./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+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/pc_sfifo_1.cil-2+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/pc_sfifo_1.cil-2+token_ring.01.cil-2.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-2+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 14:15:46,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:15:46,737 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:15:46,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:15:46,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:15:46,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:15:46,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:15:46,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:15:46,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:15:46,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:15:46,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:15:46,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:15:46,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:15:46,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:15:46,784 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:15:46,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:15:46,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:15:46,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:15:46,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:15:46,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:15:46,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:15:46,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:15:46,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:15:46,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:15:46,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:15:46,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:15:46,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:15:46,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:15:46,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:15:46,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:15:46,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:15:46,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:15:46,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:15:46,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:15:46,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:15:46,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:15:46,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:15:46,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:15:46,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:15:46,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:15:46,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:15:46,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:15:46,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:15:46,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:15:47,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:15:47,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:15:47,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:15:47,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:15:47,097 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:15:47,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c [2024-08-14 14:15:48,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:15:48,754 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:15:48,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c [2024-08-14 14:15:48,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/240edaf40/bf5f9f2eda2f486a9d45e55f1371f4be/FLAGa71e4c612 [2024-08-14 14:15:49,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/240edaf40/bf5f9f2eda2f486a9d45e55f1371f4be [2024-08-14 14:15:49,145 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:15:49,145 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:15:49,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/pc_sfifo_1.cil-2+token_ring.01.cil-2.yml/witness.yml [2024-08-14 14:15:49,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:15:49,303 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:15:49,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:49,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:15:49,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:15:49,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:49" (1/2) ... [2024-08-14 14:15:49,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761925b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:49, skipping insertion in model container [2024-08-14 14:15:49,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:49" (1/2) ... [2024-08-14 14:15:49,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2be0c9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:49, skipping insertion in model container [2024-08-14 14:15:49,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:49" (2/2) ... [2024-08-14 14:15:49,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761925b1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:49, skipping insertion in model container [2024-08-14 14:15:49,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:49" (2/2) ... [2024-08-14 14:15:49,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:15:49,529 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-2+token_ring.01.cil-2.c[913,926] [2024-08-14 14:15:49,587 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-2+token_ring.01.cil-2.c[5977,5990] [2024-08-14 14:15:49,630 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:49,643 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:15:49,659 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-2+token_ring.01.cil-2.c[913,926] [2024-08-14 14:15:49,674 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-2+token_ring.01.cil-2.c[5977,5990] [2024-08-14 14:15:49,689 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:15:49,716 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:15:49,718 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:15:49 WrapperNode [2024-08-14 14:15:49,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:15:49,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:15:49,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:15:49,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:15:49,732 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,732 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,742 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,770 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 14:15:49,771 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,771 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,780 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,782 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,784 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:15:49,788 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:15:49,788 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:15:49,788 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:15:49,789 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 02:15:49" (1/1) ... [2024-08-14 14:15:49,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:15:49,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:15:49,819 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 14:15:49,821 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 14:15:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:15:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:15:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads1 [2024-08-14 14:15:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-08-14 14:15:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure eval1 [2024-08-14 14:15:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation1 [2024-08-14 14:15:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation1 [2024-08-14 14:15:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model1 [2024-08-14 14:15:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:15:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-08-14 14:15:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads2 [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure eval2 [2024-08-14 14:15:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-08-14 14:15:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-08-14 14:15:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-08-14 14:15:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-08-14 14:15:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events2 [2024-08-14 14:15:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events2 [2024-08-14 14:15:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model2 [2024-08-14 14:15:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation2 [2024-08-14 14:15:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation2 [2024-08-14 14:15:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:15:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:15:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:15:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads1 [2024-08-14 14:15:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-08-14 14:15:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure eval1 [2024-08-14 14:15:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation1 [2024-08-14 14:15:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation1 [2024-08-14 14:15:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure init_model1 [2024-08-14 14:15:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:15:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-08-14 14:15:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2024-08-14 14:15:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2024-08-14 14:15:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-08-14 14:15:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure master [2024-08-14 14:15:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2024-08-14 14:15:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-08-14 14:15:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads2 [2024-08-14 14:15:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-08-14 14:15:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure eval2 [2024-08-14 14:15:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-08-14 14:15:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-08-14 14:15:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-08-14 14:15:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events2 [2024-08-14 14:15:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events2 [2024-08-14 14:15:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure init_model2 [2024-08-14 14:15:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation2 [2024-08-14 14:15:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation2 [2024-08-14 14:15:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:15:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:15:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:15:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:15:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:15:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:15:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:15:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:15:49,968 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:15:49,975 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:15:50,461 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-08-14 14:15:50,461 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:15:50,480 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:15:50,480 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:15:50,480 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:50 BoogieIcfgContainer [2024-08-14 14:15:50,481 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:15:50,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:15:50,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:15:50,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:15:50,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:15:49" (1/4) ... [2024-08-14 14:15:50,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb4453d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:15:50, skipping insertion in model container [2024-08-14 14:15:50,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:15:49" (2/4) ... [2024-08-14 14:15:50,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb4453d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:50, skipping insertion in model container [2024-08-14 14:15:50,490 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 02:15:49" (3/4) ... [2024-08-14 14:15:50,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb4453d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:15:50, skipping insertion in model container [2024-08-14 14:15:50,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:15:50" (4/4) ... [2024-08-14 14:15:50,492 INFO L119 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-2+token_ring.01.cil-2.c [2024-08-14 14:15:50,492 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:15:50,516 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:15:50,516 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:15:50,555 INFO L92 WitnessUtils]: Constructing product of automaton with 275 states and violation witness of the following lengths: [102] [2024-08-14 14:15:50,563 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 275 states, 191 states have (on average 1.4397905759162304) internal successors, (275), 204 states have internal predecessors, (275), 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 14:15:51,548 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 2743 states to 0 states. [2024-08-14 14:15:51,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:15:51,591 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;@14382bff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:15:51,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:15:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-14 14:15:51,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-14 14:15:51,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:15:51,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:15:51,602 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 14:15:51,605 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:15:51,609 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:15:51 BoogieIcfgContainer [2024-08-14 14:15:51,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:15:51,611 INFO L158 Benchmark]: Toolchain (without parser) took 2307.47ms. Allocated memory was 157.3MB in the beginning and 245.4MB in the end (delta: 88.1MB). Free memory was 95.2MB in the beginning and 210.7MB in the end (delta: -115.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:51,611 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:51,612 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:51,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.18ms. Allocated memory is still 157.3MB. Free memory was 94.8MB in the beginning and 77.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:15:51,613 INFO L158 Benchmark]: Boogie Preprocessor took 67.72ms. Allocated memory is still 157.3MB. Free memory was 77.6MB in the beginning and 74.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:15:51,614 INFO L158 Benchmark]: IcfgBuilder took 693.08ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 74.6MB in the beginning and 151.3MB in the end (delta: -76.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-08-14 14:15:51,615 INFO L158 Benchmark]: TraceAbstraction took 1124.65ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 151.3MB in the beginning and 210.7MB in the end (delta: -59.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:15:51,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 157.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.18ms. Allocated memory is still 157.3MB. Free memory was 94.8MB in the beginning and 77.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.72ms. Allocated memory is still 157.3MB. Free memory was 77.6MB in the beginning and 74.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 693.08ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 74.6MB in the beginning and 151.3MB in the end (delta: -76.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1124.65ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 151.3MB in the beginning and 210.7MB in the end (delta: -59.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 390]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 278 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, 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 14:15:51,653 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