./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.04.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.04.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.04.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.04.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 14:15:51,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:51,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:51,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:51,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:51,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:51,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:51,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:51,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:51,698 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:51,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:51,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:51,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:51,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:51,703 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:51,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:51,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:51,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:51,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:51,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:51,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:51,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:51,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:51,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:51,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:51,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:51,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:51,711 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:51,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:51,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:51,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:51,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:51,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:51,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:51,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:51,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:51,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:51,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:51,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:51,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:51,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:51,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:51,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:51,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:51,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:51,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:52,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:52,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:52,006 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:52,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.04.cil-1.c [2024-08-14 14:15:53,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:53,793 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:53,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.04.cil-1.c [2024-08-14 14:15:53,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c461ae9b6/8983826fce5042f99f5ede0684e58757/FLAG32c2c9403 [2024-08-14 14:15:53,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c461ae9b6/8983826fce5042f99f5ede0684e58757 [2024-08-14 14:15:53,828 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:53,829 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:53,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.04.cil-1.yml/witness.yml [2024-08-14 14:15:53,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:53,936 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:53,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:53,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:53,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:53,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:53" (1/2) ... [2024-08-14 14:15:53,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1678ab0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:53" (1/2) ... [2024-08-14 14:15:53,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@555a7609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:53" (2/2) ... [2024-08-14 14:15:53,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1678ab0e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:53" (2/2) ... [2024-08-14 14:15:53,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:54,147 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.04.cil-1.c[914,927] [2024-08-14 14:15:54,205 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.04.cil-1.c[7125,7138] [2024-08-14 14:15:54,266 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:54,286 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:54,303 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.04.cil-1.c[914,927] [2024-08-14 14:15:54,321 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.04.cil-1.c[7125,7138] [2024-08-14 14:15:54,349 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:54,377 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:54,378 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:54 WrapperNode [2024-08-14 14:15:54,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:54,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:54,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:54,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:54,393 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,394 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,405 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,427 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 14:15:54,427 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,428 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,442 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,449 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,452 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:54,468 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:54,468 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:54,468 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:54,469 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 02:15:54" (1/1) ... [2024-08-14 14:15:54,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:54,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:54,510 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 14:15:54,512 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 14:15:54,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:15:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:54,564 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:54,564 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:54,564 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:15:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:54,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:54,764 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:54,766 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:55,408 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:55,408 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:55,428 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:55,429 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:55,429 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:55 BoogieIcfgContainer [2024-08-14 14:15:55,429 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:55,432 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:55,432 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:55,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:55,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:53" (1/4) ... [2024-08-14 14:15:55,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5e0c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:55, skipping insertion in model container [2024-08-14 14:15:55,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:53" (2/4) ... [2024-08-14 14:15:55,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5e0c4b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:55, skipping insertion in model container [2024-08-14 14:15:55,440 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 02:15:54" (3/4) ... [2024-08-14 14:15:55,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5e0c4b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:55, skipping insertion in model container [2024-08-14 14:15:55,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:55" (4/4) ... [2024-08-14 14:15:55,445 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.04.cil-1.c [2024-08-14 14:15:55,445 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:55,465 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:55,465 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:55,509 INFO L92 WitnessUtils]: Constructing product of automaton with 395 states and violation witness of the following lengths: [39] [2024-08-14 14:15:55,513 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 395 states, 283 states have (on average 1.4911660777385158) internal successors, (422), 300 states have internal predecessors, (422), 64 states have call successors, (64), 44 states have call predecessors, (64), 44 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-08-14 14:15:56,399 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2244 states to 0 states. [2024-08-14 14:15:56,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:56,426 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;@2b6e18da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:56,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:56,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:56,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:56,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:56,438 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:56,441 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:56,447 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:56 BoogieIcfgContainer [2024-08-14 14:15:56,447 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:56,448 INFO L158 Benchmark]: Toolchain (without parser) took 2512.22ms. Allocated memory was 163.6MB in the beginning and 274.7MB in the end (delta: 111.1MB). Free memory was 87.4MB in the beginning and 166.8MB in the end (delta: -79.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-08-14 14:15:56,449 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 163.6MB. Free memory was 114.0MB in the beginning and 113.8MB in the end (delta: 232.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:56,451 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:56,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.81ms. Allocated memory is still 163.6MB. Free memory was 87.1MB in the beginning and 66.4MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:56,452 INFO L158 Benchmark]: Boogie Preprocessor took 88.01ms. Allocated memory is still 163.6MB. Free memory was 66.4MB in the beginning and 62.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:56,453 INFO L158 Benchmark]: IcfgBuilder took 961.29ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 62.7MB in the beginning and 158.0MB in the end (delta: -95.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:56,453 INFO L158 Benchmark]: TraceAbstraction took 1015.30ms. Allocated memory was 228.6MB in the beginning and 274.7MB in the end (delta: 46.1MB). Free memory was 156.9MB in the beginning and 166.8MB in the end (delta: -9.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-08-14 14:15:56,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 163.6MB. Free memory was 114.0MB in the beginning and 113.8MB in the end (delta: 232.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.81ms. Allocated memory is still 163.6MB. Free memory was 87.1MB in the beginning and 66.4MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.01ms. Allocated memory is still 163.6MB. Free memory was 66.4MB in the beginning and 62.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 961.29ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 62.7MB in the beginning and 158.0MB in the end (delta: -95.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1015.30ms. Allocated memory was 228.6MB in the beginning and 274.7MB in the end (delta: 46.1MB). Free memory was 156.9MB in the beginning and 166.8MB in the end (delta: -9.8MB). Peak memory consumption was 36.3MB. 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: 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 47 procedures, 400 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, 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 14:15:56,488 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