchmark]: TraceAbstraction took 1262.38ms. Allocated memory was 224.4MB in the beginning and 270.5MB in the end (delta: 46.1MB). Free memory was 153.6MB in the beginning and 105.0MB in the end (delta: 48.7MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-08-14 14:16:00,561 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 0.24ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 111.3MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.27ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 67.3MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.38ms. Allocated memory is still 146.8MB. Free memory was 67.3MB in the beginning and 63.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1011.35ms. Allocated memory was 146.8MB in the beginning and 224.4MB in the end (delta: 77.6MB). Free memory was 63.2MB in the beginning and 154.7MB in the end (delta: -91.5MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1262.38ms. Allocated memory was 224.4MB in the beginning and 270.5MB in the end (delta: 46.1MB). Free memory was 153.6MB in the beginning and 105.0MB in the end (delta: 48.7MB). Peak memory consumption was 94.8MB. 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 51 procedures, 464 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, 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 14:16:00,607 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