./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.08.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.08.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.08.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.08.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 14:15:38,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:38,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:38,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:38,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:38,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:38,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:38,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:38,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:38,156 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:38,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:38,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:38,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:38,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:38,157 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:38,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:38,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:38,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:38,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:38,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:38,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:38,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:38,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:38,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:38,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:38,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:38,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:38,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:38,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:38,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:38,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:38,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:38,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:38,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:38,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:38,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:38,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:38,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:38,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:38,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:38,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:38,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:38,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:38,167 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:38,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:38,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:38,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:38,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:38,436 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:38,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c [2024-08-14 14:15:39,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:40,157 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:40,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c [2024-08-14 14:15:40,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b6342352/fd7babf7f5f0434b86eb3ea3a4685b59/FLAG7346afe91 [2024-08-14 14:15:40,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b6342352/fd7babf7f5f0434b86eb3ea3a4685b59 [2024-08-14 14:15:40,192 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:40,194 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:40,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.08.cil-1.yml/witness.yml [2024-08-14 14:15:40,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:40,283 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:40,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:40,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:40,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:40,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:40" (1/2) ... [2024-08-14 14:15:40,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a033f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:40, skipping insertion in model container [2024-08-14 14:15:40,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:40" (1/2) ... [2024-08-14 14:15:40,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2043ef3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:40, skipping insertion in model container [2024-08-14 14:15:40,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:40" (2/2) ... [2024-08-14 14:15:40,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a033f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:40, skipping insertion in model container [2024-08-14 14:15:40,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:40" (2/2) ... [2024-08-14 14:15:40,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:40,512 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.08.cil-1.c[913,926] [2024-08-14 14:15:40,566 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.08.cil-1.c[5994,6007] [2024-08-14 14:15:40,649 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:40,668 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:40,683 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.08.cil-1.c[913,926] [2024-08-14 14:15:40,706 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.08.cil-1.c[5994,6007] [2024-08-14 14:15:40,754 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:40,787 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:40,788 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:40 WrapperNode [2024-08-14 14:15:40,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:40,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:40,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:40,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:40,800 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,800 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,812 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,837 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 14:15:40,838 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,838 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,858 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,861 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,868 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:40,881 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:40,881 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:40,881 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:40,882 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 02:15:40" (1/1) ... [2024-08-14 14:15:40,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:40,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:40,937 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 14:15:40,943 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 14:15:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2024-08-14 14:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2024-08-14 14:15:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2024-08-14 14:15:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2024-08-14 14:15:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2024-08-14 14:15:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2024-08-14 14:15:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2024-08-14 14:15:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2024-08-14 14:15:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2024-08-14 14:15:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2024-08-14 14:15:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2024-08-14 14:15:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2024-08-14 14:15:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2024-08-14 14:15:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2024-08-14 14:15:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2024-08-14 14:15:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2024-08-14 14:15:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2024-08-14 14:15:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2024-08-14 14:15:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2024-08-14 14:15:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2024-08-14 14:15:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2024-08-14 14:15:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2024-08-14 14:15:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2024-08-14 14:15:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2024-08-14 14:15:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2024-08-14 14:15:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2024-08-14 14:15:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:41,155 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:41,160 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:42,126 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:42,127 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:42,150 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:42,153 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:42,154 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:42 BoogieIcfgContainer [2024-08-14 14:15:42,154 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:42,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:42,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:42,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:42,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:40" (1/4) ... [2024-08-14 14:15:42,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5ef01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:42, skipping insertion in model container [2024-08-14 14:15:42,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:40" (2/4) ... [2024-08-14 14:15:42,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5ef01e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:42, skipping insertion in model container [2024-08-14 14:15:42,162 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 02:15:40" (3/4) ... [2024-08-14 14:15:42,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5ef01e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:42, skipping insertion in model container [2024-08-14 14:15:42,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:42" (4/4) ... [2024-08-14 14:15:42,164 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.08.cil-1.c [2024-08-14 14:15:42,165 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:42,189 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:42,189 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:42,234 INFO L92 WitnessUtils]: Constructing product of automaton with 493 states and violation witness of the following lengths: [18] [2024-08-14 14:15:42,244 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 493 states, 374 states have (on average 1.5294117647058822) internal successors, (572), 394 states have internal predecessors, (572), 68 states have call successors, (68), 48 states have call predecessors, (68), 48 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-08-14 14:15:42,733 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 718 states to 0 states. [2024-08-14 14:15:42,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:42,763 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;@1d494932, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:42,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:42,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:42,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:42,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:42,775 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:42,778 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:42,782 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:42 BoogieIcfgContainer [2024-08-14 14:15:42,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:42,785 INFO L158 Benchmark]: Toolchain (without parser) took 2501.45ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 85.5MB in the beginning and 148.8MB in the end (delta: -63.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:42,785 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:42,786 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:42,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.00ms. Allocated memory is still 163.6MB. Free memory was 84.9MB in the beginning and 61.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:42,787 INFO L158 Benchmark]: Boogie Preprocessor took 90.90ms. Allocated memory is still 163.6MB. Free memory was 61.3MB in the beginning and 57.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:42,788 INFO L158 Benchmark]: IcfgBuilder took 1272.89ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 57.1MB in the beginning and 131.4MB in the end (delta: -74.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-08-14 14:15:42,789 INFO L158 Benchmark]: TraceAbstraction took 627.34ms. Allocated memory is still 224.4MB. Free memory was 130.4MB in the beginning and 148.8MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:42,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.00ms. Allocated memory is still 163.6MB. Free memory was 84.9MB in the beginning and 61.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.90ms. Allocated memory is still 163.6MB. Free memory was 61.3MB in the beginning and 57.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1272.89ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 57.1MB in the beginning and 131.4MB in the end (delta: -74.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 627.34ms. Allocated memory is still 224.4MB. Free memory was 130.4MB in the beginning and 148.8MB in the end (delta: -18.4MB). 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 50 procedures, 496 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, 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 14:15:42,824 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