./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.03.cil-2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.03.cil-2.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.03.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.03.cil-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:15:50,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:50,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:50,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:50,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:50,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:50,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:50,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:50,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:50,833 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:50,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:50,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:50,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:50,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:50,834 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:50,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:50,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:50,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:50,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:50,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:50,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:50,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:50,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:50,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:50,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:50,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:50,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:50,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:50,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:50,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:50,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:50,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:50,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:50,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:50,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:50,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:50,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:50,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:50,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:50,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:50,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:50,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:50,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:50,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:51,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:51,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:51,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:51,051 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:51,052 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:51,052 INFO L431 ainManager$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.03.cil-2.yml/witness.yml [2024-08-14 14:15:51,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:51,131 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:51,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.03.cil-2.c [2024-08-14 14:15:52,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:52,518 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:52,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.03.cil-2.c [2024-08-14 14:15:52,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4bbea4e/c7532e8205bc499d9e8126119968d5a5/FLAG303bd2ea5 [2024-08-14 14:15:52,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4bbea4e/c7532e8205bc499d9e8126119968d5a5 [2024-08-14 14:15:52,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:52,916 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:52,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:52,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:52,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:52,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:51" (1/2) ... [2024-08-14 14:15:52,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18012983 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52, skipping insertion in model container [2024-08-14 14:15:52,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:51" (1/2) ... [2024-08-14 14:15:52,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f02440 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:52, skipping insertion in model container [2024-08-14 14:15:52,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:52" (2/2) ... [2024-08-14 14:15:52,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18012983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:52, skipping insertion in model container [2024-08-14 14:15:52,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:52" (2/2) ... [2024-08-14 14:15:52,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:53,079 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.03.cil-2.c[914,927] [2024-08-14 14:15:53,123 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.03.cil-2.c[7125,7138] [2024-08-14 14:15:53,165 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:53,173 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:53,183 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.03.cil-2.c[914,927] [2024-08-14 14:15:53,201 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.03.cil-2.c[7125,7138] [2024-08-14 14:15:53,222 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:53,238 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:53,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53 WrapperNode [2024-08-14 14:15:53,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:53,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:53,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:53,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:53,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,277 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 14:15:53,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:53,303 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:53,303 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:53,304 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:53,304 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (1/1) ... [2024-08-14 14:15:53,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:53,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:53,332 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 14:15:53,334 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 14:15:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:15:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:53,377 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:53,378 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:15:53,379 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:53,380 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:53,381 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:53,382 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:53,471 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:53,477 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:53,984 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:53,985 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:53,996 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:53,996 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:53,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:53 BoogieIcfgContainer [2024-08-14 14:15:53,997 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:53,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:53,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:54,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:54,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:51" (1/4) ... [2024-08-14 14:15:54,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669df256 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:54, skipping insertion in model container [2024-08-14 14:15:54,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:52" (2/4) ... [2024-08-14 14:15:54,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669df256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:54, skipping insertion in model container [2024-08-14 14:15:54,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53" (3/4) ... [2024-08-14 14:15:54,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669df256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:54, skipping insertion in model container [2024-08-14 14:15:54,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:53" (4/4) ... [2024-08-14 14:15:54,003 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.03.cil-2.c [2024-08-14 14:15:54,003 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:54,018 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:54,018 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:54,048 INFO L92 WitnessUtils]: Constructing product of automaton with 363 states and violation witness of the following lengths: [39] [2024-08-14 14:15:54,054 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 363 states, 256 states have (on average 1.4765625) internal successors, (378), 272 states have internal predecessors, (378), 61 states have call successors, (61), 42 states have call predecessors, (61), 42 states have return successors, (61), 59 states have call predecessors, (61), 61 states have call successors, (61) [2024-08-14 14:15:54,639 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2212 states to 0 states. [2024-08-14 14:15:54,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:54,662 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;@4ef7b8cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:54,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:54,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:54,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:54,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:54,669 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:54,671 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:54,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:54 BoogieIcfgContainer [2024-08-14 14:15:54,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:54,675 INFO L158 Benchmark]: Toolchain (without parser) took 1758.36ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 104.9MB in the beginning and 142.1MB in the end (delta: -37.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,675 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:54,676 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:54,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.17ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 83.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,677 INFO L158 Benchmark]: Boogie Preprocessor took 63.58ms. Allocated memory is still 163.6MB. Free memory was 83.5MB in the beginning and 80.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,677 INFO L158 Benchmark]: IcfgBuilder took 693.46ms. Allocated memory is still 163.6MB. Free memory was 80.0MB in the beginning and 122.0MB in the end (delta: -42.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,678 INFO L158 Benchmark]: TraceAbstraction took 675.06ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 121.1MB in the beginning and 142.1MB in the end (delta: -21.0MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,679 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 0.16ms. Allocated memory is still 163.6MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.17ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 83.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.58ms. Allocated memory is still 163.6MB. Free memory was 83.5MB in the beginning and 80.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 693.46ms. Allocated memory is still 163.6MB. Free memory was 80.0MB in the beginning and 122.0MB in the end (delta: -42.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * TraceAbstraction took 675.06ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 121.1MB in the beginning and 142.1MB in the end (delta: -21.0MB). Peak memory consumption was 50.0MB. 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 45 procedures, 368 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, 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 14:15:54,704 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