./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/psyco/psyco_abp_1-1.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/psyco_abp_1-1.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/psyco/psyco_abp_1-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/psyco_abp_1-1.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:22:23,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:22:23,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:22:23,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:22:23,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:22:23,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:22:23,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:22:23,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:22:23,826 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:22:23,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:22:23,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:22:23,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:22:23,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:22:23,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:22:23,829 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:22:23,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:22:23,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:22:23,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:22:23,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:22:23,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:22:23,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:22:23,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:22:23,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:22:23,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:22:23,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:22:23,835 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:22:23,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:22:23,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:22:23,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:22:23,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:22:23,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:22:23,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:22:23,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:22:23,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:22:23,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:22:23,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:22:23,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:22:23,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:22:23,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:22:23,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:22:23,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:22:23,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:22:23,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:22:23,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:22:24,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:22:24,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:22:24,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:22:24,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:22:24,066 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:22:24,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_abp_1-1.c [2024-08-14 14:22:25,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:22:25,420 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:22:25,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_abp_1-1.c [2024-08-14 14:22:25,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493dafce4/a3b18d8cda804ef38d7c7265cccaed9a/FLAG7363f7d01 [2024-08-14 14:22:25,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493dafce4/a3b18d8cda804ef38d7c7265cccaed9a [2024-08-14 14:22:25,804 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:22:25,808 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:22:25,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/psyco_abp_1-1.yml/witness.yml [2024-08-14 14:22:25,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:22:25,974 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:22:25,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:22:25,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:22:25,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:22:25,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:22:25" (1/2) ... [2024-08-14 14:22:25,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0a976c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:25, skipping insertion in model container [2024-08-14 14:22:25,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:22:25" (1/2) ... [2024-08-14 14:22:25,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48fad09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:25, skipping insertion in model container [2024-08-14 14:22:25,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:25" (2/2) ... [2024-08-14 14:22:25,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0a976c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:22:25, skipping insertion in model container [2024-08-14 14:22:25,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:25" (2/2) ... [2024-08-14 14:22:26,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:22:26,193 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_abp_1-1.c[24818,24831] [2024-08-14 14:22:26,202 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:22:26,210 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:22:26,270 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_abp_1-1.c[24818,24831] [2024-08-14 14:22:26,275 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:22:26,288 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:22:26,289 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:22:26 WrapperNode [2024-08-14 14:22:26,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:22:26,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:22:26,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:22:26,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:22:26,300 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,300 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,309 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,331 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 14:22:26,332 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,332 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,350 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,355 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,357 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:22:26,364 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:22:26,364 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:22:26,364 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:22:26,364 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 02:22:26" (1/1) ... [2024-08-14 14:22:26,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:22:26,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:22:26,394 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 14:22:26,396 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 14:22:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:22:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:22:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:22:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:22:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:22:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:22:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:22:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:22:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:22:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:22:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:22:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:22:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:22:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:22:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:22:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:22:26,534 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:22:26,538 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:22:27,077 INFO L? ?]: Removed 288 outVars from TransFormulas that were not future-live. [2024-08-14 14:22:27,077 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:22:27,088 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:22:27,090 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:22:27,091 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:22:27 BoogieIcfgContainer [2024-08-14 14:22:27,091 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:22:27,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:22:27,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:22:27,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:22:27,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:22:25" (1/4) ... [2024-08-14 14:22:27,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347612bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:22:27, skipping insertion in model container [2024-08-14 14:22:27,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:25" (2/4) ... [2024-08-14 14:22:27,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347612bd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:22:27, skipping insertion in model container [2024-08-14 14:22:27,096 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 02:22:26" (3/4) ... [2024-08-14 14:22:27,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347612bd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:22:27, skipping insertion in model container [2024-08-14 14:22:27,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:22:27" (4/4) ... [2024-08-14 14:22:27,097 INFO L119 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2024-08-14 14:22:27,097 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:22:27,111 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:22:27,111 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:22:27,136 INFO L92 WitnessUtils]: Constructing product of automaton with 174 states and violation witness of the following lengths: [356] [2024-08-14 14:22:27,147 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 174 states, 168 states have (on average 1.6130952380952381) internal successors, (271), 169 states have internal predecessors, (271), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-08-14 14:22:31,122 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 40138 states to 25266 states. [2024-08-14 14:22:31,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:22:31,141 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;@6ccecbc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:22:31,141 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:22:31,142 INFO L276 IsEmpty]: Start isEmpty. Operand 25266 states. [2024-08-14 14:22:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-08-14 14:22:31,234 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:22:31,235 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 25, 25, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:22:31,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:22:31,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:22:31,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1647018715, now seen corresponding path program 1 times [2024-08-14 14:22:31,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:22:31,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305269372] [2024-08-14 14:22:31,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:22:31,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:22:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:22:32,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:22:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:22:32,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:22:32,740 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:22:32,741 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:22:32,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:22:32,745 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:22:32,750 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:22:32,869 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:22:32 BoogieIcfgContainer [2024-08-14 14:22:32,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:22:32,870 INFO L158 Benchmark]: Toolchain (without parser) took 6896.68ms. Allocated memory was 167.8MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 112.1MB in the beginning and 532.0MB in the end (delta: -419.9MB). Peak memory consumption was 804.5MB. Max. memory is 16.1GB. [2024-08-14 14:22:32,871 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 104.9MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:22:32,872 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:22:32,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.65ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 91.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-14 14:22:32,872 INFO L158 Benchmark]: Boogie Preprocessor took 72.76ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 88.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:22:32,873 INFO L158 Benchmark]: IcfgBuilder took 727.58ms. Allocated memory is still 167.8MB. Free memory was 88.3MB in the beginning and 91.4MB in the end (delta: -3.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:22:32,874 INFO L158 Benchmark]: TraceAbstraction took 5777.11ms. Allocated memory was 167.8MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 91.4MB in the beginning and 532.0MB in the end (delta: -440.6MB). Peak memory consumption was 786.1MB. Max. memory is 16.1GB. [2024-08-14 14:22:32,876 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 104.9MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.65ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 91.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.76ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 88.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 727.58ms. Allocated memory is still 167.8MB. Free memory was 88.3MB in the beginning and 91.4MB in the end (delta: -3.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5777.11ms. Allocated memory was 167.8MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 91.4MB in the beginning and 532.0MB in the end (delta: -440.6MB). Peak memory consumption was 786.1MB. 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 - CounterExampleResult [Line: 571]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] int m_Protocol = 1; [L8] int m_msg_2 = 2; [L9] int m_recv_ack_2 = 3; [L10] int m_msg_1_1 = 4; [L11] int m_msg_1_2 = 5; [L12] int m_recv_ack_1_1 = 6; [L13] int m_recv_ack_1_2 = 7; VAL [\old(m_Protocol)=50, \old(m_msg_1_1)=53, \old(m_msg_1_2)=55, \old(m_msg_2)=54, \old(m_recv_ack_1_1)=49, \old(m_recv_ack_1_2)=52, \old(m_recv_ack_2)=51, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3] [L18] int q = 0; [L19] int method_id; [L22] int this_expect = 0; [L23] int this_buffer_empty = 0; VAL [m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=0, this_buffer_empty=0, this_expect=0] [L26] COND TRUE 1 VAL [m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=0, this_buffer_empty=0, this_expect=0] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=0, this_buffer_empty=0, this_expect=0] [L45] COND TRUE q == 0 [L46] COND TRUE __VERIFIER_nondet_int() [L48] COND TRUE 1 [L50] method_id = 1 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=0, this_buffer_empty=0, this_expect=0] [L52] COND FALSE !(0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=0, this_buffer_empty=0, this_expect=0] [L56] q = 1 [L58] this_expect=0 [L58] this_buffer_empty=1 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=0] [L26] COND TRUE 1 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=0] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=0] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=0] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=0] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=0] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=1] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=1] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=2] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=2] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=2] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=2] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=2] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=2] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=2] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=3] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=3] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=4] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=4] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=4] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=4] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=4] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=4] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=4] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=5] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=5] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=2, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=2, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=2, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=2, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=2, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=2, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=2, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=6] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=6] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=6] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=6] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=6] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=6] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=6] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=7] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=-1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=7] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=8] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=8] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=8] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=8] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=8] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=8] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=8] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=9] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=9] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=10] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=10] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=10] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=10] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=10] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=10] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=10] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=11] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=11] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=12] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=12] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=12] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=12] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=12] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=12] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=12] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=13] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=13] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=14] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=14] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=14] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=14] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=14] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=14] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=14] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=-1, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=15] [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L26] COND TRUE 1 VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [P3=0, P4=0, P6=1, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=4, this_buffer_empty=1, this_expect=15] [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L26] COND TRUE 1 VAL [P3=0, P4=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L45] COND FALSE !(q == 0) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L65] COND FALSE !(q == 1) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L165] COND FALSE !(q == 2) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L265] COND FALSE !(q == 3) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L365] COND FALSE !(q == 4) VAL [P1=1, P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [P3=0, P4=0, P6=0, P8=0, P9=1, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=5, this_buffer_empty=0, this_expect=16] [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=16] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=16] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [P1=-2, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=16] [L45] COND FALSE !(q == 0) VAL [P1=-2, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=16] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [P1=-2, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=16] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=1, this_buffer_empty=1, this_expect=16] [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=17] [L26] COND TRUE 1 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=17] [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND TRUE this_expect > 16 [L41] this_expect = -16 VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=-16] [L45] COND FALSE !(q == 0) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=-16] [L65] COND FALSE !(q == 1) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=-16] [L165] COND FALSE !(q == 2) VAL [P1=0, P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=-16] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [P3=0, P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3, this_buffer_empty=0, this_expect=-16] [L288] COND TRUE (((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2)))) VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3] [L571] reach_error() VAL [P4=0, P6=0, P8=0, P9=0, m_Protocol=1, m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 177 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25266occurred 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-14 14:22:32,919 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE