./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.09.cil-1.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.09.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 14:15:38,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:38,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:38,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:38,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:38,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:38,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:38,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:38,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:38,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:38,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:38,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:38,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:38,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:38,387 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:38,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:38,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:38,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:38,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:38,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:38,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:38,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:38,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:38,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:38,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:38,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:38,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:38,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:38,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:38,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:38,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:38,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:38,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:38,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:38,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:38,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:38,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:38,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:38,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:38,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:38,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:38,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:38,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:38,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:38,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:38,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:38,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:38,721 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:38,722 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:38,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.09.cil-1.yml/witness.yml [2024-08-14 14:15:38,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:38,792 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:38,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c [2024-08-14 14:15:40,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:40,427 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:40,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c [2024-08-14 14:15:40,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8261cf5ae/6d62e1ee4ca247409cd5bc1d1d64caa7/FLAG1045722e0 [2024-08-14 14:15:40,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8261cf5ae/6d62e1ee4ca247409cd5bc1d1d64caa7 [2024-08-14 14:15:40,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:40,775 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:40,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:40,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:40,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:40,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:38" (1/2) ... [2024-08-14 14:15:40,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c825f55 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:40, skipping insertion in model container [2024-08-14 14:15:40,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:38" (1/2) ... [2024-08-14 14:15:40,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5682b32c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:40, skipping insertion in model container [2024-08-14 14:15:40,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:40" (2/2) ... [2024-08-14 14:15:40,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c825f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:40, skipping insertion in model container [2024-08-14 14:15:40,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:40" (2/2) ... [2024-08-14 14:15:40,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:41,053 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c[913,926] [2024-08-14 14:15:41,115 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c[5994,6007] [2024-08-14 14:15:41,226 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:41,242 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:41,255 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c[913,926] [2024-08-14 14:15:41,278 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.09.cil-1.c[5994,6007] [2024-08-14 14:15:41,334 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:41,365 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:41,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41 WrapperNode [2024-08-14 14:15:41,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:41,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:41,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:41,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:41,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,418 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 14:15:41,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:41,449 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:41,449 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:41,449 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:41,450 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (1/1) ... [2024-08-14 14:15:41,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:41,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:41,489 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 14:15:41,494 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 14:15:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:15:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2024-08-14 14:15:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2024-08-14 14:15:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2024-08-14 14:15:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2024-08-14 14:15:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2024-08-14 14:15:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2024-08-14 14:15:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2024-08-14 14:15:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2024-08-14 14:15:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:15:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2024-08-14 14:15:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:41,750 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:41,755 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:42,772 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:42,773 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:42,796 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:42,800 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:42,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:42 BoogieIcfgContainer [2024-08-14 14:15:42,801 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:42,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:42,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:42,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:42,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:38" (1/4) ... [2024-08-14 14:15:42,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7d8ae1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:42, skipping insertion in model container [2024-08-14 14:15:42,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:40" (2/4) ... [2024-08-14 14:15:42,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7d8ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:42, skipping insertion in model container [2024-08-14 14:15:42,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:41" (3/4) ... [2024-08-14 14:15:42,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7d8ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:42, skipping insertion in model container [2024-08-14 14:15:42,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:42" (4/4) ... [2024-08-14 14:15:42,812 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.09.cil-1.c [2024-08-14 14:15:42,813 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:42,833 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:42,834 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:42,882 INFO L92 WitnessUtils]: Constructing product of automaton with 525 states and violation witness of the following lengths: [18] [2024-08-14 14:15:42,890 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 525 states, 401 states have (on average 1.5361596009975063) internal successors, (616), 422 states have internal predecessors, (616), 71 states have call successors, (71), 50 states have call predecessors, (71), 50 states have return successors, (71), 69 states have call predecessors, (71), 71 states have call successors, (71) [2024-08-14 14:15:43,616 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 750 states to 0 states. [2024-08-14 14:15:43,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:43,649 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;@321b435c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:43,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:43,651 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:43,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:43,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:43,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:43,661 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:43,664 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:43,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:43 BoogieIcfgContainer [2024-08-14 14:15:43,667 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:43,668 INFO L158 Benchmark]: Toolchain (without parser) took 2892.66ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 75.8MB in the beginning and 129.5MB in the end (delta: -53.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-08-14 14:15:43,668 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:43,668 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 153.1MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:43,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.61ms. Allocated memory is still 153.1MB. Free memory was 75.8MB in the beginning and 108.5MB in the end (delta: -32.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-08-14 14:15:43,672 INFO L158 Benchmark]: Boogie Preprocessor took 81.52ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 104.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:43,673 INFO L158 Benchmark]: IcfgBuilder took 1351.92ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 62.0MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-08-14 14:15:43,673 INFO L158 Benchmark]: TraceAbstraction took 863.92ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 62.0MB in the beginning and 129.5MB in the end (delta: -67.6MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:43,678 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 0.21ms. Allocated memory is still 153.1MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.24ms. Allocated memory is still 153.1MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.61ms. Allocated memory is still 153.1MB. Free memory was 75.8MB in the beginning and 108.5MB in the end (delta: -32.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.52ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 104.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1351.92ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 62.0MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 863.92ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 62.0MB in the beginning and 129.5MB in the end (delta: -67.6MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 390]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 528 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.8s, 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 14:15:43,710 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