./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.01.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.01.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.01.cil-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.01.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 14:15:30,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:30,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:30,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:30,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:30,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:30,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:30,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:30,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:30,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:30,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:30,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:30,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:30,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:30,246 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:30,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:30,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:30,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:30,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:30,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:30,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:30,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:30,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:30,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:30,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:30,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:30,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:30,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:30,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:30,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:30,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:30,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:30,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:30,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:30,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:30,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:30,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:30,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:30,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:30,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:30,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:30,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:30,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:30,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:30,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:30,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:30,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:30,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:30,528 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:30,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2024-08-14 14:15:31,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:32,253 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:32,257 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2024-08-14 14:15:32,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4522bdbc3/f155fee9ca28451fad12d06e2e8a4380/FLAG300076bf4 [2024-08-14 14:15:32,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4522bdbc3/f155fee9ca28451fad12d06e2e8a4380 [2024-08-14 14:15:32,558 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:32,558 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:32,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-1+token_ring.01.cil-1.yml/witness.yml [2024-08-14 14:15:32,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:32,643 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:32,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:32,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:32,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:32,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:32" (1/2) ... [2024-08-14 14:15:32,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ba60e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:32" (1/2) ... [2024-08-14 14:15:32,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b5cd878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:32" (2/2) ... [2024-08-14 14:15:32,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ba60e3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:32, skipping insertion in model container [2024-08-14 14:15:32,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:32" (2/2) ... [2024-08-14 14:15:32,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:32,853 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.01.cil-1.c[913,926] [2024-08-14 14:15:32,895 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.01.cil-1.c[5994,6007] [2024-08-14 14:15:32,921 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:32,932 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:32,945 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.01.cil-1.c[913,926] [2024-08-14 14:15:32,967 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.01.cil-1.c[5994,6007] [2024-08-14 14:15:32,988 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:33,007 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:33,008 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:33 WrapperNode [2024-08-14 14:15:33,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:33,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:33,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:33,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:33,020 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,021 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,029 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,053 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 14:15:33,054 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,054 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,074 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,077 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,083 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:33,090 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:33,090 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:33,090 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:33,091 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 02:15:33" (1/1) ... [2024-08-14 14:15:33,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:33,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:33,130 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 14:15:33,134 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 14:15:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:33,305 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:33,310 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:33,857 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:33,858 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:33,873 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:33,873 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:33,874 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:33 BoogieIcfgContainer [2024-08-14 14:15:33,874 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:33,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:33,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:33,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:33,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:32" (1/4) ... [2024-08-14 14:15:33,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f924f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:33, skipping insertion in model container [2024-08-14 14:15:33,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:32" (2/4) ... [2024-08-14 14:15:33,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f924f44 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:33, skipping insertion in model container [2024-08-14 14:15:33,886 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 02:15:33" (3/4) ... [2024-08-14 14:15:33,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f924f44 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:33, skipping insertion in model container [2024-08-14 14:15:33,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:33" (4/4) ... [2024-08-14 14:15:33,888 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2024-08-14 14:15:33,889 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:33,907 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:33,907 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:33,946 INFO L92 WitnessUtils]: Constructing product of automaton with 269 states and violation witness of the following lengths: [18] [2024-08-14 14:15:33,954 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 269 states, 185 states have (on average 1.427027027027027) internal successors, (264), 198 states have internal predecessors, (264), 47 states have call successors, (47), 34 states have call predecessors, (47), 34 states have return successors, (47), 45 states have call predecessors, (47), 47 states have call successors, (47) [2024-08-14 14:15:34,242 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 494 states to 0 states. [2024-08-14 14:15:34,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:34,275 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;@443c287b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:34,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:34,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:34,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:34,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:34,286 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:34,289 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:34,292 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:34 BoogieIcfgContainer [2024-08-14 14:15:34,292 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:34,294 INFO L158 Benchmark]: Toolchain (without parser) took 1650.16ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 132.2MB in the beginning and 170.3MB in the end (delta: -38.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,295 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:34,295 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:34,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.00ms. Allocated memory is still 169.9MB. Free memory was 132.2MB in the beginning and 114.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,296 INFO L158 Benchmark]: Boogie Preprocessor took 79.88ms. Allocated memory is still 169.9MB. Free memory was 114.8MB in the beginning and 112.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,297 INFO L158 Benchmark]: IcfgBuilder took 784.31ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 79.2MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-08-14 14:15:34,298 INFO L158 Benchmark]: TraceAbstraction took 415.29ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 78.8MB in the beginning and 170.3MB in the end (delta: -91.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:34,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.00ms. Allocated memory is still 169.9MB. Free memory was 132.2MB in the beginning and 114.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.88ms. Allocated memory is still 169.9MB. Free memory was 114.8MB in the beginning and 112.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 784.31ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 79.2MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 415.29ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 78.8MB in the beginning and 170.3MB in the end (delta: -91.5MB). 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 36 procedures, 272 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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 14:15:34,337 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