./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 03fe66fa 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-03fe66f-m [2024-08-15 18:04:42,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:04:43,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:04:43,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:04:43,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:04:43,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:04:43,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:04:43,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:04:43,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:04:43,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:04:43,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:04:43,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:04:43,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:04:43,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:04:43,043 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:04:43,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:04:43,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:04:43,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:04:43,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:04:43,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:04:43,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:04:43,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:04:43,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:04:43,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:04:43,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:04:43,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:04:43,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:04:43,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:04:43,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:04:43,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:04:43,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:04:43,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:04:43,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:04:43,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:04:43,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:04:43,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:04:43,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:04:43,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:04:43,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:04:43,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:04:43,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:04:43,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:04:43,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:04:43,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:04:43,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:04:43,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:04:43,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:04:43,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:04:43,321 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:04:43,322 INFO L431 ainManager$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 [2024-08-15 18:04:45,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:04:45,825 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:04:45,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label46+token_ring.01.cil-2.c [2024-08-15 18:04:45,888 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8ee6856/1b3d73b8154f4f47b3f2d93a150998cc/FLAGbf23d78a9 [2024-08-15 18:04:45,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8ee6856/1b3d73b8154f4f47b3f2d93a150998cc [2024-08-15 18:04:45,917 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:04:45,919 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:04:45,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem05_label46+token_ring.01.cil-2.yml/witness.yml [2024-08-15 18:04:46,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:04:46,099 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:04:46,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:04:46,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:04:46,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:04:46,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:04:45" (1/2) ... [2024-08-15 18:04:46,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a28473c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:04:46, skipping insertion in model container [2024-08-15 18:04:46,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:04:45" (1/2) ... [2024-08-15 18:04:46,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@439a7bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:04:46, skipping insertion in model container [2024-08-15 18:04:46,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:04:46" (2/2) ... [2024-08-15 18:04:46,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a28473c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:46, skipping insertion in model container [2024-08-15 18:04:46,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:04:46" (2/2) ... [2024-08-15 18:04:46,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:04:48,025 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] [2024-08-15 18:04:48,044 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] [2024-08-15 18:04:48,157 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:04:48,167 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:04:48,849 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] [2024-08-15 18:04:48,853 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/Problem05_label46+token_ring.01.cil-2.c[383339,383352] [2024-08-15 18:04:48,867 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:04:48,924 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:04:48,926 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48 WrapperNode [2024-08-15 18:04:48,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:04:48,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:04:48,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:04:48,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:04:48,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:48,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,182 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]. [2024-08-15 18:04:49,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:04:49,506 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:04:49,506 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:04:49,506 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:04:49,507 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (1/1) ... [2024-08-15 18:04:49,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:04:49,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:04:49,538 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) [2024-08-15 18:04:49,540 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 [2024-08-15 18:04:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:04:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:04:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:04:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:04:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-08-15 18:04:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-15 18:04:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-15 18:04:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-15 18:04:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-15 18:04:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-08-15 18:04:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2024-08-15 18:04:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2024-08-15 18:04:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2024-08-15 18:04:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2024-08-15 18:04:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:04:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:04:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:04:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:04:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:04:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:04:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2024-08-15 18:04:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-15 18:04:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2024-08-15 18:04:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:04:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:04:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:04:49,675 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:04:49,678 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:04:51,533 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc #t~ret20; [2024-08-15 18:04:52,276 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc #t~ret19; [2024-08-15 18:04:53,223 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc #t~ret18; [2024-08-15 18:04:53,965 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc #t~ret17; [2024-08-15 18:04:54,742 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc #t~ret16; [2024-08-15 18:04:55,474 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc #t~ret15; [2024-08-15 18:04:56,297 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc #t~ret14; [2024-08-15 18:04:56,685 INFO L? ?]: Removed 1663 outVars from TransFormulas that were not future-live. [2024-08-15 18:04:56,685 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:04:56,738 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:04:56,739 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:04:56,740 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:04:56 BoogieIcfgContainer [2024-08-15 18:04:56,741 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:04:56,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:04:56,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:04:56,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:04:56,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:04:45" (1/4) ... [2024-08-15 18:04:56,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4bbec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:04:56, skipping insertion in model container [2024-08-15 18:04:56,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:04:46" (2/4) ... [2024-08-15 18:04:56,751 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:04:56,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4bbec4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:04:56, skipping insertion in model container [2024-08-15 18:04:56,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:04:48" (3/4) ... [2024-08-15 18:04:56,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4bbec4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:04:56, skipping insertion in model container [2024-08-15 18:04:56,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:04:56" (4/4) ... [2024-08-15 18:04:56,756 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem05_label46+token_ring.01.cil-2.c [2024-08-15 18:04:56,780 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:04:56,780 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:04:56,861 INFO L90 WitnessUtils]: Constructing product of automaton with 2386 states and violation witness of the following lengths: [102] [2024-08-15 18:05:05,212 INFO L95 WitnessUtils]: Product has 4854 reachable states. [2024-08-15 18:05:05,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:05:05,259 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;@60ca24b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:05:05,259 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:05:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 4854 states and 7814 transitions. [2024-08-15 18:05:05,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-15 18:05:05,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:05:05,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:05:05,349 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-15 18:05:05,357 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:05:05,362 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:05:05 BoogieIcfgContainer [2024-08-15 18:05:05,362 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:05:05,365 INFO L158 Benchmark]: Toolchain (without parser) took 19264.29ms. Allocated memory was 199.2MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 135.8MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 919.8MB. Max. memory is 16.1GB. [2024-08-15 18:05:05,365 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:05:05,366 INFO L158 Benchmark]: Witness Parser took 0.67ms. Allocated memory is still 199.2MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:05:05,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2826.63ms. Allocated memory was 199.2MB in the beginning and 358.6MB in the end (delta: 159.4MB). Free memory was 135.8MB in the beginning and 242.2MB in the end (delta: -106.5MB). Peak memory consumption was 153.6MB. Max. memory is 16.1GB. [2024-08-15 18:05:05,367 INFO L158 Benchmark]: Boogie Preprocessor took 577.11ms. Allocated memory is still 358.6MB. Free memory was 242.2MB in the beginning and 180.4MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-08-15 18:05:05,368 INFO L158 Benchmark]: IcfgBuilder took 7235.31ms. Allocated memory was 358.6MB in the beginning and 687.9MB in the end (delta: 329.3MB). Free memory was 180.4MB in the beginning and 383.8MB in the end (delta: -203.4MB). Peak memory consumption was 310.4MB. Max. memory is 16.1GB. [2024-08-15 18:05:05,368 INFO L158 Benchmark]: TraceAbstraction took 8618.95ms. Allocated memory was 687.9MB in the beginning and 2.6GB in the end (delta: 2.0GB). Free memory was 382.7MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 678.1MB. Max. memory is 16.1GB. [2024-08-15 18:05:05,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.67ms. Allocated memory is still 199.2MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2826.63ms. Allocated memory was 199.2MB in the beginning and 358.6MB in the end (delta: 159.4MB). Free memory was 135.8MB in the beginning and 242.2MB in the end (delta: -106.5MB). Peak memory consumption was 153.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 577.11ms. Allocated memory is still 358.6MB. Free memory was 242.2MB in the beginning and 180.4MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * IcfgBuilder took 7235.31ms. Allocated memory was 358.6MB in the beginning and 687.9MB in the end (delta: 329.3MB). Free memory was 180.4MB in the beginning and 383.8MB in the end (delta: -203.4MB). Peak memory consumption was 310.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8618.95ms. Allocated memory was 687.9MB in the beginning and 2.6GB in the end (delta: 2.0GB). Free memory was 382.7MB in the beginning and 1.7GB in the end (delta: -1.3GB). Peak memory consumption was 678.1MB. 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: 8.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4854occurred 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! [2024-08-15 18:05:05,405 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