./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.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.06.cil-2.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.06.cil-2.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:15:35,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:35,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:35,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:35,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:35,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:35,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:35,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:35,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:35,696 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:35,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:35,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:35,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:35,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:35,697 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:35,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:35,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:35,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:35,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:35,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:35,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:35,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:35,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:35,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:35,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:35,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:35,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:35,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:35,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:35,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:35,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:35,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:35,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:35,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:35,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:35,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:35,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:35,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:35,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:35,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:35,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:35,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:35,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:35,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:35,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:35,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:35,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:35,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:35,921 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:35,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c [2024-08-14 14:15:37,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:37,314 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:37,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c [2024-08-14 14:15:37,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d524115df/7f0ae1da15f548ef9f50a871fb29b003/FLAGab4e3535c [2024-08-14 14:15:37,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d524115df/7f0ae1da15f548ef9f50a871fb29b003 [2024-08-14 14:15:37,340 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:37,341 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:37,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.06.cil-2.yml/witness.yml [2024-08-14 14:15:37,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:37,404 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:37,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:37,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:37,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:37,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:37" (1/2) ... [2024-08-14 14:15:37,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3875a4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:37, skipping insertion in model container [2024-08-14 14:15:37,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:37" (1/2) ... [2024-08-14 14:15:37,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d7e700c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:37, skipping insertion in model container [2024-08-14 14:15:37,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:37" (2/2) ... [2024-08-14 14:15:37,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3875a4c0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:37, skipping insertion in model container [2024-08-14 14:15:37,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:37" (2/2) ... [2024-08-14 14:15:37,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:37,573 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.06.cil-2.c[913,926] [2024-08-14 14:15:37,611 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.06.cil-2.c[5994,6007] [2024-08-14 14:15:37,662 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:37,676 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:37,687 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.06.cil-2.c[913,926] [2024-08-14 14:15:37,708 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.06.cil-2.c[5994,6007] [2024-08-14 14:15:37,735 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:37,756 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:37,756 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:37 WrapperNode [2024-08-14 14:15:37,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:37,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:37,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:37,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:37,766 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,767 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,781 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,804 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 14:15:37,804 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,804 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,817 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,818 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,820 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:37,828 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:37,828 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:37,828 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:37,829 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 02:15:37" (1/1) ... [2024-08-14 14:15:37,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:37,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:37,856 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 14:15:37,859 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 14:15:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:15:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2024-08-14 14:15:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:38,024 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:38,029 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:38,555 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:38,555 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:38,573 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:38,573 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:38,573 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:38 BoogieIcfgContainer [2024-08-14 14:15:38,573 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:38,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:38,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:38,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:38,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:37" (1/4) ... [2024-08-14 14:15:38,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5d9bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:37" (2/4) ... [2024-08-14 14:15:38,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5d9bfd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,580 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 02:15:37" (3/4) ... [2024-08-14 14:15:38,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5d9bfd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:38, skipping insertion in model container [2024-08-14 14:15:38,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:38" (4/4) ... [2024-08-14 14:15:38,582 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.06.cil-2.c [2024-08-14 14:15:38,582 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:38,599 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:38,599 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:38,626 INFO L92 WitnessUtils]: Constructing product of automaton with 429 states and violation witness of the following lengths: [18] [2024-08-14 14:15:38,629 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 429 states, 320 states have (on average 1.5125) internal successors, (484), 338 states have internal predecessors, (484), 62 states have call successors, (62), 44 states have call predecessors, (62), 44 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-08-14 14:15:38,884 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 654 states to 0 states. [2024-08-14 14:15:38,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:38,905 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;@48876f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:38,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:38,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:38,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:38,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:38,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:38,913 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:38,915 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:38,917 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:38 BoogieIcfgContainer [2024-08-14 14:15:38,918 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:38,918 INFO L158 Benchmark]: Toolchain (without parser) took 1514.38ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 104.3MB in the beginning and 98.6MB in the end (delta: 5.7MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:38,919 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 122.8MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:38,919 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:38,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.60ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 82.2MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-14 14:15:38,920 INFO L158 Benchmark]: Boogie Preprocessor took 70.10ms. Allocated memory is still 163.6MB. Free memory was 82.2MB in the beginning and 78.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:38,921 INFO L158 Benchmark]: IcfgBuilder took 745.57ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 78.4MB in the beginning and 153.7MB in the end (delta: -75.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-08-14 14:15:38,921 INFO L158 Benchmark]: TraceAbstraction took 341.80ms. Allocated memory is still 232.8MB. Free memory was 153.7MB in the beginning and 98.6MB in the end (delta: 55.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:38,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 122.8MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.60ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 82.2MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.10ms. Allocated memory is still 163.6MB. Free memory was 82.2MB in the beginning and 78.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 745.57ms. Allocated memory was 163.6MB in the beginning and 232.8MB in the end (delta: 69.2MB). Free memory was 78.4MB in the beginning and 153.7MB in the end (delta: -75.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * TraceAbstraction took 341.80ms. Allocated memory is still 232.8MB. Free memory was 153.7MB in the beginning and 98.6MB in the end (delta: 55.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 390]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 432 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 14:15:38,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE