./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.04.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.04.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.04.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.04.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 14:15:29,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:29,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:29,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:29,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:29,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:29,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:29,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:29,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:29,492 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:29,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:29,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:29,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:29,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:29,494 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:29,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:29,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:29,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:29,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:29,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:29,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:29,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:29,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:29,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:29,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:29,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:29,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:29,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:29,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:29,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:29,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:29,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:29,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:29,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:29,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:29,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:29,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:29,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:29,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:29,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:29,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:29,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:29,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:29,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:29,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:29,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:29,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:29,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:29,709 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:29,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c [2024-08-14 14:15:30,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:31,110 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:31,114 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.04.cil-1.c [2024-08-14 14:15:31,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52bdeb921/66c5f427fbf84024ad2ce6d2596ac410/FLAG8b115ac23 [2024-08-14 14:15:31,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52bdeb921/66c5f427fbf84024ad2ce6d2596ac410 [2024-08-14 14:15:31,148 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:31,149 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:31,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.04.cil-1.yml/witness.yml [2024-08-14 14:15:31,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:31,215 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:31,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:31,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:31,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:31,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:31" (1/2) ... [2024-08-14 14:15:31,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68009682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:31, skipping insertion in model container [2024-08-14 14:15:31,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:31" (1/2) ... [2024-08-14 14:15:31,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e05240a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:31, skipping insertion in model container [2024-08-14 14:15:31,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:31" (2/2) ... [2024-08-14 14:15:31,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68009682 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:31, skipping insertion in model container [2024-08-14 14:15:31,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:31" (2/2) ... [2024-08-14 14:15:31,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:31,399 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.04.cil-1.c[913,926] [2024-08-14 14:15:31,432 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.04.cil-1.c[5994,6007] [2024-08-14 14:15:31,467 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:31,476 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:31,487 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.04.cil-1.c[913,926] [2024-08-14 14:15:31,501 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.04.cil-1.c[5994,6007] [2024-08-14 14:15:31,521 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:31,537 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:31,537 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:31 WrapperNode [2024-08-14 14:15:31,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:31,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:31,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:31,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:31,548 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,548 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,564 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,589 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 14:15:31,589 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,589 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,607 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,613 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,614 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:31,621 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:31,622 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:31,622 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:31,622 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 02:15:31" (1/1) ... [2024-08-14 14:15:31,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:31,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:31,652 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 14:15:31,654 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 14:15:31,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:31,692 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:31,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:31,795 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:31,798 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:32,254 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:32,254 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:32,271 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:32,272 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:32,272 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:32 BoogieIcfgContainer [2024-08-14 14:15:32,275 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:32,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:32,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:32,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:32,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:31" (1/4) ... [2024-08-14 14:15:32,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d97ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:31" (2/4) ... [2024-08-14 14:15:32,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d97ecb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,283 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 02:15:31" (3/4) ... [2024-08-14 14:15:32,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d97ecb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:32" (4/4) ... [2024-08-14 14:15:32,285 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.04.cil-1.c [2024-08-14 14:15:32,285 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:32,301 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:32,301 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:32,334 INFO L92 WitnessUtils]: Constructing product of automaton with 365 states and violation witness of the following lengths: [18] [2024-08-14 14:15:32,340 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 365 states, 266 states have (on average 1.4887218045112782) internal successors, (396), 282 states have internal predecessors, (396), 56 states have call successors, (56), 40 states have call predecessors, (56), 40 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-08-14 14:15:32,622 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 590 states to 0 states. [2024-08-14 14:15:32,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:32,643 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;@77e50f98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:32,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:32,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:32,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:32,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:32,650 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:32,652 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:32,654 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:32 BoogieIcfgContainer [2024-08-14 14:15:32,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:32,654 INFO L158 Benchmark]: Toolchain (without parser) took 1439.14ms. Allocated memory is still 186.6MB. Free memory was 114.7MB in the beginning and 148.4MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:32,655 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:32,655 INFO L158 Benchmark]: Witness Parser took 0.97ms. Allocated memory is still 186.6MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:32,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.05ms. Allocated memory is still 186.6MB. Free memory was 114.5MB in the beginning and 147.9MB in the end (delta: -33.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:32,656 INFO L158 Benchmark]: Boogie Preprocessor took 78.81ms. Allocated memory is still 186.6MB. Free memory was 147.9MB in the beginning and 144.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:32,656 INFO L158 Benchmark]: IcfgBuilder took 653.63ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 99.1MB in the end (delta: 45.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:32,657 INFO L158 Benchmark]: TraceAbstraction took 376.84ms. Allocated memory is still 186.6MB. Free memory was 98.4MB in the beginning and 148.4MB in the end (delta: -50.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:32,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.97ms. Allocated memory is still 186.6MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.05ms. Allocated memory is still 186.6MB. Free memory was 114.5MB in the beginning and 147.9MB in the end (delta: -33.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.81ms. Allocated memory is still 186.6MB. Free memory was 147.9MB in the beginning and 144.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 653.63ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 99.1MB in the end (delta: 45.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 376.84ms. Allocated memory is still 186.6MB. Free memory was 98.4MB in the beginning and 148.4MB in the end (delta: -50.0MB). 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 42 procedures, 368 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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 14:15:32,680 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