./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.05.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.05.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.05.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.05.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 14:15:35,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:35,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:35,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:35,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:36,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:36,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:36,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:36,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:36,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:36,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:36,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:36,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:36,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:36,032 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:36,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:36,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:36,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:36,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:36,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:36,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:36,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:36,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:36,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:36,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:36,038 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:36,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:36,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:36,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:36,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:36,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:36,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:36,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:36,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:36,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:36,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:36,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:36,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:36,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:36,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:36,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:36,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:36,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:36,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:36,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:36,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:36,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:36,325 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:36,325 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:36,326 INFO L431 ainManager$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.05.cil-1.yml/witness.yml [2024-08-14 14:15:36,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:36,428 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:36,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c [2024-08-14 14:15:37,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:38,022 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:38,025 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.05.cil-1.c [2024-08-14 14:15:38,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41278ea3b/2cea9d4e1e354e4d91e678f03851d3f4/FLAGea8aa581b [2024-08-14 14:15:38,365 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41278ea3b/2cea9d4e1e354e4d91e678f03851d3f4 [2024-08-14 14:15:38,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:38,366 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:38,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:38,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:38,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:38,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:36" (1/2) ... [2024-08-14 14:15:38,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79745439 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:36" (1/2) ... [2024-08-14 14:15:38,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a9cadd1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:38" (2/2) ... [2024-08-14 14:15:38,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79745439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:38" (2/2) ... [2024-08-14 14:15:38,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:38,656 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.05.cil-1.c[913,926] [2024-08-14 14:15:38,698 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.05.cil-1.c[5994,6007] [2024-08-14 14:15:38,758 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:38,779 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:38,795 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.05.cil-1.c[913,926] [2024-08-14 14:15:38,820 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.05.cil-1.c[5994,6007] [2024-08-14 14:15:38,868 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:38,892 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:38,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38 WrapperNode [2024-08-14 14:15:38,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:38,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:38,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:38,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:38,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,938 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 14:15:38,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:38,962 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:38,963 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:38,963 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:38,963 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (1/1) ... [2024-08-14 14:15:38,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:38,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:39,005 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 14:15:39,007 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 14:15:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:15:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:39,179 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:39,183 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:39,829 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:39,829 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:39,857 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:39,859 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:39,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:39 BoogieIcfgContainer [2024-08-14 14:15:39,860 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:39,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:39,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:39,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:39,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:36" (1/4) ... [2024-08-14 14:15:39,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbb5279 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:39, skipping insertion in model container [2024-08-14 14:15:39,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:38" (2/4) ... [2024-08-14 14:15:39,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbb5279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:39, skipping insertion in model container [2024-08-14 14:15:39,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:38" (3/4) ... [2024-08-14 14:15:39,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbb5279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:39, skipping insertion in model container [2024-08-14 14:15:39,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:39" (4/4) ... [2024-08-14 14:15:39,873 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.05.cil-1.c [2024-08-14 14:15:39,874 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:39,891 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:39,891 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:39,925 INFO L92 WitnessUtils]: Constructing product of automaton with 397 states and violation witness of the following lengths: [18] [2024-08-14 14:15:39,929 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 397 states, 293 states have (on average 1.5017064846416381) internal successors, (440), 310 states have internal predecessors, (440), 59 states have call successors, (59), 42 states have call predecessors, (59), 42 states have return successors, (59), 57 states have call predecessors, (59), 59 states have call successors, (59) [2024-08-14 14:15:40,501 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 622 states to 0 states. [2024-08-14 14:15:40,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:40,526 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;@5c36cdb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:40,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:40,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:40,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:40,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:40,536 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:40,538 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:40,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:40 BoogieIcfgContainer [2024-08-14 14:15:40,541 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:40,542 INFO L158 Benchmark]: Toolchain (without parser) took 2176.06ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 92.1MB in the beginning and 120.9MB in the end (delta: -28.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,544 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:40,544 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:40,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.26ms. Allocated memory is still 167.8MB. Free memory was 91.8MB in the beginning and 124.9MB in the end (delta: -33.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,546 INFO L158 Benchmark]: Boogie Preprocessor took 67.47ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 121.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,546 INFO L158 Benchmark]: IcfgBuilder took 897.45ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 71.8MB in the end (delta: 49.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-08-14 14:15:40,547 INFO L158 Benchmark]: TraceAbstraction took 679.27ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 71.2MB in the beginning and 120.9MB in the end (delta: -49.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:40,549 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 0.19ms. Allocated memory is still 167.8MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.26ms. Allocated memory is still 167.8MB. Free memory was 91.8MB in the beginning and 124.9MB in the end (delta: -33.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.47ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 121.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 897.45ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 71.8MB in the end (delta: 49.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 679.27ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 71.2MB in the beginning and 120.9MB in the end (delta: -49.7MB). There was no memory consumed. 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 44 procedures, 400 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 14:15:40,583 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