./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_3.cil+token_ring.01.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_3.cil+token_ring.01.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_3.cil+token_ring.01.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 14:16:05,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:16:05,372 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:16:05,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:16:05,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:16:05,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:16:05,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:16:05,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:16:05,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:16:05,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:16:05,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:16:05,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:16:05,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:16:05,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:16:05,403 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:16:05,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:16:05,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:16:05,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:16:05,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:16:05,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:16:05,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:16:05,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:16:05,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:16:05,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:16:05,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:16:05,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:16:05,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:16:05,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:16:05,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:16:05,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:16:05,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:16:05,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:16:05,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:16:05,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:16:05,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:16:05,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:16:05,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:16:05,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:16:05,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:16:05,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:16:05,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:16:05,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:16:05,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:16:05,411 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:16:05,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:16:05,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:16:05,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:16:05,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:16:05,612 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:16:05,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c [2024-08-14 14:16:06,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:16:06,992 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:16:06,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_3.cil+token_ring.01.cil-2.c [2024-08-14 14:16:07,009 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635dccf8b/32babb5963d244a59202fa8b44f9d2c7/FLAG551c02797 [2024-08-14 14:16:07,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635dccf8b/32babb5963d244a59202fa8b44f9d2c7 [2024-08-14 14:16:07,025 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:16:07,026 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:16:07,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_3.cil+token_ring.01.cil-2.yml/witness.yml [2024-08-14 14:16:07,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:16:07,125 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:16:07,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:07,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:16:07,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:16:07,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:07" (1/2) ... [2024-08-14 14:16:07,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a453143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:07, skipping insertion in model container [2024-08-14 14:16:07,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:07" (1/2) ... [2024-08-14 14:16:07,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60617cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:07, skipping insertion in model container [2024-08-14 14:16:07,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:07" (2/2) ... [2024-08-14 14:16:07,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a453143 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:07, skipping insertion in model container [2024-08-14 14:16:07,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:07" (2/2) ... [2024-08-14 14:16:07,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:16:07,289 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_3.cil+token_ring.01.cil-2.c[911,924] [2024-08-14 14:16:07,374 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_3.cil+token_ring.01.cil-2.c[8416,8429] [2024-08-14 14:16:07,413 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:07,437 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:16:07,446 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_3.cil+token_ring.01.cil-2.c[911,924] [2024-08-14 14:16:07,471 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_3.cil+token_ring.01.cil-2.c[8416,8429] [2024-08-14 14:16:07,486 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:07,501 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:16:07,501 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:07 WrapperNode [2024-08-14 14:16:07,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:07,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:16:07,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:16:07,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:16:07,512 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,512 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,524 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,539 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:16:07,539 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,539 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,547 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,549 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,550 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:16:07,553 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:16:07,553 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:16:07,553 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:16:07,554 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 02:16:07" (1/1) ... [2024-08-14 14:16:07,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:16:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:16:07,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:16:07,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:16:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:16:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:16:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events1 [2024-08-14 14:16:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events1 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:16:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:16:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:16:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:16:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:16:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:16:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:16:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:16:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:16:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:16:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:16:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:16:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:16:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:16:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:16:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:16:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:16:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:16:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:16:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:16:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:16:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:16:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:16:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events1 [2024-08-14 14:16:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:16:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:16:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:16:07,707 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:16:07,711 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:16:07,894 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: ~a~0 := ~a_t~0; [2024-08-14 14:16:07,894 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2024-08-14 14:16:07,895 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume !(1 == ~q_free~0); [2024-08-14 14:16:08,138 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-08-14 14:16:08,139 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:16:08,151 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:16:08,151 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:16:08,151 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:08 BoogieIcfgContainer [2024-08-14 14:16:08,151 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:16:08,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:16:08,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:16:08,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:16:08,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:16:07" (1/4) ... [2024-08-14 14:16:08,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b532fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:08, skipping insertion in model container [2024-08-14 14:16:08,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:07" (2/4) ... [2024-08-14 14:16:08,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b532fa7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:08, skipping insertion in model container [2024-08-14 14:16:08,156 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 02:16:07" (3/4) ... [2024-08-14 14:16:08,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b532fa7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:08, skipping insertion in model container [2024-08-14 14:16:08,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:08" (4/4) ... [2024-08-14 14:16:08,157 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil+token_ring.01.cil-2.c [2024-08-14 14:16:08,159 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:16:08,174 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:16:08,174 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:16:08,205 INFO L92 WitnessUtils]: Constructing product of automaton with 324 states and violation witness of the following lengths: [102] [2024-08-14 14:16:08,209 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 324 states, 221 states have (on average 1.4570135746606334) internal successors, (322), 236 states have internal predecessors, (322), 59 states have call successors, (59), 40 states have call predecessors, (59), 40 states have return successors, (59), 57 states have call predecessors, (59), 59 states have call successors, (59) [2024-08-14 14:16:08,985 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2785 states to 0 states. [2024-08-14 14:16:08,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:09,004 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;@51b8d48d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:09,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:16:09,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:16:09,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:16:09,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:16:09,011 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:16:09,013 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:16:09,015 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:16:09 BoogieIcfgContainer [2024-08-14 14:16:09,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:16:09,017 INFO L158 Benchmark]: Toolchain (without parser) took 1891.41ms. Allocated memory was 197.1MB in the beginning and 262.1MB in the end (delta: 65.0MB). Free memory was 119.7MB in the beginning and 83.3MB in the end (delta: 36.4MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2024-08-14 14:16:09,017 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:09,018 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:09,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.79ms. Allocated memory is still 197.1MB. Free memory was 119.3MB in the beginning and 159.5MB in the end (delta: -40.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-08-14 14:16:09,018 INFO L158 Benchmark]: Boogie Preprocessor took 50.22ms. Allocated memory is still 197.1MB. Free memory was 159.5MB in the beginning and 156.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:16:09,020 INFO L158 Benchmark]: IcfgBuilder took 598.27ms. Allocated memory is still 197.1MB. Free memory was 156.6MB in the beginning and 116.3MB in the end (delta: 40.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-08-14 14:16:09,020 INFO L158 Benchmark]: TraceAbstraction took 862.82ms. Allocated memory was 197.1MB in the beginning and 262.1MB in the end (delta: 65.0MB). Free memory was 115.5MB in the beginning and 83.3MB in the end (delta: 32.2MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:09,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.79ms. Allocated memory is still 197.1MB. Free memory was 119.3MB in the beginning and 159.5MB in the end (delta: -40.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.22ms. Allocated memory is still 197.1MB. Free memory was 159.5MB in the beginning and 156.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 598.27ms. Allocated memory is still 197.1MB. Free memory was 156.6MB in the beginning and 116.3MB in the end (delta: 40.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 862.82ms. Allocated memory was 197.1MB in the beginning and 262.1MB in the end (delta: 65.0MB). Free memory was 115.5MB in the beginning and 83.3MB in the end (delta: 32.2MB). Peak memory consumption was 99.2MB. 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: 599]: 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 43 procedures, 329 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 14:16:09,048 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