./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.02.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.02.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.02.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.02.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 14:15:30,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:30,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:30,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:30,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:30,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:30,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:30,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:30,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:30,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:30,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:30,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:30,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:30,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:30,319 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:30,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:30,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:30,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:30,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:30,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:30,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:30,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:30,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:30,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:30,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:30,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:30,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:30,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:30,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:30,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:30,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:30,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:30,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:30,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:30,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:30,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:30,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:30,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:30,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:30,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:30,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:30,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:30,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:30,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:30,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:30,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:30,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:30,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:30,622 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:30,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2024-08-14 14:15:32,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:32,270 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:32,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2024-08-14 14:15:32,287 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed564ec3/85fd79a019bd4f7d93c65758bde20f24/FLAG6b9f1c662 [2024-08-14 14:15:32,301 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed564ec3/85fd79a019bd4f7d93c65758bde20f24 [2024-08-14 14:15:32,304 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:32,304 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:32,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.02.cil-1.yml/witness.yml [2024-08-14 14:15:32,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:32,388 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:32,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:32,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:32,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:32,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:32" (1/2) ... [2024-08-14 14:15:32,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676f4cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:32" (1/2) ... [2024-08-14 14:15:32,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e9b1d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:32" (2/2) ... [2024-08-14 14:15:32,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676f4cb0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:32" (2/2) ... [2024-08-14 14:15:32,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:32,617 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.02.cil-1.c[913,926] [2024-08-14 14:15:32,675 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.02.cil-1.c[5994,6007] [2024-08-14 14:15:32,729 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:32,746 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:32,760 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.02.cil-1.c[913,926] [2024-08-14 14:15:32,781 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.02.cil-1.c[5994,6007] [2024-08-14 14:15:32,805 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:32,825 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:32,825 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32 WrapperNode [2024-08-14 14:15:32,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:32,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:32,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:32,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:32,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,884 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 14:15:32,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:32,914 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:32,914 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:32,915 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:32,917 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (1/1) ... [2024-08-14 14:15:32,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:32,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:32,952 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 14:15:32,954 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 14:15:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:33,134 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:33,140 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:33,790 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:33,790 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:33,804 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:33,805 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:33,805 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:33 BoogieIcfgContainer [2024-08-14 14:15:33,806 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:33,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:33,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:33,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:33,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:32" (1/4) ... [2024-08-14 14:15:33,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aca821d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:33, skipping insertion in model container [2024-08-14 14:15:33,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:32" (2/4) ... [2024-08-14 14:15:33,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aca821d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:33, skipping insertion in model container [2024-08-14 14:15:33,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32" (3/4) ... [2024-08-14 14:15:33,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aca821d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:33, skipping insertion in model container [2024-08-14 14:15:33,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:33" (4/4) ... [2024-08-14 14:15:33,819 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2024-08-14 14:15:33,819 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:33,839 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:33,839 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:33,875 INFO L92 WitnessUtils]: Constructing product of automaton with 301 states and violation witness of the following lengths: [18] [2024-08-14 14:15:33,880 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 301 states, 212 states have (on average 1.4528301886792452) internal successors, (308), 226 states have internal predecessors, (308), 50 states have call successors, (50), 36 states have call predecessors, (50), 36 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-08-14 14:15:34,187 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 526 states to 0 states. [2024-08-14 14:15:34,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:34,217 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;@58ca9c00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:34,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:34,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:34,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:34,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:34,227 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:34,231 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:34,235 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:34 BoogieIcfgContainer [2024-08-14 14:15:34,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:34,237 INFO L158 Benchmark]: Toolchain (without parser) took 1848.40ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 108.6MB in the beginning and 85.1MB in the end (delta: 23.4MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,237 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:34,237 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:34,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.95ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 90.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,240 INFO L158 Benchmark]: Boogie Preprocessor took 86.95ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 87.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,240 INFO L158 Benchmark]: IcfgBuilder took 891.22ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 87.1MB in the beginning and 195.2MB in the end (delta: -108.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,241 INFO L158 Benchmark]: TraceAbstraction took 427.30ms. Allocated memory is still 241.2MB. Free memory was 194.2MB in the beginning and 85.1MB in the end (delta: 109.1MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.95ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 90.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.95ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 87.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 891.22ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 87.1MB in the beginning and 195.2MB in the end (delta: -108.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * TraceAbstraction took 427.30ms. Allocated memory is still 241.2MB. Free memory was 194.2MB in the beginning and 85.1MB in the end (delta: 109.1MB). Peak memory consumption was 109.1MB. 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 38 procedures, 304 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, 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 14:15:34,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE