./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+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_2.cil-2+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_2.cil-2+token_ring.02.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+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 14:15:50,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:50,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:50,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:50,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:50,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:50,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:50,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:50,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:50,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:50,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:50,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:50,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:50,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:50,887 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:50,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:50,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:50,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:50,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:50,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:50,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:50,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:50,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:50,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:50,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:50,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:50,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:50,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:50,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:50,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:50,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:50,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:50,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:50,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:50,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:50,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:50,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:50,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:50,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:50,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:50,896 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:50,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:50,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:50,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:51,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:51,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:51,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:51,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:51,133 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:51,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.02.cil-1.c [2024-08-14 14:15:52,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:52,579 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:52,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_2.cil-2+token_ring.02.cil-1.c [2024-08-14 14:15:52,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0675aa15a/ad74fc92b83f498ca2089d0a3f2bc895/FLAGbd43b1853 [2024-08-14 14:15:52,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0675aa15a/ad74fc92b83f498ca2089d0a3f2bc895 [2024-08-14 14:15:52,978 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:52,979 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:52,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_2.cil-2+token_ring.02.cil-1.yml/witness.yml [2024-08-14 14:15:53,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:53,091 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:53,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:53,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:53,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:53,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:52" (1/2) ... [2024-08-14 14:15:53,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b5afa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:52" (1/2) ... [2024-08-14 14:15:53,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71a68ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:53" (2/2) ... [2024-08-14 14:15:53,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b5afa0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:53, skipping insertion in model container [2024-08-14 14:15:53,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:53" (2/2) ... [2024-08-14 14:15:53,145 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:53,277 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.02.cil-1.c[914,927] [2024-08-14 14:15:53,327 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.02.cil-1.c[7125,7138] [2024-08-14 14:15:53,360 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:53,368 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:53,376 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.02.cil-1.c[914,927] [2024-08-14 14:15:53,392 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.02.cil-1.c[7125,7138] [2024-08-14 14:15:53,409 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:53,464 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:53,464 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:53 WrapperNode [2024-08-14 14:15:53,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:53,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:53,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:53,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:53,479 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,479 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,493 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,508 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 14:15:53,508 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,508 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,516 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,518 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,519 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:53,523 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:53,523 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:53,523 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:53,526 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 02:15:53" (1/1) ... [2024-08-14 14:15:53,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:53,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:53,597 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 14:15:53,612 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 14:15:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2024-08-14 14:15:53,667 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-08-14 14:15:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-08-14 14:15:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-08-14 14:15:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-08-14 14:15:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2024-08-14 14:15:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-08-14 14:15:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-08-14 14:15:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-08-14 14:15:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-08-14 14:15:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:53,767 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:53,770 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:54,179 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:54,180 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:54,191 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:54,192 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:54,192 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:54 BoogieIcfgContainer [2024-08-14 14:15:54,192 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:54,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:54,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:54,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:54,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:52" (1/4) ... [2024-08-14 14:15:54,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b757038 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 14:15:54,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:53" (2/4) ... [2024-08-14 14:15:54,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b757038 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 14:15:54,198 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 02:15:53" (3/4) ... [2024-08-14 14:15:54,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b757038 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 14:15:54,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:54" (4/4) ... [2024-08-14 14:15:54,200 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2+token_ring.02.cil-1.c [2024-08-14 14:15:54,200 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:54,217 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:54,217 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:54,244 INFO L92 WitnessUtils]: Constructing product of automaton with 331 states and violation witness of the following lengths: [39] [2024-08-14 14:15:54,252 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 331 states, 229 states have (on average 1.4585152838427948) internal successors, (334), 244 states have internal predecessors, (334), 58 states have call successors, (58), 40 states have call predecessors, (58), 40 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-08-14 14:15:54,877 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2180 states to 0 states. [2024-08-14 14:15:54,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:54,902 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;@5635a82a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:54,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:54,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:54,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:54,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:54,912 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:54,914 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:54,916 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:54 BoogieIcfgContainer [2024-08-14 14:15:54,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:54,918 INFO L158 Benchmark]: Toolchain (without parser) took 1826.89ms. Allocated memory was 146.8MB in the beginning and 299.9MB in the end (delta: 153.1MB). Free memory was 69.1MB in the beginning and 126.4MB in the end (delta: -57.3MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,918 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 146.8MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:54,918 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:54,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.03ms. Allocated memory was 146.8MB in the beginning and 234.9MB in the end (delta: 88.1MB). Free memory was 68.9MB in the beginning and 203.2MB in the end (delta: -134.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,919 INFO L158 Benchmark]: Boogie Preprocessor took 55.29ms. Allocated memory is still 234.9MB. Free memory was 203.2MB in the beginning and 199.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,919 INFO L158 Benchmark]: IcfgBuilder took 669.49ms. Allocated memory is still 234.9MB. Free memory was 199.8MB in the beginning and 164.0MB in the end (delta: 35.8MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,919 INFO L158 Benchmark]: TraceAbstraction took 722.96ms. Allocated memory was 234.9MB in the beginning and 299.9MB in the end (delta: 65.0MB). Free memory was 162.9MB in the beginning and 126.4MB in the end (delta: 36.5MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2024-08-14 14:15:54,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 146.8MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.03ms. Allocated memory was 146.8MB in the beginning and 234.9MB in the end (delta: 88.1MB). Free memory was 68.9MB in the beginning and 203.2MB in the end (delta: -134.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.29ms. Allocated memory is still 234.9MB. Free memory was 203.2MB in the beginning and 199.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 669.49ms. Allocated memory is still 234.9MB. Free memory was 199.8MB in the beginning and 164.0MB in the end (delta: 35.8MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 722.96ms. Allocated memory was 234.9MB in the beginning and 299.9MB in the end (delta: 65.0MB). Free memory was 162.9MB in the beginning and 126.4MB in the end (delta: 36.5MB). Peak memory consumption was 100.5MB. 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 43 procedures, 336 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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 14:15:54,953 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