./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/token_ring.04.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/systemc/token_ring.04.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4710f8f3a918a0191222414f5c33a367ff98c09c2e8598fa3213223c4c35dba --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 16:20:06,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 16:20:06,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-04 16:20:06,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 16:20:06,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 16:20:06,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-04 16:20:06,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 16:20:06,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 16:20:06,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 16:20:06,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 16:20:06,178 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 16:20:06,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 16:20:06,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 16:20:06,179 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-04 16:20:06,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-04 16:20:06,179 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 16:20:06,180 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 16:20:06,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 16:20:06,181 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-04 16:20:06,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 16:20:06,181 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 16:20:06,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 16:20:06,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 16:20:06,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 16:20:06,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 16:20:06,182 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-04 16:20:06,182 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4710f8f3a918a0191222414f5c33a367ff98c09c2e8598fa3213223c4c35dba [2025-03-04 16:20:06,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 16:20:06,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 16:20:06,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 16:20:06,379 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 16:20:06,379 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 16:20:06,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2025-03-04 16:20:07,526 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cf08f40/35e55f6ae183433f997e6c7d50fb2b53/FLAG723ffe495 [2025-03-04 16:20:07,765 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 16:20:07,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2025-03-04 16:20:07,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cf08f40/35e55f6ae183433f997e6c7d50fb2b53/FLAG723ffe495 [2025-03-04 16:20:08,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cf08f40/35e55f6ae183433f997e6c7d50fb2b53 [2025-03-04 16:20:08,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 16:20:08,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 16:20:08,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 16:20:08,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 16:20:08,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 16:20:08,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d7c3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08, skipping insertion in model container [2025-03-04 16:20:08,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 16:20:08,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:20:08,309 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 16:20:08,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 16:20:08,354 INFO L204 MainTranslator]: Completed translation [2025-03-04 16:20:08,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08 WrapperNode [2025-03-04 16:20:08,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 16:20:08,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 16:20:08,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 16:20:08,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 16:20:08,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,390 INFO L138 Inliner]: procedures = 36, calls = 44, calls flagged for inlining = 39, calls inlined = 78, statements flattened = 1052 [2025-03-04 16:20:08,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 16:20:08,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 16:20:08,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 16:20:08,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 16:20:08,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,425 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]. [2025-03-04 16:20:08,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 16:20:08,453 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 16:20:08,453 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 16:20:08,453 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 16:20:08,454 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (1/1) ... [2025-03-04 16:20:08,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-04 16:20:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 16:20:08,482 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) [2025-03-04 16:20:08,485 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 [2025-03-04 16:20:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 16:20:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 16:20:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 16:20:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 16:20:08,577 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 16:20:08,579 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 16:20:09,330 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2025-03-04 16:20:09,330 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 16:20:09,347 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 16:20:09,347 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 16:20:09,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:20:09 BoogieIcfgContainer [2025-03-04 16:20:09,348 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 16:20:09,348 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-04 16:20:09,348 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-04 16:20:09,356 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-04 16:20:09,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:20:09,356 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 04.03 04:20:08" (1/3) ... [2025-03-04 16:20:09,357 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31f58028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:20:09, skipping insertion in model container [2025-03-04 16:20:09,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:20:09,357 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:20:08" (2/3) ... [2025-03-04 16:20:09,357 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31f58028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 04.03 04:20:09, skipping insertion in model container [2025-03-04 16:20:09,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-04 16:20:09,357 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:20:09" (3/3) ... [2025-03-04 16:20:09,358 INFO L363 chiAutomizerObserver]: Analyzing ICFG token_ring.04.cil-1.c [2025-03-04 16:20:09,402 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-04 16:20:09,403 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-04 16:20:09,403 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-04 16:20:09,403 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-04 16:20:09,403 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-04 16:20:09,403 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-04 16:20:09,403 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-04 16:20:09,403 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-04 16:20:09,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 442 states, 441 states have (on average 1.5034013605442176) internal successors, (663), 441 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:09,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 371 [2025-03-04 16:20:09,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:09,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:09,443 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:09,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:09,444 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-04 16:20:09,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 442 states, 441 states have (on average 1.5034013605442176) internal successors, (663), 441 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:09,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 371 [2025-03-04 16:20:09,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:09,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:09,462 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:09,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:09,473 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume !(1 == ~m_i~0);~m_st~0 := 2;" "assume !(1 == ~t1_i~0);~t1_st~0 := 2;" "assume !(1 == ~t2_i~0);~t2_st~0 := 2;" "assume !(1 == ~t3_i~0);~t3_st~0 := 2;" "assume !(1 == ~t4_i~0);~t4_st~0 := 2;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:09,474 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume !true;" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~M_E~0;~M_E~0 := 2;" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:09,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:09,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1661735675, now seen corresponding path program 1 times [2025-03-04 16:20:09,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:09,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055249835] [2025-03-04 16:20:09,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:09,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:09,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:09,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:09,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:09,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:09,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:09,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055249835] [2025-03-04 16:20:09,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055249835] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:09,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:09,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:09,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41107763] [2025-03-04 16:20:09,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:09,667 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:09,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:09,668 INFO L85 PathProgramCache]: Analyzing trace with hash -168762488, now seen corresponding path program 1 times [2025-03-04 16:20:09,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:09,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229986967] [2025-03-04 16:20:09,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:09,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:09,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-04 16:20:09,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-04 16:20:09,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:09,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:09,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:09,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229986967] [2025-03-04 16:20:09,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229986967] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:09,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:09,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:20:09,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856076333] [2025-03-04 16:20:09,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:09,714 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:09,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:09,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:09,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:09,740 INFO L87 Difference]: Start difference. First operand has 442 states, 441 states have (on average 1.5034013605442176) internal successors, (663), 441 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:09,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:09,776 INFO L93 Difference]: Finished difference Result 440 states and 652 transitions. [2025-03-04 16:20:09,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 440 states and 652 transitions. [2025-03-04 16:20:09,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:09,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 440 states to 435 states and 647 transitions. [2025-03-04 16:20:09,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435 [2025-03-04 16:20:09,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435 [2025-03-04 16:20:09,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 647 transitions. [2025-03-04 16:20:09,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:09,790 INFO L218 hiAutomatonCegarLoop]: Abstraction has 435 states and 647 transitions. [2025-03-04 16:20:09,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 647 transitions. [2025-03-04 16:20:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2025-03-04 16:20:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 435 states have (on average 1.4873563218390804) internal successors, (647), 434 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 647 transitions. [2025-03-04 16:20:09,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 435 states and 647 transitions. [2025-03-04 16:20:09,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:09,823 INFO L432 stractBuchiCegarLoop]: Abstraction has 435 states and 647 transitions. [2025-03-04 16:20:09,823 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-04 16:20:09,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states and 647 transitions. [2025-03-04 16:20:09,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:09,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:09,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:09,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:09,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:09,830 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume !(1 == ~t1_i~0);~t1_st~0 := 2;" "assume !(1 == ~t2_i~0);~t2_st~0 := 2;" "assume !(1 == ~t3_i~0);~t3_st~0 := 2;" "assume !(1 == ~t4_i~0);~t4_st~0 := 2;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:09,832 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~M_E~0;~M_E~0 := 2;" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:09,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:09,833 INFO L85 PathProgramCache]: Analyzing trace with hash 268883430, now seen corresponding path program 1 times [2025-03-04 16:20:09,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:09,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867915183] [2025-03-04 16:20:09,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:09,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:09,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:09,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:09,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:09,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:09,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:09,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867915183] [2025-03-04 16:20:09,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867915183] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:09,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:09,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:09,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456318242] [2025-03-04 16:20:09,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:09,892 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:09,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:09,892 INFO L85 PathProgramCache]: Analyzing trace with hash -646491956, now seen corresponding path program 1 times [2025-03-04 16:20:09,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:09,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806157121] [2025-03-04 16:20:09,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:09,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:09,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:09,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:09,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:09,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:09,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:09,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806157121] [2025-03-04 16:20:09,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806157121] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:09,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:09,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:09,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160468355] [2025-03-04 16:20:09,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:09,983 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:09,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:09,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:09,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:09,984 INFO L87 Difference]: Start difference. First operand 435 states and 647 transitions. cyclomatic complexity: 213 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:10,005 INFO L93 Difference]: Finished difference Result 435 states and 646 transitions. [2025-03-04 16:20:10,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 435 states and 646 transitions. [2025-03-04 16:20:10,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 435 states to 435 states and 646 transitions. [2025-03-04 16:20:10,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435 [2025-03-04 16:20:10,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435 [2025-03-04 16:20:10,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 646 transitions. [2025-03-04 16:20:10,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:10,045 INFO L218 hiAutomatonCegarLoop]: Abstraction has 435 states and 646 transitions. [2025-03-04 16:20:10,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 646 transitions. [2025-03-04 16:20:10,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2025-03-04 16:20:10,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 435 states have (on average 1.4850574712643678) internal successors, (646), 434 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 646 transitions. [2025-03-04 16:20:10,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 435 states and 646 transitions. [2025-03-04 16:20:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:10,065 INFO L432 stractBuchiCegarLoop]: Abstraction has 435 states and 646 transitions. [2025-03-04 16:20:10,065 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-04 16:20:10,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states and 646 transitions. [2025-03-04 16:20:10,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:10,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:10,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,068 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume !(1 == ~t2_i~0);~t2_st~0 := 2;" "assume !(1 == ~t3_i~0);~t3_st~0 := 2;" "assume !(1 == ~t4_i~0);~t4_st~0 := 2;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:10,068 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~M_E~0;~M_E~0 := 2;" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:10,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash -361575195, now seen corresponding path program 1 times [2025-03-04 16:20:10,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888105225] [2025-03-04 16:20:10,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:10,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:10,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888105225] [2025-03-04 16:20:10,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888105225] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530979760] [2025-03-04 16:20:10,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,120 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:10,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash -646491956, now seen corresponding path program 2 times [2025-03-04 16:20:10,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577203301] [2025-03-04 16:20:10,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:20:10,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,133 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:10,143 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:10,143 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:20:10,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577203301] [2025-03-04 16:20:10,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577203301] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554768879] [2025-03-04 16:20:10,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,189 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:10,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:10,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:10,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:10,190 INFO L87 Difference]: Start difference. First operand 435 states and 646 transitions. cyclomatic complexity: 212 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:10,201 INFO L93 Difference]: Finished difference Result 435 states and 645 transitions. [2025-03-04 16:20:10,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 435 states and 645 transitions. [2025-03-04 16:20:10,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 435 states to 435 states and 645 transitions. [2025-03-04 16:20:10,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435 [2025-03-04 16:20:10,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435 [2025-03-04 16:20:10,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 645 transitions. [2025-03-04 16:20:10,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:10,206 INFO L218 hiAutomatonCegarLoop]: Abstraction has 435 states and 645 transitions. [2025-03-04 16:20:10,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 645 transitions. [2025-03-04 16:20:10,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2025-03-04 16:20:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 435 states have (on average 1.4827586206896552) internal successors, (645), 434 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 645 transitions. [2025-03-04 16:20:10,220 INFO L240 hiAutomatonCegarLoop]: Abstraction has 435 states and 645 transitions. [2025-03-04 16:20:10,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:10,222 INFO L432 stractBuchiCegarLoop]: Abstraction has 435 states and 645 transitions. [2025-03-04 16:20:10,222 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-04 16:20:10,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states and 645 transitions. [2025-03-04 16:20:10,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:10,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:10,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,224 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,224 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume !(1 == ~t3_i~0);~t3_st~0 := 2;" "assume !(1 == ~t4_i~0);~t4_st~0 := 2;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:10,224 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~M_E~0;~M_E~0 := 2;" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:10,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,227 INFO L85 PathProgramCache]: Analyzing trace with hash -381912570, now seen corresponding path program 1 times [2025-03-04 16:20:10,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802442718] [2025-03-04 16:20:10,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:10,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:10,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802442718] [2025-03-04 16:20:10,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802442718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948189557] [2025-03-04 16:20:10,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,272 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:10,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,272 INFO L85 PathProgramCache]: Analyzing trace with hash 556082831, now seen corresponding path program 1 times [2025-03-04 16:20:10,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35199522] [2025-03-04 16:20:10,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:10,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:10,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35199522] [2025-03-04 16:20:10,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35199522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041891330] [2025-03-04 16:20:10,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,335 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:10,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:10,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:10,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:10,335 INFO L87 Difference]: Start difference. First operand 435 states and 645 transitions. cyclomatic complexity: 211 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:10,353 INFO L93 Difference]: Finished difference Result 435 states and 644 transitions. [2025-03-04 16:20:10,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 435 states and 644 transitions. [2025-03-04 16:20:10,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 435 states to 435 states and 644 transitions. [2025-03-04 16:20:10,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435 [2025-03-04 16:20:10,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435 [2025-03-04 16:20:10,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 644 transitions. [2025-03-04 16:20:10,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:10,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 435 states and 644 transitions. [2025-03-04 16:20:10,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 644 transitions. [2025-03-04 16:20:10,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2025-03-04 16:20:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 435 states have (on average 1.4804597701149425) internal successors, (644), 434 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 644 transitions. [2025-03-04 16:20:10,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 435 states and 644 transitions. [2025-03-04 16:20:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:10,370 INFO L432 stractBuchiCegarLoop]: Abstraction has 435 states and 644 transitions. [2025-03-04 16:20:10,370 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-03-04 16:20:10,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states and 644 transitions. [2025-03-04 16:20:10,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:10,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:10,373 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,373 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,373 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume !(1 == ~t4_i~0);~t4_st~0 := 2;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:10,373 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~M_E~0;~M_E~0 := 2;" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:10,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1075305275, now seen corresponding path program 1 times [2025-03-04 16:20:10,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719448947] [2025-03-04 16:20:10,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:10,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:10,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719448947] [2025-03-04 16:20:10,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719448947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194463451] [2025-03-04 16:20:10,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,410 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:10,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,410 INFO L85 PathProgramCache]: Analyzing trace with hash -320988855, now seen corresponding path program 1 times [2025-03-04 16:20:10,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096091670] [2025-03-04 16:20:10,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:10,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:10,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096091670] [2025-03-04 16:20:10,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096091670] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593123905] [2025-03-04 16:20:10,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,481 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:10,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:10,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:10,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:10,482 INFO L87 Difference]: Start difference. First operand 435 states and 644 transitions. cyclomatic complexity: 210 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:10,492 INFO L93 Difference]: Finished difference Result 435 states and 643 transitions. [2025-03-04 16:20:10,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 435 states and 643 transitions. [2025-03-04 16:20:10,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 435 states to 435 states and 643 transitions. [2025-03-04 16:20:10,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435 [2025-03-04 16:20:10,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435 [2025-03-04 16:20:10,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 643 transitions. [2025-03-04 16:20:10,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:10,497 INFO L218 hiAutomatonCegarLoop]: Abstraction has 435 states and 643 transitions. [2025-03-04 16:20:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 643 transitions. [2025-03-04 16:20:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2025-03-04 16:20:10,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 435 states have (on average 1.4781609195402299) internal successors, (643), 434 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 643 transitions. [2025-03-04 16:20:10,503 INFO L240 hiAutomatonCegarLoop]: Abstraction has 435 states and 643 transitions. [2025-03-04 16:20:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:10,504 INFO L432 stractBuchiCegarLoop]: Abstraction has 435 states and 643 transitions. [2025-03-04 16:20:10,504 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-03-04 16:20:10,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states and 643 transitions. [2025-03-04 16:20:10,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 368 [2025-03-04 16:20:10,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:10,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:10,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,507 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:10,507 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~M_E~0;~M_E~0 := 1;" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~M_E~0;~M_E~0 := 2;" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:10,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1513314778, now seen corresponding path program 1 times [2025-03-04 16:20:10,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313351605] [2025-03-04 16:20:10,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:10,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:10,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313351605] [2025-03-04 16:20:10,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313351605] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:20:10,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38394780] [2025-03-04 16:20:10,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,558 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:10,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,559 INFO L85 PathProgramCache]: Analyzing trace with hash -884841844, now seen corresponding path program 1 times [2025-03-04 16:20:10,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204632863] [2025-03-04 16:20:10,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:10,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:10,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204632863] [2025-03-04 16:20:10,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204632863] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256160297] [2025-03-04 16:20:10,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,594 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:10,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:10,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:10,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:10,595 INFO L87 Difference]: Start difference. First operand 435 states and 643 transitions. cyclomatic complexity: 209 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:10,625 INFO L93 Difference]: Finished difference Result 766 states and 1127 transitions. [2025-03-04 16:20:10,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 766 states and 1127 transitions. [2025-03-04 16:20:10,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 699 [2025-03-04 16:20:10,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 766 states to 766 states and 1127 transitions. [2025-03-04 16:20:10,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 766 [2025-03-04 16:20:10,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 766 [2025-03-04 16:20:10,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 766 states and 1127 transitions. [2025-03-04 16:20:10,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:10,634 INFO L218 hiAutomatonCegarLoop]: Abstraction has 766 states and 1127 transitions. [2025-03-04 16:20:10,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states and 1127 transitions. [2025-03-04 16:20:10,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2025-03-04 16:20:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 766 states have (on average 1.4712793733681462) internal successors, (1127), 765 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1127 transitions. [2025-03-04 16:20:10,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 766 states and 1127 transitions. [2025-03-04 16:20:10,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:10,660 INFO L432 stractBuchiCegarLoop]: Abstraction has 766 states and 1127 transitions. [2025-03-04 16:20:10,660 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-03-04 16:20:10,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states and 1127 transitions. [2025-03-04 16:20:10,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 699 [2025-03-04 16:20:10,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:10,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:10,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,665 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,666 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:10,666 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume 0 == ~E_3~0;~E_3~0 := 1;" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:10,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,666 INFO L85 PathProgramCache]: Analyzing trace with hash -744144763, now seen corresponding path program 1 times [2025-03-04 16:20:10,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928328843] [2025-03-04 16:20:10,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:10,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:10,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928328843] [2025-03-04 16:20:10,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928328843] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354508567] [2025-03-04 16:20:10,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,723 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:10,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,724 INFO L85 PathProgramCache]: Analyzing trace with hash -745313617, now seen corresponding path program 1 times [2025-03-04 16:20:10,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214651116] [2025-03-04 16:20:10,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:10,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:10,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214651116] [2025-03-04 16:20:10,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214651116] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109848271] [2025-03-04 16:20:10,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,748 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:10,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:10,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 16:20:10,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 16:20:10,749 INFO L87 Difference]: Start difference. First operand 766 states and 1127 transitions. cyclomatic complexity: 362 Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:10,848 INFO L93 Difference]: Finished difference Result 1053 states and 1542 transitions. [2025-03-04 16:20:10,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1053 states and 1542 transitions. [2025-03-04 16:20:10,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 983 [2025-03-04 16:20:10,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1053 states to 1053 states and 1542 transitions. [2025-03-04 16:20:10,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1053 [2025-03-04 16:20:10,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1053 [2025-03-04 16:20:10,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1053 states and 1542 transitions. [2025-03-04 16:20:10,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:10,858 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1053 states and 1542 transitions. [2025-03-04 16:20:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states and 1542 transitions. [2025-03-04 16:20:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 766. [2025-03-04 16:20:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 766 states have (on average 1.4673629242819843) internal successors, (1124), 765 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1124 transitions. [2025-03-04 16:20:10,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 766 states and 1124 transitions. [2025-03-04 16:20:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 16:20:10,871 INFO L432 stractBuchiCegarLoop]: Abstraction has 766 states and 1124 transitions. [2025-03-04 16:20:10,871 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-03-04 16:20:10,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states and 1124 transitions. [2025-03-04 16:20:10,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 699 [2025-03-04 16:20:10,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:10,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:10,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:10,875 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:10,875 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume 1 == ~m_pc~0;" "assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:10,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1768838684, now seen corresponding path program 1 times [2025-03-04 16:20:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986670810] [2025-03-04 16:20:10,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:10,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:10,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986670810] [2025-03-04 16:20:10,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986670810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:20:10,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259476986] [2025-03-04 16:20:10,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,911 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:10,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1230567096, now seen corresponding path program 1 times [2025-03-04 16:20:10,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:10,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639146628] [2025-03-04 16:20:10,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:10,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:10,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:10,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:10,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:10,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:10,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:10,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639146628] [2025-03-04 16:20:10,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639146628] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:10,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:10,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:10,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653198836] [2025-03-04 16:20:10,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:10,946 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:10,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:10,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:10,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:10,946 INFO L87 Difference]: Start difference. First operand 766 states and 1124 transitions. cyclomatic complexity: 359 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:11,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:11,003 INFO L93 Difference]: Finished difference Result 1447 states and 2101 transitions. [2025-03-04 16:20:11,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1447 states and 2101 transitions. [2025-03-04 16:20:11,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1377 [2025-03-04 16:20:11,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1447 states to 1447 states and 2101 transitions. [2025-03-04 16:20:11,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1447 [2025-03-04 16:20:11,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1447 [2025-03-04 16:20:11,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1447 states and 2101 transitions. [2025-03-04 16:20:11,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:11,021 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1447 states and 2101 transitions. [2025-03-04 16:20:11,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states and 2101 transitions. [2025-03-04 16:20:11,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1379. [2025-03-04 16:20:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 1379 states have (on average 1.4554024655547497) internal successors, (2007), 1378 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 2007 transitions. [2025-03-04 16:20:11,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1379 states and 2007 transitions. [2025-03-04 16:20:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:11,045 INFO L432 stractBuchiCegarLoop]: Abstraction has 1379 states and 2007 transitions. [2025-03-04 16:20:11,045 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-03-04 16:20:11,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1379 states and 2007 transitions. [2025-03-04 16:20:11,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1309 [2025-03-04 16:20:11,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:11,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:11,054 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:11,054 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:11,054 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume 1 == ~t1_pc~0;" "assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:11,055 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:11,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:11,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1962275623, now seen corresponding path program 1 times [2025-03-04 16:20:11,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:11,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236961559] [2025-03-04 16:20:11,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:11,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:11,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:11,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:11,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:11,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:11,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:11,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236961559] [2025-03-04 16:20:11,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236961559] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:11,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:11,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:20:11,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898071074] [2025-03-04 16:20:11,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:11,093 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:11,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:11,094 INFO L85 PathProgramCache]: Analyzing trace with hash -43587689, now seen corresponding path program 1 times [2025-03-04 16:20:11,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:11,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20767289] [2025-03-04 16:20:11,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:11,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:11,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:11,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:11,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:11,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:11,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:11,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20767289] [2025-03-04 16:20:11,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20767289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:11,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:11,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146542848] [2025-03-04 16:20:11,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:11,123 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:11,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:11,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:11,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:11,124 INFO L87 Difference]: Start difference. First operand 1379 states and 2007 transitions. cyclomatic complexity: 630 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:11,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:11,172 INFO L93 Difference]: Finished difference Result 2521 states and 3645 transitions. [2025-03-04 16:20:11,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2521 states and 3645 transitions. [2025-03-04 16:20:11,184 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 2440 [2025-03-04 16:20:11,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2521 states to 2521 states and 3645 transitions. [2025-03-04 16:20:11,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2521 [2025-03-04 16:20:11,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2521 [2025-03-04 16:20:11,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2521 states and 3645 transitions. [2025-03-04 16:20:11,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:11,198 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2521 states and 3645 transitions. [2025-03-04 16:20:11,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states and 3645 transitions. [2025-03-04 16:20:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2509. [2025-03-04 16:20:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2509 states have (on average 1.447987245914707) internal successors, (3633), 2508 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3633 transitions. [2025-03-04 16:20:11,236 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2509 states and 3633 transitions. [2025-03-04 16:20:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:11,238 INFO L432 stractBuchiCegarLoop]: Abstraction has 2509 states and 3633 transitions. [2025-03-04 16:20:11,238 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-03-04 16:20:11,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2509 states and 3633 transitions. [2025-03-04 16:20:11,246 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 2428 [2025-03-04 16:20:11,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:11,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:11,247 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:11,247 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:11,248 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:11,248 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume 1 == ~t2_pc~0;" "assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:11,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:11,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1636772522, now seen corresponding path program 1 times [2025-03-04 16:20:11,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:11,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366678] [2025-03-04 16:20:11,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:11,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:11,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:11,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:11,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:11,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:11,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:11,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366678] [2025-03-04 16:20:11,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:11,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:11,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:20:11,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081461090] [2025-03-04 16:20:11,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:11,283 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:11,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:11,284 INFO L85 PathProgramCache]: Analyzing trace with hash -682309487, now seen corresponding path program 1 times [2025-03-04 16:20:11,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:11,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573546960] [2025-03-04 16:20:11,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:11,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:11,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:11,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:11,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:11,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:11,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:11,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573546960] [2025-03-04 16:20:11,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573546960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:11,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:11,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:11,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233261747] [2025-03-04 16:20:11,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:11,312 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:11,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:11,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:11,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:11,312 INFO L87 Difference]: Start difference. First operand 2509 states and 3633 transitions. cyclomatic complexity: 1128 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:11,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:11,368 INFO L93 Difference]: Finished difference Result 4612 states and 6638 transitions. [2025-03-04 16:20:11,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4612 states and 6638 transitions. [2025-03-04 16:20:11,394 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 4508 [2025-03-04 16:20:11,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4612 states to 4612 states and 6638 transitions. [2025-03-04 16:20:11,414 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4612 [2025-03-04 16:20:11,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4612 [2025-03-04 16:20:11,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4612 states and 6638 transitions. [2025-03-04 16:20:11,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:11,427 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4612 states and 6638 transitions. [2025-03-04 16:20:11,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states and 6638 transitions. [2025-03-04 16:20:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 4588. [2025-03-04 16:20:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4588 states, 4588 states have (on average 1.4415867480383608) internal successors, (6614), 4587 states have internal predecessors, (6614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 6614 transitions. [2025-03-04 16:20:11,499 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4588 states and 6614 transitions. [2025-03-04 16:20:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:11,500 INFO L432 stractBuchiCegarLoop]: Abstraction has 4588 states and 6614 transitions. [2025-03-04 16:20:11,500 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-03-04 16:20:11,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4588 states and 6614 transitions. [2025-03-04 16:20:11,515 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 4484 [2025-03-04 16:20:11,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:11,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:11,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:11,517 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:11,517 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume 1 == ~t3_pc~0;" "assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:11,517 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:11,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:11,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1455619987, now seen corresponding path program 1 times [2025-03-04 16:20:11,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:11,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953729930] [2025-03-04 16:20:11,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:11,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:11,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:11,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:11,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:11,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:11,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:11,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953729930] [2025-03-04 16:20:11,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953729930] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:11,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:11,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:11,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432171733] [2025-03-04 16:20:11,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:11,562 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:11,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:11,562 INFO L85 PathProgramCache]: Analyzing trace with hash -43587689, now seen corresponding path program 2 times [2025-03-04 16:20:11,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:11,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779261705] [2025-03-04 16:20:11,562 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:20:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:11,568 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:11,570 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:11,570 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:20:11,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:11,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:11,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:11,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779261705] [2025-03-04 16:20:11,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779261705] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:11,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:11,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:11,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098326271] [2025-03-04 16:20:11,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:11,589 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:11,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:11,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 16:20:11,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 16:20:11,591 INFO L87 Difference]: Start difference. First operand 4588 states and 6614 transitions. cyclomatic complexity: 2034 Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:11,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:11,730 INFO L93 Difference]: Finished difference Result 10443 states and 14947 transitions. [2025-03-04 16:20:11,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10443 states and 14947 transitions. [2025-03-04 16:20:11,774 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 10212 [2025-03-04 16:20:11,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10443 states to 10443 states and 14947 transitions. [2025-03-04 16:20:11,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10443 [2025-03-04 16:20:11,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10443 [2025-03-04 16:20:11,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10443 states and 14947 transitions. [2025-03-04 16:20:11,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:11,913 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10443 states and 14947 transitions. [2025-03-04 16:20:11,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states and 14947 transitions. [2025-03-04 16:20:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 8415. [2025-03-04 16:20:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8415 states, 8415 states have (on average 1.4382650029708852) internal successors, (12103), 8414 states have internal predecessors, (12103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8415 states to 8415 states and 12103 transitions. [2025-03-04 16:20:12,022 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8415 states and 12103 transitions. [2025-03-04 16:20:12,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 16:20:12,023 INFO L432 stractBuchiCegarLoop]: Abstraction has 8415 states and 12103 transitions. [2025-03-04 16:20:12,023 INFO L338 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-03-04 16:20:12,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8415 states and 12103 transitions. [2025-03-04 16:20:12,044 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8272 [2025-03-04 16:20:12,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:12,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:12,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:12,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:12,046 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume 1 == ~t4_pc~0;" "assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:12,046 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:12,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:12,046 INFO L85 PathProgramCache]: Analyzing trace with hash -429710224, now seen corresponding path program 1 times [2025-03-04 16:20:12,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:12,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998521269] [2025-03-04 16:20:12,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:12,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:12,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:12,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:12,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:12,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:12,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:12,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998521269] [2025-03-04 16:20:12,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998521269] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:12,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:12,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:20:12,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248968325] [2025-03-04 16:20:12,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:12,070 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:12,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash -43587689, now seen corresponding path program 3 times [2025-03-04 16:20:12,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:12,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476920665] [2025-03-04 16:20:12,070 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 16:20:12,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:12,075 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:12,077 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:12,077 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 16:20:12,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:12,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:12,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476920665] [2025-03-04 16:20:12,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476920665] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:12,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:12,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:12,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507728655] [2025-03-04 16:20:12,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:12,096 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:12,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:12,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:12,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:12,096 INFO L87 Difference]: Start difference. First operand 8415 states and 12103 transitions. cyclomatic complexity: 3696 Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:12,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:12,179 INFO L93 Difference]: Finished difference Result 15502 states and 22244 transitions. [2025-03-04 16:20:12,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15502 states and 22244 transitions. [2025-03-04 16:20:12,234 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 15216 [2025-03-04 16:20:12,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15502 states to 15502 states and 22244 transitions. [2025-03-04 16:20:12,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15502 [2025-03-04 16:20:12,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15502 [2025-03-04 16:20:12,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15502 states and 22244 transitions. [2025-03-04 16:20:12,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:12,313 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15502 states and 22244 transitions. [2025-03-04 16:20:12,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15502 states and 22244 transitions. [2025-03-04 16:20:12,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15502 to 15406. [2025-03-04 16:20:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15406 states, 15406 states have (on average 1.4376217058288978) internal successors, (22148), 15405 states have internal predecessors, (22148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15406 states to 15406 states and 22148 transitions. [2025-03-04 16:20:12,622 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15406 states and 22148 transitions. [2025-03-04 16:20:12,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:12,622 INFO L432 stractBuchiCegarLoop]: Abstraction has 15406 states and 22148 transitions. [2025-03-04 16:20:12,622 INFO L338 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-03-04 16:20:12,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15406 states and 22148 transitions. [2025-03-04 16:20:12,664 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 15120 [2025-03-04 16:20:12,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:12,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:12,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:12,666 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:12,666 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:12,666 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:12,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:12,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1944667827, now seen corresponding path program 1 times [2025-03-04 16:20:12,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:12,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049352439] [2025-03-04 16:20:12,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:12,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:12,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:12,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:12,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:12,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:12,676 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:12,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:12,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:12,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:12,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:12,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:12,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:12,707 INFO L85 PathProgramCache]: Analyzing trace with hash -43587689, now seen corresponding path program 4 times [2025-03-04 16:20:12,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:12,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433042933] [2025-03-04 16:20:12,707 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 16:20:12,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:12,716 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 74 statements into 2 equivalence classes. [2025-03-04 16:20:12,718 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:12,718 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-04 16:20:12,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:12,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:12,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433042933] [2025-03-04 16:20:12,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433042933] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:12,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:12,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:12,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016207457] [2025-03-04 16:20:12,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:12,735 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:12,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:12,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:12,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:12,735 INFO L87 Difference]: Start difference. First operand 15406 states and 22148 transitions. cyclomatic complexity: 6758 Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:12,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:12,804 INFO L93 Difference]: Finished difference Result 18231 states and 26105 transitions. [2025-03-04 16:20:12,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18231 states and 26105 transitions. [2025-03-04 16:20:12,931 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 17904 [2025-03-04 16:20:12,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18231 states to 18231 states and 26105 transitions. [2025-03-04 16:20:12,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18231 [2025-03-04 16:20:12,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18231 [2025-03-04 16:20:12,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18231 states and 26105 transitions. [2025-03-04 16:20:13,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:13,006 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18231 states and 26105 transitions. [2025-03-04 16:20:13,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18231 states and 26105 transitions. [2025-03-04 16:20:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18231 to 18231. [2025-03-04 16:20:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18231 states, 18231 states have (on average 1.4319017058855794) internal successors, (26105), 18230 states have internal predecessors, (26105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18231 states to 18231 states and 26105 transitions. [2025-03-04 16:20:13,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18231 states and 26105 transitions. [2025-03-04 16:20:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:13,273 INFO L432 stractBuchiCegarLoop]: Abstraction has 18231 states and 26105 transitions. [2025-03-04 16:20:13,273 INFO L338 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2025-03-04 16:20:13,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18231 states and 26105 transitions. [2025-03-04 16:20:13,326 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 17904 [2025-03-04 16:20:13,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:13,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:13,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:13,327 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:13,327 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume 0 == ~T2_E~0;~T2_E~0 := 1;" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume 1 == ~T2_E~0;~T2_E~0 := 2;" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:13,327 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume !(0 == ~T2_E~0);" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:13,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash -302304877, now seen corresponding path program 1 times [2025-03-04 16:20:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379928095] [2025-03-04 16:20:13,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:13,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:13,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:13,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:13,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:13,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:13,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379928095] [2025-03-04 16:20:13,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379928095] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:13,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:13,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:13,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187129478] [2025-03-04 16:20:13,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:13,364 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-04 16:20:13,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:13,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1851435210, now seen corresponding path program 1 times [2025-03-04 16:20:13,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:13,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077138911] [2025-03-04 16:20:13,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:13,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:13,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:13,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:13,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:13,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:13,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:13,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077138911] [2025-03-04 16:20:13,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077138911] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:13,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:13,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 16:20:13,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311287481] [2025-03-04 16:20:13,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:13,422 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:13,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:13,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 16:20:13,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 16:20:13,423 INFO L87 Difference]: Start difference. First operand 18231 states and 26105 transitions. cyclomatic complexity: 7890 Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:13,521 INFO L93 Difference]: Finished difference Result 22214 states and 31730 transitions. [2025-03-04 16:20:13,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22214 states and 31730 transitions. [2025-03-04 16:20:13,613 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 21808 [2025-03-04 16:20:13,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22214 states to 22214 states and 31730 transitions. [2025-03-04 16:20:13,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22214 [2025-03-04 16:20:13,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22214 [2025-03-04 16:20:13,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22214 states and 31730 transitions. [2025-03-04 16:20:13,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:13,724 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22214 states and 31730 transitions. [2025-03-04 16:20:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22214 states and 31730 transitions. [2025-03-04 16:20:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22214 to 15406. [2025-03-04 16:20:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15406 states, 15406 states have (on average 1.4334025704271063) internal successors, (22083), 15405 states have internal predecessors, (22083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15406 states to 15406 states and 22083 transitions. [2025-03-04 16:20:14,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15406 states and 22083 transitions. [2025-03-04 16:20:14,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 16:20:14,079 INFO L432 stractBuchiCegarLoop]: Abstraction has 15406 states and 22083 transitions. [2025-03-04 16:20:14,079 INFO L338 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2025-03-04 16:20:14,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15406 states and 22083 transitions. [2025-03-04 16:20:14,116 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 15120 [2025-03-04 16:20:14,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:14,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:14,118 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:14,118 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:14,118 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:14,118 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume !(0 == ~T2_E~0);" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:14,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:14,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1944667827, now seen corresponding path program 2 times [2025-03-04 16:20:14,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:14,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152878177] [2025-03-04 16:20:14,123 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:20:14,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:14,128 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:14,130 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:14,130 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:20:14,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:14,130 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:14,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:14,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:14,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:14,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:14,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:14,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:14,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1851435210, now seen corresponding path program 2 times [2025-03-04 16:20:14,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:14,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82068056] [2025-03-04 16:20:14,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:20:14,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:14,150 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 74 statements into 1 equivalence classes. [2025-03-04 16:20:14,153 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 16:20:14,153 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:20:14,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:14,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:14,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82068056] [2025-03-04 16:20:14,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82068056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:14,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:14,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 16:20:14,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493499503] [2025-03-04 16:20:14,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:14,189 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:14,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:14,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 16:20:14,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 16:20:14,190 INFO L87 Difference]: Start difference. First operand 15406 states and 22083 transitions. cyclomatic complexity: 6693 Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:14,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:14,335 INFO L93 Difference]: Finished difference Result 15854 states and 22531 transitions. [2025-03-04 16:20:14,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15854 states and 22531 transitions. [2025-03-04 16:20:14,390 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 15568 [2025-03-04 16:20:14,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15854 states to 15854 states and 22531 transitions. [2025-03-04 16:20:14,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15854 [2025-03-04 16:20:14,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15854 [2025-03-04 16:20:14,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15854 states and 22531 transitions. [2025-03-04 16:20:14,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:14,454 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15854 states and 22531 transitions. [2025-03-04 16:20:14,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15854 states and 22531 transitions. [2025-03-04 16:20:14,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15854 to 15598. [2025-03-04 16:20:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15598 states, 15598 states have (on average 1.428067700987306) internal successors, (22275), 15597 states have internal predecessors, (22275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15598 states to 15598 states and 22275 transitions. [2025-03-04 16:20:14,602 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15598 states and 22275 transitions. [2025-03-04 16:20:14,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 16:20:14,603 INFO L432 stractBuchiCegarLoop]: Abstraction has 15598 states and 22275 transitions. [2025-03-04 16:20:14,603 INFO L338 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2025-03-04 16:20:14,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15598 states and 22275 transitions. [2025-03-04 16:20:14,639 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 15312 [2025-03-04 16:20:14,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:14,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:14,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:14,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:14,641 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:14,641 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume !(0 == ~m_st~0);" "assume !(0 == ~t1_st~0);" "assume !(0 == ~t2_st~0);" "assume !(0 == ~t3_st~0);" "assume !(0 == ~t4_st~0);exists_runnable_thread_~__retres1~5#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume !(0 == ~T2_E~0);" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0;" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:14,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1944667827, now seen corresponding path program 3 times [2025-03-04 16:20:14,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:14,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53369995] [2025-03-04 16:20:14,642 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 16:20:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:14,646 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:14,648 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:14,648 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 16:20:14,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:14,648 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:14,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:14,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:14,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:14,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:14,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:14,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:14,658 INFO L85 PathProgramCache]: Analyzing trace with hash -441026074, now seen corresponding path program 1 times [2025-03-04 16:20:14,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:14,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844666852] [2025-03-04 16:20:14,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:14,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:14,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-04 16:20:14,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-04 16:20:14,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:14,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:14,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:14,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844666852] [2025-03-04 16:20:14,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844666852] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:14,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:14,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 16:20:14,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289461713] [2025-03-04 16:20:14,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:14,708 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:14,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:14,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 16:20:14,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 16:20:14,708 INFO L87 Difference]: Start difference. First operand 15598 states and 22275 transitions. cyclomatic complexity: 6693 Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:14,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:14,921 INFO L93 Difference]: Finished difference Result 16030 states and 22594 transitions. [2025-03-04 16:20:14,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16030 states and 22594 transitions. [2025-03-04 16:20:14,977 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 15744 [2025-03-04 16:20:15,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16030 states to 16030 states and 22594 transitions. [2025-03-04 16:20:15,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16030 [2025-03-04 16:20:15,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16030 [2025-03-04 16:20:15,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16030 states and 22594 transitions. [2025-03-04 16:20:15,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:15,043 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16030 states and 22594 transitions. [2025-03-04 16:20:15,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16030 states and 22594 transitions. [2025-03-04 16:20:15,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16030 to 16030. [2025-03-04 16:20:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16030 states, 16030 states have (on average 1.4094822208359326) internal successors, (22594), 16029 states have internal predecessors, (22594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16030 states to 16030 states and 22594 transitions. [2025-03-04 16:20:15,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16030 states and 22594 transitions. [2025-03-04 16:20:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 16:20:15,185 INFO L432 stractBuchiCegarLoop]: Abstraction has 16030 states and 22594 transitions. [2025-03-04 16:20:15,185 INFO L338 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2025-03-04 16:20:15,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16030 states and 22594 transitions. [2025-03-04 16:20:15,296 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 15744 [2025-03-04 16:20:15,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:15,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:15,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:15,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:15,297 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" [2025-03-04 16:20:15,298 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume !(0 == ~m_st~0);" "assume !(0 == ~t1_st~0);" "assume !(0 == ~t2_st~0);" "assume !(0 == ~t3_st~0);" "assume !(0 == ~t4_st~0);exists_runnable_thread_~__retres1~5#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume 0 == ~T1_E~0;~T1_E~0 := 1;" "assume !(0 == ~T2_E~0);" "assume 0 == ~T3_E~0;~T3_E~0 := 1;" "assume 0 == ~T4_E~0;~T4_E~0 := 1;" "assume 0 == ~E_M~0;~E_M~0 := 1;" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume !(0 == ~E_3~0);" "assume 0 == ~E_4~0;~E_4~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0;" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0;" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0;" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume 1 == ~T1_E~0;~T1_E~0 := 2;" "assume !(1 == ~T2_E~0);" "assume 1 == ~T3_E~0;~T3_E~0 := 2;" "assume 1 == ~T4_E~0;~T4_E~0 := 2;" "assume 1 == ~E_M~0;~E_M~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 2;" "assume 1 == ~E_3~0;~E_3~0 := 2;" "assume 1 == ~E_4~0;~E_4~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "start_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret17#1;havoc start_simulation_#t~ret17#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "stop_simulation_#t~ret16#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret16#1;havoc stop_simulation_#t~ret16#1;" "assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret18#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret16#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-03-04 16:20:15,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:15,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1944667827, now seen corresponding path program 4 times [2025-03-04 16:20:15,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:15,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081880802] [2025-03-04 16:20:15,298 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 16:20:15,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:15,304 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 62 statements into 2 equivalence classes. [2025-03-04 16:20:15,307 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:15,307 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 16:20:15,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:15,308 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:15,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-04 16:20:15,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-04 16:20:15,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:15,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:15,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:15,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash -448785433, now seen corresponding path program 1 times [2025-03-04 16:20:15,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:15,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045723608] [2025-03-04 16:20:15,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:15,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:15,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-04 16:20:15,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-04 16:20:15,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:15,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:15,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:15,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045723608] [2025-03-04 16:20:15,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045723608] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:15,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:15,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:15,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772978412] [2025-03-04 16:20:15,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:15,351 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-04 16:20:15,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:15,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:15,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:15,352 INFO L87 Difference]: Start difference. First operand 16030 states and 22594 transitions. cyclomatic complexity: 6580 Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:15,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:15,442 INFO L93 Difference]: Finished difference Result 24712 states and 34212 transitions. [2025-03-04 16:20:15,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24712 states and 34212 transitions. [2025-03-04 16:20:15,550 INFO L131 ngComponentsAnalysis]: Automaton has 25 accepting balls. 24334 [2025-03-04 16:20:15,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24712 states to 24712 states and 34212 transitions. [2025-03-04 16:20:15,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24712 [2025-03-04 16:20:15,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24712 [2025-03-04 16:20:15,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24712 states and 34212 transitions. [2025-03-04 16:20:15,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:15,680 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24712 states and 34212 transitions. [2025-03-04 16:20:15,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24712 states and 34212 transitions. [2025-03-04 16:20:15,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24712 to 23816. [2025-03-04 16:20:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23816 states, 23816 states have (on average 1.3881424252603292) internal successors, (33060), 23815 states have internal predecessors, (33060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23816 states to 23816 states and 33060 transitions. [2025-03-04 16:20:15,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23816 states and 33060 transitions. [2025-03-04 16:20:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:15,964 INFO L432 stractBuchiCegarLoop]: Abstraction has 23816 states and 33060 transitions. [2025-03-04 16:20:15,964 INFO L338 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2025-03-04 16:20:15,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23816 states and 33060 transitions. [2025-03-04 16:20:16,074 INFO L131 ngComponentsAnalysis]: Automaton has 25 accepting balls. 23438 [2025-03-04 16:20:16,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:16,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:16,075 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:16,075 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:16,075 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-03-04 16:20:16,075 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet6#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp_ndt_1~0#1);" "havoc eval_~tmp_ndt_1~0#1;" "assume !(0 == ~t1_st~0);" "assume !(0 == ~t2_st~0);" "assume !(0 == ~t3_st~0);" "assume !(0 == ~t4_st~0);" [2025-03-04 16:20:16,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:16,075 INFO L85 PathProgramCache]: Analyzing trace with hash 515030194, now seen corresponding path program 1 times [2025-03-04 16:20:16,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:16,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245525350] [2025-03-04 16:20:16,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:16,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:16,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:16,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:16,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,083 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:16,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:16,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:16,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:16,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1424861510, now seen corresponding path program 1 times [2025-03-04 16:20:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:16,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424380438] [2025-03-04 16:20:16,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:16,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:16,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 16:20:16,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 16:20:16,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,102 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:16,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 16:20:16,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 16:20:16,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:16,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:16,105 INFO L85 PathProgramCache]: Analyzing trace with hash 837080117, now seen corresponding path program 1 times [2025-03-04 16:20:16,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:16,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135468026] [2025-03-04 16:20:16,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:16,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:16,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 16:20:16,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 16:20:16,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:16,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:16,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135468026] [2025-03-04 16:20:16,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135468026] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:16,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:16,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144694132] [2025-03-04 16:20:16,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:16,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:16,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:16,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:16,200 INFO L87 Difference]: Start difference. First operand 23816 states and 33060 transitions. cyclomatic complexity: 9269 Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:16,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:16,286 INFO L93 Difference]: Finished difference Result 26957 states and 36839 transitions. [2025-03-04 16:20:16,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26957 states and 36839 transitions. [2025-03-04 16:20:16,384 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 26544 [2025-03-04 16:20:16,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26957 states to 26957 states and 36839 transitions. [2025-03-04 16:20:16,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26957 [2025-03-04 16:20:16,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26957 [2025-03-04 16:20:16,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26957 states and 36839 transitions. [2025-03-04 16:20:16,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:16,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26957 states and 36839 transitions. [2025-03-04 16:20:16,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26957 states and 36839 transitions. [2025-03-04 16:20:16,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26957 to 25641. [2025-03-04 16:20:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25641 states, 25641 states have (on average 1.3722943722943723) internal successors, (35187), 25640 states have internal predecessors, (35187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25641 states to 25641 states and 35187 transitions. [2025-03-04 16:20:16,745 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25641 states and 35187 transitions. [2025-03-04 16:20:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:16,745 INFO L432 stractBuchiCegarLoop]: Abstraction has 25641 states and 35187 transitions. [2025-03-04 16:20:16,746 INFO L338 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2025-03-04 16:20:16,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25641 states and 35187 transitions. [2025-03-04 16:20:16,824 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 25228 [2025-03-04 16:20:16,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:16,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:16,825 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:16,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:16,825 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-03-04 16:20:16,825 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet6#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp_ndt_1~0#1);" "havoc eval_~tmp_ndt_1~0#1;" "assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0#1;havoc eval_#t~nondet7#1;eval_~tmp_ndt_2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1;" "assume !(0 != eval_~tmp_ndt_2~0#1);" "havoc eval_~tmp_ndt_2~0#1;" "assume !(0 == ~t2_st~0);" "assume !(0 == ~t3_st~0);" "assume !(0 == ~t4_st~0);" [2025-03-04 16:20:16,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:16,826 INFO L85 PathProgramCache]: Analyzing trace with hash 515030194, now seen corresponding path program 2 times [2025-03-04 16:20:16,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:16,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399515075] [2025-03-04 16:20:16,826 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 16:20:16,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:16,832 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:16,836 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:16,837 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:20:16,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,837 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:16,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:16,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:16,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:16,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:16,854 INFO L85 PathProgramCache]: Analyzing trace with hash -754760330, now seen corresponding path program 1 times [2025-03-04 16:20:16,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:16,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850570495] [2025-03-04 16:20:16,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:16,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:20:16,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:20:16,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,858 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:16,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 16:20:16,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 16:20:16,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:16,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:16,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:16,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1323004069, now seen corresponding path program 1 times [2025-03-04 16:20:16,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:16,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282522870] [2025-03-04 16:20:16,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:16,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:16,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-04 16:20:16,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-04 16:20:16,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:16,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:16,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:16,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282522870] [2025-03-04 16:20:16,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282522870] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:16,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:16,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:16,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796475591] [2025-03-04 16:20:16,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:16,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:16,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:16,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:16,946 INFO L87 Difference]: Start difference. First operand 25641 states and 35187 transitions. cyclomatic complexity: 9572 Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:17,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:17,050 INFO L93 Difference]: Finished difference Result 30401 states and 41300 transitions. [2025-03-04 16:20:17,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30401 states and 41300 transitions. [2025-03-04 16:20:17,179 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 29908 [2025-03-04 16:20:17,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30401 states to 30401 states and 41300 transitions. [2025-03-04 16:20:17,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30401 [2025-03-04 16:20:17,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30401 [2025-03-04 16:20:17,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30401 states and 41300 transitions. [2025-03-04 16:20:17,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:17,327 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30401 states and 41300 transitions. [2025-03-04 16:20:17,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30401 states and 41300 transitions. [2025-03-04 16:20:17,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30401 to 29177. [2025-03-04 16:20:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29177 states, 29177 states have (on average 1.3636768687664942) internal successors, (39788), 29176 states have internal predecessors, (39788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:17,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29177 states to 29177 states and 39788 transitions. [2025-03-04 16:20:17,663 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29177 states and 39788 transitions. [2025-03-04 16:20:17,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:17,665 INFO L432 stractBuchiCegarLoop]: Abstraction has 29177 states and 39788 transitions. [2025-03-04 16:20:17,665 INFO L338 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2025-03-04 16:20:17,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29177 states and 39788 transitions. [2025-03-04 16:20:17,750 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 28684 [2025-03-04 16:20:17,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:17,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:17,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:17,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:17,751 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-03-04 16:20:17,751 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet6#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp_ndt_1~0#1);" "havoc eval_~tmp_ndt_1~0#1;" "assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0#1;havoc eval_#t~nondet7#1;eval_~tmp_ndt_2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1;" "assume !(0 != eval_~tmp_ndt_2~0#1);" "havoc eval_~tmp_ndt_2~0#1;" "assume 0 == ~t2_st~0;havoc eval_~tmp_ndt_3~0#1;havoc eval_#t~nondet8#1;eval_~tmp_ndt_3~0#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1;" "assume !(0 != eval_~tmp_ndt_3~0#1);" "havoc eval_~tmp_ndt_3~0#1;" "assume !(0 == ~t3_st~0);" "assume !(0 == ~t4_st~0);" [2025-03-04 16:20:17,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:17,752 INFO L85 PathProgramCache]: Analyzing trace with hash 515030194, now seen corresponding path program 3 times [2025-03-04 16:20:17,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:17,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898637272] [2025-03-04 16:20:17,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 16:20:17,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:17,757 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:17,760 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:17,760 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 16:20:17,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:17,760 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:17,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:17,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:17,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:17,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:17,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:17,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:17,771 INFO L85 PathProgramCache]: Analyzing trace with hash 526348614, now seen corresponding path program 1 times [2025-03-04 16:20:17,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:17,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591011044] [2025-03-04 16:20:17,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:17,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:17,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 16:20:17,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 16:20:17,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:17,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:17,774 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:17,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-04 16:20:17,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-04 16:20:17,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:17,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:17,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:17,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:17,777 INFO L85 PathProgramCache]: Analyzing trace with hash 98143413, now seen corresponding path program 1 times [2025-03-04 16:20:17,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:17,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024208501] [2025-03-04 16:20:17,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:17,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 16:20:17,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 16:20:17,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:17,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:17,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:17,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024208501] [2025-03-04 16:20:17,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024208501] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:17,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:17,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 16:20:17,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346094234] [2025-03-04 16:20:17,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:17,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:17,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:17,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:17,859 INFO L87 Difference]: Start difference. First operand 29177 states and 39788 transitions. cyclomatic complexity: 10637 Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:18,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:18,018 INFO L93 Difference]: Finished difference Result 53063 states and 71988 transitions. [2025-03-04 16:20:18,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53063 states and 71988 transitions. [2025-03-04 16:20:18,255 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 52179 [2025-03-04 16:20:18,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53063 states to 53063 states and 71988 transitions. [2025-03-04 16:20:18,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53063 [2025-03-04 16:20:18,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53063 [2025-03-04 16:20:18,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53063 states and 71988 transitions. [2025-03-04 16:20:18,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:18,519 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53063 states and 71988 transitions. [2025-03-04 16:20:18,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53063 states and 71988 transitions. [2025-03-04 16:20:18,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53063 to 52055. [2025-03-04 16:20:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52055 states, 52055 states have (on average 1.3598693689367016) internal successors, (70788), 52054 states have internal predecessors, (70788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52055 states to 52055 states and 70788 transitions. [2025-03-04 16:20:19,117 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52055 states and 70788 transitions. [2025-03-04 16:20:19,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:19,118 INFO L432 stractBuchiCegarLoop]: Abstraction has 52055 states and 70788 transitions. [2025-03-04 16:20:19,118 INFO L338 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2025-03-04 16:20:19,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52055 states and 70788 transitions. [2025-03-04 16:20:19,354 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 51171 [2025-03-04 16:20:19,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:19,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:19,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:19,355 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:19,355 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-03-04 16:20:19,355 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet6#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp_ndt_1~0#1);" "havoc eval_~tmp_ndt_1~0#1;" "assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0#1;havoc eval_#t~nondet7#1;eval_~tmp_ndt_2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1;" "assume !(0 != eval_~tmp_ndt_2~0#1);" "havoc eval_~tmp_ndt_2~0#1;" "assume 0 == ~t2_st~0;havoc eval_~tmp_ndt_3~0#1;havoc eval_#t~nondet8#1;eval_~tmp_ndt_3~0#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1;" "assume !(0 != eval_~tmp_ndt_3~0#1);" "havoc eval_~tmp_ndt_3~0#1;" "assume 0 == ~t3_st~0;havoc eval_~tmp_ndt_4~0#1;havoc eval_#t~nondet9#1;eval_~tmp_ndt_4~0#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1;" "assume !(0 != eval_~tmp_ndt_4~0#1);" "havoc eval_~tmp_ndt_4~0#1;" "assume !(0 == ~t4_st~0);" [2025-03-04 16:20:19,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:19,355 INFO L85 PathProgramCache]: Analyzing trace with hash 515030194, now seen corresponding path program 4 times [2025-03-04 16:20:19,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:19,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312911374] [2025-03-04 16:20:19,356 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-04 16:20:19,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:19,360 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 64 statements into 2 equivalence classes. [2025-03-04 16:20:19,363 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:19,363 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-04 16:20:19,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:19,363 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:19,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:19,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:19,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:19,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:19,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:19,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:19,371 INFO L85 PathProgramCache]: Analyzing trace with hash -985065098, now seen corresponding path program 1 times [2025-03-04 16:20:19,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:19,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374620979] [2025-03-04 16:20:19,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:19,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 16:20:19,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 16:20:19,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:19,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:19,375 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:19,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 16:20:19,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 16:20:19,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:19,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:19,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:19,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:19,378 INFO L85 PathProgramCache]: Analyzing trace with hash -173402843, now seen corresponding path program 1 times [2025-03-04 16:20:19,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:19,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706627383] [2025-03-04 16:20:19,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:19,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 16:20:19,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 16:20:19,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:19,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 16:20:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 16:20:19,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 16:20:19,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706627383] [2025-03-04 16:20:19,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706627383] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 16:20:19,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 16:20:19,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 16:20:19,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422497758] [2025-03-04 16:20:19,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 16:20:19,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 16:20:19,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 16:20:19,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 16:20:19,461 INFO L87 Difference]: Start difference. First operand 52055 states and 70788 transitions. cyclomatic complexity: 18759 Second operand has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:19,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 16:20:19,609 INFO L93 Difference]: Finished difference Result 61881 states and 83344 transitions. [2025-03-04 16:20:19,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61881 states and 83344 transitions. [2025-03-04 16:20:19,818 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 60877 [2025-03-04 16:20:19,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61881 states to 61881 states and 83344 transitions. [2025-03-04 16:20:19,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61881 [2025-03-04 16:20:20,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61881 [2025-03-04 16:20:20,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61881 states and 83344 transitions. [2025-03-04 16:20:20,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-04 16:20:20,043 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61881 states and 83344 transitions. [2025-03-04 16:20:20,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61881 states and 83344 transitions. [2025-03-04 16:20:20,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61881 to 61113. [2025-03-04 16:20:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61113 states, 61113 states have (on average 1.35120187194214) internal successors, (82576), 61112 states have internal predecessors, (82576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 16:20:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61113 states to 61113 states and 82576 transitions. [2025-03-04 16:20:20,580 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61113 states and 82576 transitions. [2025-03-04 16:20:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 16:20:20,581 INFO L432 stractBuchiCegarLoop]: Abstraction has 61113 states and 82576 transitions. [2025-03-04 16:20:20,581 INFO L338 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2025-03-04 16:20:20,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61113 states and 82576 transitions. [2025-03-04 16:20:20,742 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 60109 [2025-03-04 16:20:20,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-04 16:20:20,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-04 16:20:20,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:20,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 16:20:20,744 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret17#1, start_simulation_#t~ret18#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~m_i~0;~m_st~0 := 0;" "assume 1 == ~t1_i~0;~t1_st~0 := 0;" "assume 1 == ~t2_i~0;~t2_st~0 := 0;" "assume 1 == ~t3_i~0;~t3_st~0 := 0;" "assume 1 == ~t4_i~0;~t4_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~M_E~0);" "assume !(0 == ~T1_E~0);" "assume !(0 == ~T2_E~0);" "assume !(0 == ~T3_E~0);" "assume !(0 == ~T4_E~0);" "assume !(0 == ~E_M~0);" "assume !(0 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume !(0 == ~E_3~0);" "assume !(0 == ~E_4~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1;" "assume !(1 == ~m_pc~0);" "is_master_triggered_~__retres1~0#1 := 0;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret11#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1;" "assume !(1 == ~t1_pc~0);" "is_transmit1_triggered_~__retres1~1#1 := 0;" "is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1;" "activate_threads_#t~ret12#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret12#1;havoc activate_threads_#t~ret12#1;" "assume !(0 != activate_threads_~tmp___0~0#1);" "assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1;" "assume !(1 == ~t2_pc~0);" "is_transmit2_triggered_~__retres1~2#1 := 0;" "is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1;" "activate_threads_#t~ret13#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret13#1;havoc activate_threads_#t~ret13#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1;" "assume !(1 == ~t3_pc~0);" "is_transmit3_triggered_~__retres1~3#1 := 0;" "is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1;" "activate_threads_#t~ret14#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret14#1;havoc activate_threads_#t~ret14#1;" "assume !(0 != activate_threads_~tmp___2~0#1);" "assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1;" "assume !(1 == ~t4_pc~0);" "is_transmit4_triggered_~__retres1~4#1 := 0;" "is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1;" "activate_threads_#t~ret15#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1;" "assume !(0 != activate_threads_~tmp___3~0#1);" "havoc activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~M_E~0);" "assume !(1 == ~T1_E~0);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~T3_E~0);" "assume !(1 == ~T4_E~0);" "assume !(1 == ~E_M~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume !(1 == ~E_3~0);" "assume !(1 == ~E_4~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-03-04 16:20:20,744 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1;" "eval_#t~ret5#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret5#1;havoc eval_#t~ret5#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet6#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp_ndt_1~0#1);" "havoc eval_~tmp_ndt_1~0#1;" "assume 0 == ~t1_st~0;havoc eval_~tmp_ndt_2~0#1;havoc eval_#t~nondet7#1;eval_~tmp_ndt_2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1;" "assume !(0 != eval_~tmp_ndt_2~0#1);" "havoc eval_~tmp_ndt_2~0#1;" "assume 0 == ~t2_st~0;havoc eval_~tmp_ndt_3~0#1;havoc eval_#t~nondet8#1;eval_~tmp_ndt_3~0#1 := eval_#t~nondet8#1;havoc eval_#t~nondet8#1;" "assume !(0 != eval_~tmp_ndt_3~0#1);" "havoc eval_~tmp_ndt_3~0#1;" "assume 0 == ~t3_st~0;havoc eval_~tmp_ndt_4~0#1;havoc eval_#t~nondet9#1;eval_~tmp_ndt_4~0#1 := eval_#t~nondet9#1;havoc eval_#t~nondet9#1;" "assume !(0 != eval_~tmp_ndt_4~0#1);" "havoc eval_~tmp_ndt_4~0#1;" "assume 0 == ~t4_st~0;havoc eval_~tmp_ndt_5~0#1;havoc eval_#t~nondet10#1;eval_~tmp_ndt_5~0#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume !(0 != eval_~tmp_ndt_5~0#1);" "havoc eval_~tmp_ndt_5~0#1;" [2025-03-04 16:20:20,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:20,745 INFO L85 PathProgramCache]: Analyzing trace with hash 515030194, now seen corresponding path program 5 times [2025-03-04 16:20:20,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690712660] [2025-03-04 16:20:20,745 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-04 16:20:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:20,750 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:20,752 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:20,752 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 16:20:20,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:20,752 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:20,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:20,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:20,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:20,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:20,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:20,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:20,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1754744506, now seen corresponding path program 1 times [2025-03-04 16:20:20,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:20,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034915243] [2025-03-04 16:20:20,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:20,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:20,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 16:20:20,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 16:20:20,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:20,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:20,766 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:20,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 16:20:20,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 16:20:20,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:20,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:20,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:20,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 16:20:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash 863601973, now seen corresponding path program 1 times [2025-03-04 16:20:20,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 16:20:20,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758205651] [2025-03-04 16:20:20,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 16:20:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 16:20:20,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 16:20:20,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 16:20:20,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:20,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:20,776 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:20,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 16:20:20,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 16:20:20,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:20,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:20,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 16:20:21,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:21,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:21,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:21,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:21,587 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 16:20:21,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 16:20:21,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 16:20:21,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 16:20:21,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 16:20:21,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 04.03 04:20:21 BoogieIcfgContainer [2025-03-04 16:20:21,728 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-04 16:20:21,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 16:20:21,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 16:20:21,728 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 16:20:21,729 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:20:09" (3/4) ... [2025-03-04 16:20:21,730 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-04 16:20:21,812 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 16:20:21,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 16:20:21,814 INFO L158 Benchmark]: Toolchain (without parser) took 13713.22ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 106.8MB in the beginning and 721.6MB in the end (delta: -614.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2025-03-04 16:20:21,814 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:20:21,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.83ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 91.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:20:21,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.62ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 87.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 16:20:21,815 INFO L158 Benchmark]: Boogie Preprocessor took 59.60ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.9MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 16:20:21,815 INFO L158 Benchmark]: IcfgBuilder took 894.62ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 94.2MB in the end (delta: -10.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2025-03-04 16:20:21,816 INFO L158 Benchmark]: BuchiAutomizer took 12379.45ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 94.2MB in the beginning and 734.1MB in the end (delta: -639.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2025-03-04 16:20:21,816 INFO L158 Benchmark]: Witness Printer took 84.13ms. Allocated memory is still 2.0GB. Free memory was 734.1MB in the beginning and 721.6MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 16:20:21,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.83ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 91.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.62ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 87.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.60ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.9MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 894.62ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 94.2MB in the end (delta: -10.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 12379.45ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 94.2MB in the beginning and 734.1MB in the end (delta: -639.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 84.13ms. Allocated memory is still 2.0GB. Free memory was 734.1MB in the beginning and 721.6MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 21 terminating modules (21 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.21 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 61113 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.2s and 22 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.5s. Büchi inclusion checks took 7.6s. Highest rank in rank-based complementation 0. Minimization of det autom 21. Minimization of nondet autom 0. Automata minimization 3.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 14791 StatesRemovedByMinimization, 13 NontrivialMinimizations. Non-live state removal took 2.3s Buchi closure took 0.2s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11882 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11882 mSDsluCounter, 25681 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11497 mSDsCounter, 211 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 551 IncrementalHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 211 mSolverCounterUnsat, 14184 mSDtfsCounter, 551 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc4 concLT0 SILN0 SILU0 SILI13 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 423]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L24] int m_pc = 0; [L25] int t1_pc = 0; [L26] int t2_pc = 0; [L27] int t3_pc = 0; [L28] int t4_pc = 0; [L29] int m_st ; [L30] int t1_st ; [L31] int t2_st ; [L32] int t3_st ; [L33] int t4_st ; [L34] int m_i ; [L35] int t1_i ; [L36] int t2_i ; [L37] int t3_i ; [L38] int t4_i ; [L39] int M_E = 2; [L40] int T1_E = 2; [L41] int T2_E = 2; [L42] int T3_E = 2; [L43] int T4_E = 2; [L44] int E_M = 2; [L45] int E_1 = 2; [L46] int E_2 = 2; [L47] int E_3 = 2; [L48] int E_4 = 2; [L55] int token ; [L57] int local ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=0, m_pc=0, m_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L848] int __retres1 ; [L852] CALL init_model() [L760] m_i = 1 [L761] t1_i = 1 [L762] t2_i = 1 [L763] t3_i = 1 [L764] t4_i = 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L852] RET init_model() [L853] CALL start_simulation() [L789] int kernel_st ; [L790] int tmp ; [L791] int tmp___0 ; [L795] kernel_st = 0 [L796] FCALL update_channels() [L797] CALL init_threads() [L353] COND TRUE m_i == 1 [L354] m_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L358] COND TRUE t1_i == 1 [L359] t1_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L363] COND TRUE t2_i == 1 [L364] t2_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L368] COND TRUE t3_i == 1 [L369] t3_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L373] COND TRUE t4_i == 1 [L374] t4_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L797] RET init_threads() [L798] CALL fire_delta_events() [L514] COND FALSE !(M_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L519] COND FALSE !(T1_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L524] COND FALSE !(T2_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L529] COND FALSE !(T3_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L534] COND FALSE !(T4_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L539] COND FALSE !(E_M == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L544] COND FALSE !(E_1 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L549] COND FALSE !(E_2 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L554] COND FALSE !(E_3 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L559] COND FALSE !(E_4 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L798] RET fire_delta_events() [L799] CALL activate_threads() [L627] int tmp ; [L628] int tmp___0 ; [L629] int tmp___1 ; [L630] int tmp___2 ; [L631] int tmp___3 ; [L635] CALL, EXPR is_master_triggered() [L247] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L250] COND FALSE !(m_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L260] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L262] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L635] RET, EXPR is_master_triggered() [L635] tmp = is_master_triggered() [L637] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L643] CALL, EXPR is_transmit1_triggered() [L266] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L269] COND FALSE !(t1_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L279] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L281] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L643] RET, EXPR is_transmit1_triggered() [L643] tmp___0 = is_transmit1_triggered() [L645] COND FALSE !(\read(tmp___0)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L651] CALL, EXPR is_transmit2_triggered() [L285] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L288] COND FALSE !(t2_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L298] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L300] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L651] RET, EXPR is_transmit2_triggered() [L651] tmp___1 = is_transmit2_triggered() [L653] COND FALSE !(\read(tmp___1)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L659] CALL, EXPR is_transmit3_triggered() [L304] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L307] COND FALSE !(t3_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L317] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L319] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L659] RET, EXPR is_transmit3_triggered() [L659] tmp___2 = is_transmit3_triggered() [L661] COND FALSE !(\read(tmp___2)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L667] CALL, EXPR is_transmit4_triggered() [L323] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L326] COND FALSE !(t4_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L336] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L338] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L667] RET, EXPR is_transmit4_triggered() [L667] tmp___3 = is_transmit4_triggered() [L669] COND FALSE !(\read(tmp___3)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L799] RET activate_threads() [L800] CALL reset_delta_events() [L572] COND FALSE !(M_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L577] COND FALSE !(T1_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L582] COND FALSE !(T2_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L587] COND FALSE !(T3_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L592] COND FALSE !(T4_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L597] COND FALSE !(E_M == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L602] COND FALSE !(E_1 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L607] COND FALSE !(E_2 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L612] COND FALSE !(E_3 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L617] COND FALSE !(E_4 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L800] RET reset_delta_events() [L803] COND TRUE 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L806] kernel_st = 1 [L807] CALL eval() [L419] int tmp ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] Loop: [L423] COND TRUE 1 [L426] CALL, EXPR exists_runnable_thread() [L383] int __retres1 ; [L386] COND TRUE m_st == 0 [L387] __retres1 = 1 [L414] return (__retres1); [L426] RET, EXPR exists_runnable_thread() [L426] tmp = exists_runnable_thread() [L428] COND TRUE \read(tmp) [L433] COND TRUE m_st == 0 [L434] int tmp_ndt_1; [L435] tmp_ndt_1 = __VERIFIER_nondet_int() [L436] COND FALSE !(\read(tmp_ndt_1)) [L447] COND TRUE t1_st == 0 [L448] int tmp_ndt_2; [L449] tmp_ndt_2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp_ndt_2)) [L461] COND TRUE t2_st == 0 [L462] int tmp_ndt_3; [L463] tmp_ndt_3 = __VERIFIER_nondet_int() [L464] COND FALSE !(\read(tmp_ndt_3)) [L475] COND TRUE t3_st == 0 [L476] int tmp_ndt_4; [L477] tmp_ndt_4 = __VERIFIER_nondet_int() [L478] COND FALSE !(\read(tmp_ndt_4)) [L489] COND TRUE t4_st == 0 [L490] int tmp_ndt_5; [L491] tmp_ndt_5 = __VERIFIER_nondet_int() [L492] COND FALSE !(\read(tmp_ndt_5)) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 423]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L24] int m_pc = 0; [L25] int t1_pc = 0; [L26] int t2_pc = 0; [L27] int t3_pc = 0; [L28] int t4_pc = 0; [L29] int m_st ; [L30] int t1_st ; [L31] int t2_st ; [L32] int t3_st ; [L33] int t4_st ; [L34] int m_i ; [L35] int t1_i ; [L36] int t2_i ; [L37] int t3_i ; [L38] int t4_i ; [L39] int M_E = 2; [L40] int T1_E = 2; [L41] int T2_E = 2; [L42] int T3_E = 2; [L43] int T4_E = 2; [L44] int E_M = 2; [L45] int E_1 = 2; [L46] int E_2 = 2; [L47] int E_3 = 2; [L48] int E_4 = 2; [L55] int token ; [L57] int local ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=0, m_pc=0, m_st=0, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, token=0] [L848] int __retres1 ; [L852] CALL init_model() [L760] m_i = 1 [L761] t1_i = 1 [L762] t2_i = 1 [L763] t3_i = 1 [L764] t4_i = 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L852] RET init_model() [L853] CALL start_simulation() [L789] int kernel_st ; [L790] int tmp ; [L791] int tmp___0 ; [L795] kernel_st = 0 [L796] FCALL update_channels() [L797] CALL init_threads() [L353] COND TRUE m_i == 1 [L354] m_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L358] COND TRUE t1_i == 1 [L359] t1_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L363] COND TRUE t2_i == 1 [L364] t2_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L368] COND TRUE t3_i == 1 [L369] t3_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L373] COND TRUE t4_i == 1 [L374] t4_st = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L797] RET init_threads() [L798] CALL fire_delta_events() [L514] COND FALSE !(M_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L519] COND FALSE !(T1_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L524] COND FALSE !(T2_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L529] COND FALSE !(T3_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L534] COND FALSE !(T4_E == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L539] COND FALSE !(E_M == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L544] COND FALSE !(E_1 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L549] COND FALSE !(E_2 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L554] COND FALSE !(E_3 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L559] COND FALSE !(E_4 == 0) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L798] RET fire_delta_events() [L799] CALL activate_threads() [L627] int tmp ; [L628] int tmp___0 ; [L629] int tmp___1 ; [L630] int tmp___2 ; [L631] int tmp___3 ; [L635] CALL, EXPR is_master_triggered() [L247] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L250] COND FALSE !(m_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L260] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L262] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L635] RET, EXPR is_master_triggered() [L635] tmp = is_master_triggered() [L637] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L643] CALL, EXPR is_transmit1_triggered() [L266] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L269] COND FALSE !(t1_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L279] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L281] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L643] RET, EXPR is_transmit1_triggered() [L643] tmp___0 = is_transmit1_triggered() [L645] COND FALSE !(\read(tmp___0)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L651] CALL, EXPR is_transmit2_triggered() [L285] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L288] COND FALSE !(t2_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L298] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L300] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L651] RET, EXPR is_transmit2_triggered() [L651] tmp___1 = is_transmit2_triggered() [L653] COND FALSE !(\read(tmp___1)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L659] CALL, EXPR is_transmit3_triggered() [L304] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L307] COND FALSE !(t3_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L317] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L319] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L659] RET, EXPR is_transmit3_triggered() [L659] tmp___2 = is_transmit3_triggered() [L661] COND FALSE !(\read(tmp___2)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L667] CALL, EXPR is_transmit4_triggered() [L323] int __retres1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L326] COND FALSE !(t4_pc == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L336] __retres1 = 0 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, __retres1=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L338] return (__retres1); VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, \result=0, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L667] RET, EXPR is_transmit4_triggered() [L667] tmp___3 = is_transmit4_triggered() [L669] COND FALSE !(\read(tmp___3)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L799] RET activate_threads() [L800] CALL reset_delta_events() [L572] COND FALSE !(M_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L577] COND FALSE !(T1_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L582] COND FALSE !(T2_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L587] COND FALSE !(T3_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L592] COND FALSE !(T4_E == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L597] COND FALSE !(E_M == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L602] COND FALSE !(E_1 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L607] COND FALSE !(E_2 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L612] COND FALSE !(E_3 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L617] COND FALSE !(E_4 == 1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L800] RET reset_delta_events() [L803] COND TRUE 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] [L806] kernel_st = 1 [L807] CALL eval() [L419] int tmp ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, local=0, m_i=1, m_pc=0, m_st=0, t1_i=1, t1_pc=0, t1_st=0, t2_i=1, t2_pc=0, t2_st=0, t3_i=1, t3_pc=0, t3_st=0, t4_i=1, t4_pc=0, t4_st=0, token=0] Loop: [L423] COND TRUE 1 [L426] CALL, EXPR exists_runnable_thread() [L383] int __retres1 ; [L386] COND TRUE m_st == 0 [L387] __retres1 = 1 [L414] return (__retres1); [L426] RET, EXPR exists_runnable_thread() [L426] tmp = exists_runnable_thread() [L428] COND TRUE \read(tmp) [L433] COND TRUE m_st == 0 [L434] int tmp_ndt_1; [L435] tmp_ndt_1 = __VERIFIER_nondet_int() [L436] COND FALSE !(\read(tmp_ndt_1)) [L447] COND TRUE t1_st == 0 [L448] int tmp_ndt_2; [L449] tmp_ndt_2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp_ndt_2)) [L461] COND TRUE t2_st == 0 [L462] int tmp_ndt_3; [L463] tmp_ndt_3 = __VERIFIER_nondet_int() [L464] COND FALSE !(\read(tmp_ndt_3)) [L475] COND TRUE t3_st == 0 [L476] int tmp_ndt_4; [L477] tmp_ndt_4 = __VERIFIER_nondet_int() [L478] COND FALSE !(\read(tmp_ndt_4)) [L489] COND TRUE t4_st == 0 [L490] int tmp_ndt_5; [L491] tmp_ndt_5 = __VERIFIER_nondet_int() [L492] COND FALSE !(\read(tmp_ndt_5)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-04 16:20:21,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)