./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/Problem05_label46+token_ring.01.cil-2.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem05_label46+token_ring.01.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/Problem05_label46+token_ring.01.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem05_label46+token_ring.01.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 14:12:56,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:12:56,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:12:56,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:12:56,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:12:56,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:12:56,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:12:56,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:12:56,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:12:56,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:12:56,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:12:56,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:12:56,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:12:56,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:12:56,693 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:12:56,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:12:56,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:12:56,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:12:56,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:12:56,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:12:56,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:12:56,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:12:56,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:12:56,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:12:56,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:12:56,710 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:12:56,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:12:56,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:12:56,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:12:56,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:12:56,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:12:56,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:12:56,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:12:56,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:12:56,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:12:56,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:12:56,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:12:56,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:12:56,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:12:56,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:12:56,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:12:56,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:12:56,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:12:56,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:12:56,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:12:57,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:12:57,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:12:57,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:12:57,008 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:12:57,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/Problem05_label46+token_ring.01.cil-2.c [2024-08-14 14:12:58,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:12:59,193 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:12:59,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label46+token_ring.01.cil-2.c [2024-08-14 14:12:59,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca19bc56/84bd601be677469fabebd5eaf8342181/FLAG203ab133f [2024-08-14 14:12:59,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca19bc56/84bd601be677469fabebd5eaf8342181 [2024-08-14 14:12:59,587 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:12:59,588 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:12:59,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem05_label46+token_ring.01.cil-2.yml/witness.yml [2024-08-14 14:12:59,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:12:59,740 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:12:59,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:12:59,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:12:59,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:12:59,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:12:59" (1/2) ... [2024-08-14 14:12:59,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55623ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:59, skipping insertion in model container [2024-08-14 14:12:59,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:12:59" (1/2) ... [2024-08-14 14:12:59,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b380019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:12:59, skipping insertion in model container [2024-08-14 14:12:59,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:59" (2/2) ... [2024-08-14 14:12:59,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55623ff5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:12:59, skipping insertion in model container [2024-08-14 14:12:59,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:59" (2/2) ... [2024-08-14 14:12:59,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:13:01,719 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/Problem05_label46+token_ring.01.cil-2.c[382357,382370] [2024-08-14 14:13:01,747 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/Problem05_label46+token_ring.01.cil-2.c[383339,383352] [2024-08-14 14:13:01,855 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:01,872 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:13:02,615 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/Problem05_label46+token_ring.01.cil-2.c[382357,382370] [2024-08-14 14:13:02,620 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/Problem05_label46+token_ring.01.cil-2.c[383339,383352] [2024-08-14 14:13:02,630 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:13:02,694 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:13:02,695 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:13:02 WrapperNode [2024-08-14 14:13:02,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:13:02,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:13:02,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:13:02,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:13:02,709 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,710 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,806 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,920 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 14:13:02,920 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 02:13:02" (1/1) ... [2024-08-14 14:13:02,920 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 02:13:02" (1/1) ... [2024-08-14 14:13:03,146 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 02:13:02" (1/1) ... [2024-08-14 14:13:03,167 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 02:13:02" (1/1) ... [2024-08-14 14:13:03,184 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 02:13:02" (1/1) ... [2024-08-14 14:13:03,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:13:03,243 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:13:03,244 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:13:03,244 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:13:03,245 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 02:13:02" (1/1) ... [2024-08-14 14:13:03,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:13:03,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:13:03,285 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 14:13:03,288 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 14:13:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:13:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:13:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:13:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2024-08-14 14:13:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2024-08-14 14:13:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:13:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2024-08-14 14:13:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2024-08-14 14:13:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2024-08-14 14:13:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:13:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:13:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:13:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:13:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:13:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:13:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:13:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:13:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:13:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2024-08-14 14:13:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2024-08-14 14:13:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:13:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-08-14 14:13:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2024-08-14 14:13:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-08-14 14:13:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-08-14 14:13:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-08-14 14:13:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2024-08-14 14:13:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2024-08-14 14:13:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2024-08-14 14:13:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2024-08-14 14:13:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2024-08-14 14:13:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:13:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:13:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:13:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:13:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:13:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:13:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:13:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:13:03,511 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:13:03,514 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:13:05,730 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc #t~ret20; [2024-08-14 14:13:06,718 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc #t~ret19; [2024-08-14 14:13:07,611 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc #t~ret18; [2024-08-14 14:13:08,520 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc #t~ret17; [2024-08-14 14:13:09,325 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc #t~ret16; [2024-08-14 14:13:10,010 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc #t~ret15; [2024-08-14 14:13:10,646 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc #t~ret14; [2024-08-14 14:13:10,970 INFO L? ?]: Removed 1663 outVars from TransFormulas that were not future-live. [2024-08-14 14:13:10,970 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:13:11,023 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:13:11,024 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:13:11,025 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:11 BoogieIcfgContainer [2024-08-14 14:13:11,026 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:13:11,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:13:11,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:13:11,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:13:11,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:12:59" (1/4) ... [2024-08-14 14:13:11,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62532b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:13:11, skipping insertion in model container [2024-08-14 14:13:11,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:12:59" (2/4) ... [2024-08-14 14:13:11,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62532b28 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:11, skipping insertion in model container [2024-08-14 14:13:11,035 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 02:13:02" (3/4) ... [2024-08-14 14:13:11,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62532b28 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:13:11, skipping insertion in model container [2024-08-14 14:13:11,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:13:11" (4/4) ... [2024-08-14 14:13:11,036 INFO L119 eAbstractionObserver]: Analyzing ICFG Problem05_label46+token_ring.01.cil-2.c [2024-08-14 14:13:11,037 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:13:11,058 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:13:11,059 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:13:11,134 INFO L92 WitnessUtils]: Constructing product of automaton with 2386 states and violation witness of the following lengths: [102] [2024-08-14 14:13:11,150 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 2386 states, 2313 states have (on average 1.843493298746217) internal successors, (4264), 2321 states have internal predecessors, (4264), 40 states have call successors, (40), 30 states have call predecessors, (40), 30 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-08-14 14:13:19,475 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 4854 states to 0 states. [2024-08-14 14:13:19,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:13:19,499 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;@6b29c500, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:13:19,499 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:13:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:13:19,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:13:19,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:13:19,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:13:19,509 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:13:19,513 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:13:19,516 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:13:19 BoogieIcfgContainer [2024-08-14 14:13:19,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:13:19,519 INFO L158 Benchmark]: Toolchain (without parser) took 19777.06ms. Allocated memory was 192.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 95.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 860.9MB. Max. memory is 16.1GB. [2024-08-14 14:13:19,519 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 192.9MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:19,520 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 192.9MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:13:19,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2951.51ms. Allocated memory was 192.9MB in the beginning and 268.4MB in the end (delta: 75.5MB). Free memory was 95.2MB in the beginning and 127.4MB in the end (delta: -32.2MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2024-08-14 14:13:19,522 INFO L158 Benchmark]: Boogie Preprocessor took 546.36ms. Allocated memory is still 268.4MB. Free memory was 127.4MB in the beginning and 136.3MB in the end (delta: -9.0MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2024-08-14 14:13:19,523 INFO L158 Benchmark]: IcfgBuilder took 7782.44ms. Allocated memory was 268.4MB in the beginning and 669.0MB in the end (delta: 400.6MB). Free memory was 136.3MB in the beginning and 252.2MB in the end (delta: -115.9MB). Peak memory consumption was 300.0MB. Max. memory is 16.1GB. [2024-08-14 14:13:19,524 INFO L158 Benchmark]: TraceAbstraction took 8488.60ms. Allocated memory was 669.0MB in the beginning and 2.2GB in the end (delta: 1.5GB). Free memory was 252.2MB in the beginning and 1.2GB in the end (delta: -955.1MB). Peak memory consumption was 540.1MB. Max. memory is 16.1GB. [2024-08-14 14:13:19,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 192.9MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 192.9MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2951.51ms. Allocated memory was 192.9MB in the beginning and 268.4MB in the end (delta: 75.5MB). Free memory was 95.2MB in the beginning and 127.4MB in the end (delta: -32.2MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 546.36ms. Allocated memory is still 268.4MB. Free memory was 127.4MB in the beginning and 136.3MB in the end (delta: -9.0MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * IcfgBuilder took 7782.44ms. Allocated memory was 268.4MB in the beginning and 669.0MB in the end (delta: 400.6MB). Free memory was 136.3MB in the beginning and 252.2MB in the end (delta: -115.9MB). Peak memory consumption was 300.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8488.60ms. Allocated memory was 669.0MB in the beginning and 2.2GB in the end (delta: 1.5GB). Free memory was 252.2MB in the beginning and 1.2GB in the end (delta: -955.1MB). Peak memory consumption was 540.1MB. 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: 11173]: 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: 11133]: 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 32 procedures, 2389 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.4s, 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 14:13:19,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE