./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/transmitter.02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/systemc/transmitter.02.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 2cbfaf31aa56f767af01fea9a12ccb47d60ab19076d72b85e8ca46d6ff778e4c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:52:21,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:52:21,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:52:21,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:52:21,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:52:21,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:52:21,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:52:21,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:52:21,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:52:21,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:52:21,759 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:52:21,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:52:21,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:52:21,759 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:52:21,760 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:52:21,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:52:21,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:52:21,761 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:52:21,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:52:21,761 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:52:21,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:52:21,761 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:52:21,761 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:52:21,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:52:21,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:52:21,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:52:21,761 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:52:21,761 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-jdk21/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 -> 2cbfaf31aa56f767af01fea9a12ccb47d60ab19076d72b85e8ca46d6ff778e4c [2025-02-06 19:52:21,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:52:21,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:52:21,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:52:21,973 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:52:21,974 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:52:21,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.02.cil.c [2025-02-06 19:52:23,133 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8eb45dc10/a75f538bcf7a482da8d5cc68bce119c6/FLAGb145a6a1a [2025-02-06 19:52:23,385 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:52:23,390 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.02.cil.c [2025-02-06 19:52:23,400 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8eb45dc10/a75f538bcf7a482da8d5cc68bce119c6/FLAGb145a6a1a [2025-02-06 19:52:23,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8eb45dc10/a75f538bcf7a482da8d5cc68bce119c6 [2025-02-06 19:52:23,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:52:23,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:52:23,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:52:23,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:52:23,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:52:23,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6626b782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23, skipping insertion in model container [2025-02-06 19:52:23,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:52:23,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:52:23,865 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:52:23,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:52:23,896 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:52:23,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23 WrapperNode [2025-02-06 19:52:23,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:52:23,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:52:23,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:52:23,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:52:23,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,934 INFO L138 Inliner]: procedures = 32, calls = 37, calls flagged for inlining = 32, calls inlined = 45, statements flattened = 518 [2025-02-06 19:52:23,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:52:23,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:52:23,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:52:23,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:52:23,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,952 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]. [2025-02-06 19:52:23,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:52:23,961 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:52:23,961 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:52:23,961 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:52:23,962 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (1/1) ... [2025-02-06 19:52:23,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:52:23,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:52:23,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:52:24,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:52:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:52:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:52:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:52:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:52:24,070 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:52:24,071 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:52:24,485 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-02-06 19:52:24,485 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:52:24,497 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:52:24,498 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:52:24,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:52:24 BoogieIcfgContainer [2025-02-06 19:52:24,498 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:52:24,498 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:52:24,499 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:52:24,503 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:52:24,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:52:24,504 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:52:23" (1/3) ... [2025-02-06 19:52:24,505 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44950ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:52:24, skipping insertion in model container [2025-02-06 19:52:24,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:52:24,505 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:52:23" (2/3) ... [2025-02-06 19:52:24,505 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44950ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:52:24, skipping insertion in model container [2025-02-06 19:52:24,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:52:24,505 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:52:24" (3/3) ... [2025-02-06 19:52:24,506 INFO L363 chiAutomizerObserver]: Analyzing ICFG transmitter.02.cil.c [2025-02-06 19:52:24,549 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:52:24,549 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:52:24,550 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:52:24,550 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:52:24,550 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:52:24,550 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:52:24,550 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:52:24,550 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:52:24,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 214 states, 213 states have (on average 1.488262910798122) internal successors, (317), 213 states have internal predecessors, (317), 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) [2025-02-06 19:52:24,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 169 [2025-02-06 19:52:24,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:24,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:24,573 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] [2025-02-06 19:52:24,574 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] [2025-02-06 19:52:24,574 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:52:24,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 214 states, 213 states have (on average 1.488262910798122) internal successors, (317), 213 states have internal predecessors, (317), 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) [2025-02-06 19:52:24,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 169 [2025-02-06 19:52:24,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:24,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:24,580 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] [2025-02-06 19:52:24,581 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] [2025-02-06 19:52:24,589 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:24,590 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" "assume !true;" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:24,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:24,593 INFO L85 PathProgramCache]: Analyzing trace with hash -862283818, now seen corresponding path program 1 times [2025-02-06 19:52:24,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:24,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870617370] [2025-02-06 19:52:24,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:24,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:24,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:24,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:24,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:24,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:24,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:24,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870617370] [2025-02-06 19:52:24,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870617370] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:24,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:24,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:52:24,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105886697] [2025-02-06 19:52:24,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:24,742 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:52:24,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:24,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1499116945, now seen corresponding path program 1 times [2025-02-06 19:52:24,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:24,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419465313] [2025-02-06 19:52:24,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:24,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:24,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 19:52:24,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 19:52:24,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:24,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:24,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419465313] [2025-02-06 19:52:24,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419465313] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:24,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:24,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:52:24,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680248072] [2025-02-06 19:52:24,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:24,766 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:24,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:24,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:24,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:24,783 INFO L87 Difference]: Start difference. First operand has 214 states, 213 states have (on average 1.488262910798122) internal successors, (317), 213 states have internal predecessors, (317), 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 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2025-02-06 19:52:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:24,810 INFO L93 Difference]: Finished difference Result 211 states and 306 transitions. [2025-02-06 19:52:24,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 306 transitions. [2025-02-06 19:52:24,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2025-02-06 19:52:24,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 205 states and 300 transitions. [2025-02-06 19:52:24,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 205 [2025-02-06 19:52:24,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2025-02-06 19:52:24,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 300 transitions. [2025-02-06 19:52:24,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:24,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 300 transitions. [2025-02-06 19:52:24,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 300 transitions. [2025-02-06 19:52:24,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2025-02-06 19:52:24,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.4634146341463414) internal successors, (300), 204 states have internal predecessors, (300), 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) [2025-02-06 19:52:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 300 transitions. [2025-02-06 19:52:24,880 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 300 transitions. [2025-02-06 19:52:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:24,887 INFO L432 stractBuchiCegarLoop]: Abstraction has 205 states and 300 transitions. [2025-02-06 19:52:24,887 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:52:24,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 300 transitions. [2025-02-06 19:52:24,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2025-02-06 19:52:24,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:24,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:24,893 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] [2025-02-06 19:52:24,893 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] [2025-02-06 19:52:24,893 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:24,894 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:24,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:24,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1887775817, now seen corresponding path program 1 times [2025-02-06 19:52:24,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:24,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182090157] [2025-02-06 19:52:24,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:24,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:24,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:24,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:24,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:24,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:24,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:24,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182090157] [2025-02-06 19:52:24,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182090157] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:24,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:24,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:52:24,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167179479] [2025-02-06 19:52:24,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:24,951 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:52:24,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:24,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1958319741, now seen corresponding path program 1 times [2025-02-06 19:52:24,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:24,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792437677] [2025-02-06 19:52:24,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:24,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:24,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 19:52:24,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 19:52:24,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:24,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792437677] [2025-02-06 19:52:25,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792437677] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:25,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027023992] [2025-02-06 19:52:25,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,081 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:25,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:25,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:25,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:25,082 INFO L87 Difference]: Start difference. First operand 205 states and 300 transitions. cyclomatic complexity: 96 Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2025-02-06 19:52:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:25,102 INFO L93 Difference]: Finished difference Result 205 states and 299 transitions. [2025-02-06 19:52:25,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 299 transitions. [2025-02-06 19:52:25,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2025-02-06 19:52:25,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 205 states and 299 transitions. [2025-02-06 19:52:25,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 205 [2025-02-06 19:52:25,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2025-02-06 19:52:25,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 299 transitions. [2025-02-06 19:52:25,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:25,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 299 transitions. [2025-02-06 19:52:25,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 299 transitions. [2025-02-06 19:52:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2025-02-06 19:52:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.4585365853658536) internal successors, (299), 204 states have internal predecessors, (299), 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) [2025-02-06 19:52:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 299 transitions. [2025-02-06 19:52:25,112 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 299 transitions. [2025-02-06 19:52:25,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:25,113 INFO L432 stractBuchiCegarLoop]: Abstraction has 205 states and 299 transitions. [2025-02-06 19:52:25,113 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:52:25,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 299 transitions. [2025-02-06 19:52:25,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2025-02-06 19:52:25,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:25,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:25,115 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] [2025-02-06 19:52:25,115 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] [2025-02-06 19:52:25,115 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:25,116 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:25,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash 295901110, now seen corresponding path program 1 times [2025-02-06 19:52:25,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31145527] [2025-02-06 19:52:25,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:25,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:25,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31145527] [2025-02-06 19:52:25,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31145527] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:52:25,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498650622] [2025-02-06 19:52:25,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,161 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:52:25,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2098877513, now seen corresponding path program 1 times [2025-02-06 19:52:25,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745351598] [2025-02-06 19:52:25,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 19:52:25,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 19:52:25,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745351598] [2025-02-06 19:52:25,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745351598] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:25,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208722332] [2025-02-06 19:52:25,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,267 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:25,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:25,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:25,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:25,267 INFO L87 Difference]: Start difference. First operand 205 states and 299 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2025-02-06 19:52:25,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:25,276 INFO L93 Difference]: Finished difference Result 205 states and 298 transitions. [2025-02-06 19:52:25,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 298 transitions. [2025-02-06 19:52:25,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2025-02-06 19:52:25,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 205 states and 298 transitions. [2025-02-06 19:52:25,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 205 [2025-02-06 19:52:25,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2025-02-06 19:52:25,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 298 transitions. [2025-02-06 19:52:25,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:25,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 298 transitions. [2025-02-06 19:52:25,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 298 transitions. [2025-02-06 19:52:25,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2025-02-06 19:52:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.4536585365853658) internal successors, (298), 204 states have internal predecessors, (298), 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) [2025-02-06 19:52:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 298 transitions. [2025-02-06 19:52:25,285 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 298 transitions. [2025-02-06 19:52:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:25,286 INFO L432 stractBuchiCegarLoop]: Abstraction has 205 states and 298 transitions. [2025-02-06 19:52:25,286 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:52:25,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 298 transitions. [2025-02-06 19:52:25,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2025-02-06 19:52:25,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:25,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:25,291 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] [2025-02-06 19:52:25,291 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] [2025-02-06 19:52:25,291 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:25,291 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:25,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1988962345, now seen corresponding path program 1 times [2025-02-06 19:52:25,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390150781] [2025-02-06 19:52:25,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:25,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:25,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390150781] [2025-02-06 19:52:25,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390150781] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:52:25,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434202644] [2025-02-06 19:52:25,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,339 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:52:25,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2098877513, now seen corresponding path program 2 times [2025-02-06 19:52:25,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107999919] [2025-02-06 19:52:25,339 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:52:25,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,345 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 52 statements into 1 equivalence classes. [2025-02-06 19:52:25,348 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 19:52:25,348 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:52:25,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107999919] [2025-02-06 19:52:25,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107999919] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:25,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472875441] [2025-02-06 19:52:25,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,386 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:25,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:25,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 19:52:25,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 19:52:25,386 INFO L87 Difference]: Start difference. First operand 205 states and 298 transitions. cyclomatic complexity: 94 Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2025-02-06 19:52:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:25,500 INFO L93 Difference]: Finished difference Result 346 states and 498 transitions. [2025-02-06 19:52:25,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 346 states and 498 transitions. [2025-02-06 19:52:25,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 300 [2025-02-06 19:52:25,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 346 states to 346 states and 498 transitions. [2025-02-06 19:52:25,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 346 [2025-02-06 19:52:25,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 346 [2025-02-06 19:52:25,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 346 states and 498 transitions. [2025-02-06 19:52:25,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:25,507 INFO L218 hiAutomatonCegarLoop]: Abstraction has 346 states and 498 transitions. [2025-02-06 19:52:25,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states and 498 transitions. [2025-02-06 19:52:25,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2025-02-06 19:52:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 346 states have (on average 1.439306358381503) internal successors, (498), 345 states have internal predecessors, (498), 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) [2025-02-06 19:52:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 498 transitions. [2025-02-06 19:52:25,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 346 states and 498 transitions. [2025-02-06 19:52:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 19:52:25,516 INFO L432 stractBuchiCegarLoop]: Abstraction has 346 states and 498 transitions. [2025-02-06 19:52:25,517 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 19:52:25,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 346 states and 498 transitions. [2025-02-06 19:52:25,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 300 [2025-02-06 19:52:25,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:25,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:25,519 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] [2025-02-06 19:52:25,519 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] [2025-02-06 19:52:25,519 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1;" "is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1;" "activate_threads_#t~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:25,519 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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);" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:25,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2022639255, now seen corresponding path program 1 times [2025-02-06 19:52:25,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875312389] [2025-02-06 19:52:25,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:25,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:25,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875312389] [2025-02-06 19:52:25,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875312389] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:52:25,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229517586] [2025-02-06 19:52:25,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,559 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:52:25,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1871627009, now seen corresponding path program 1 times [2025-02-06 19:52:25,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417475484] [2025-02-06 19:52:25,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 19:52:25,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 19:52:25,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417475484] [2025-02-06 19:52:25,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417475484] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:25,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662790227] [2025-02-06 19:52:25,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,604 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:25,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:25,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:25,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:25,605 INFO L87 Difference]: Start difference. First operand 346 states and 498 transitions. cyclomatic complexity: 154 Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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) [2025-02-06 19:52:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:25,662 INFO L93 Difference]: Finished difference Result 632 states and 895 transitions. [2025-02-06 19:52:25,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 632 states and 895 transitions. [2025-02-06 19:52:25,671 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 585 [2025-02-06 19:52:25,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 632 states to 632 states and 895 transitions. [2025-02-06 19:52:25,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 632 [2025-02-06 19:52:25,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 632 [2025-02-06 19:52:25,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 632 states and 895 transitions. [2025-02-06 19:52:25,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:25,686 INFO L218 hiAutomatonCegarLoop]: Abstraction has 632 states and 895 transitions. [2025-02-06 19:52:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states and 895 transitions. [2025-02-06 19:52:25,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 588. [2025-02-06 19:52:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 588 states have (on average 1.4234693877551021) internal successors, (837), 587 states have internal predecessors, (837), 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) [2025-02-06 19:52:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 837 transitions. [2025-02-06 19:52:25,729 INFO L240 hiAutomatonCegarLoop]: Abstraction has 588 states and 837 transitions. [2025-02-06 19:52:25,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:25,730 INFO L432 stractBuchiCegarLoop]: Abstraction has 588 states and 837 transitions. [2025-02-06 19:52:25,731 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-06 19:52:25,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 588 states and 837 transitions. [2025-02-06 19:52:25,734 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 541 [2025-02-06 19:52:25,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:25,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:25,740 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] [2025-02-06 19:52:25,740 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] [2025-02-06 19:52:25,740 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:25,740 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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);" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:25,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,741 INFO L85 PathProgramCache]: Analyzing trace with hash -533896460, now seen corresponding path program 1 times [2025-02-06 19:52:25,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911373916] [2025-02-06 19:52:25,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:25,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:25,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911373916] [2025-02-06 19:52:25,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911373916] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:52:25,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123317673] [2025-02-06 19:52:25,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,775 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:52:25,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1871627009, now seen corresponding path program 2 times [2025-02-06 19:52:25,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479180425] [2025-02-06 19:52:25,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:52:25,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,780 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 52 statements into 1 equivalence classes. [2025-02-06 19:52:25,782 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 19:52:25,782 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:52:25,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479180425] [2025-02-06 19:52:25,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479180425] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:25,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302456934] [2025-02-06 19:52:25,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,817 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:25,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:25,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:25,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:25,817 INFO L87 Difference]: Start difference. First operand 588 states and 837 transitions. cyclomatic complexity: 253 Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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) [2025-02-06 19:52:25,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:25,858 INFO L93 Difference]: Finished difference Result 1028 states and 1453 transitions. [2025-02-06 19:52:25,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1028 states and 1453 transitions. [2025-02-06 19:52:25,864 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 972 [2025-02-06 19:52:25,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1028 states to 1028 states and 1453 transitions. [2025-02-06 19:52:25,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1028 [2025-02-06 19:52:25,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1028 [2025-02-06 19:52:25,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1028 states and 1453 transitions. [2025-02-06 19:52:25,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:25,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1028 states and 1453 transitions. [2025-02-06 19:52:25,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states and 1453 transitions. [2025-02-06 19:52:25,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1016. [2025-02-06 19:52:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 1016 states have (on average 1.4183070866141732) internal successors, (1441), 1015 states have internal predecessors, (1441), 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) [2025-02-06 19:52:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1441 transitions. [2025-02-06 19:52:25,886 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1016 states and 1441 transitions. [2025-02-06 19:52:25,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:25,889 INFO L432 stractBuchiCegarLoop]: Abstraction has 1016 states and 1441 transitions. [2025-02-06 19:52:25,889 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-06 19:52:25,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1016 states and 1441 transitions. [2025-02-06 19:52:25,893 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 960 [2025-02-06 19:52:25,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:25,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:25,893 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] [2025-02-06 19:52:25,893 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] [2025-02-06 19:52:25,894 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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);" "assume !(1 == ~T2_E~0);" "assume !(1 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:25,894 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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);" "assume 0 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:25,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,894 INFO L85 PathProgramCache]: Analyzing trace with hash 57379089, now seen corresponding path program 1 times [2025-02-06 19:52:25,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257441671] [2025-02-06 19:52:25,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:25,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:25,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257441671] [2025-02-06 19:52:25,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257441671] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:52:25,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632085897] [2025-02-06 19:52:25,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,946 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:52:25,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:25,946 INFO L85 PathProgramCache]: Analyzing trace with hash 684908706, now seen corresponding path program 1 times [2025-02-06 19:52:25,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:25,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243111814] [2025-02-06 19:52:25,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:25,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:25,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 19:52:25,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 19:52:25,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:25,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:25,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:25,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243111814] [2025-02-06 19:52:25,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243111814] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:25,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:25,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:25,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366622602] [2025-02-06 19:52:25,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:25,980 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:25,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:25,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:25,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:25,980 INFO L87 Difference]: Start difference. First operand 1016 states and 1441 transitions. cyclomatic complexity: 433 Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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) [2025-02-06 19:52:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:26,012 INFO L93 Difference]: Finished difference Result 1466 states and 2064 transitions. [2025-02-06 19:52:26,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1466 states and 2064 transitions. [2025-02-06 19:52:26,019 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1406 [2025-02-06 19:52:26,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1466 states to 1466 states and 2064 transitions. [2025-02-06 19:52:26,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1466 [2025-02-06 19:52:26,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1466 [2025-02-06 19:52:26,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1466 states and 2064 transitions. [2025-02-06 19:52:26,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:26,026 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1466 states and 2064 transitions. [2025-02-06 19:52:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states and 2064 transitions. [2025-02-06 19:52:26,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1031. [2025-02-06 19:52:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 1031 states have (on average 1.414161008729389) internal successors, (1458), 1030 states have internal predecessors, (1458), 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) [2025-02-06 19:52:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1458 transitions. [2025-02-06 19:52:26,038 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1031 states and 1458 transitions. [2025-02-06 19:52:26,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:26,042 INFO L432 stractBuchiCegarLoop]: Abstraction has 1031 states and 1458 transitions. [2025-02-06 19:52:26,042 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-06 19:52:26,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1031 states and 1458 transitions. [2025-02-06 19:52:26,045 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 980 [2025-02-06 19:52:26,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:26,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:26,045 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] [2025-02-06 19:52:26,045 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] [2025-02-06 19:52:26,045 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:26,046 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:26,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,046 INFO L85 PathProgramCache]: Analyzing trace with hash 86008240, now seen corresponding path program 1 times [2025-02-06 19:52:26,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813965551] [2025-02-06 19:52:26,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:26,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:26,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,053 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:26,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:26,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1550341181, now seen corresponding path program 1 times [2025-02-06 19:52:26,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888075454] [2025-02-06 19:52:26,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 19:52:26,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 19:52:26,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:26,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:26,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888075454] [2025-02-06 19:52:26,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888075454] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:26,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:26,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:26,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718413998] [2025-02-06 19:52:26,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:26,103 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:26,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:26,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:52:26,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:52:26,103 INFO L87 Difference]: Start difference. First operand 1031 states and 1458 transitions. cyclomatic complexity: 431 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2025-02-06 19:52:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:26,145 INFO L93 Difference]: Finished difference Result 1087 states and 1514 transitions. [2025-02-06 19:52:26,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1087 states and 1514 transitions. [2025-02-06 19:52:26,150 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1036 [2025-02-06 19:52:26,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1087 states to 1087 states and 1514 transitions. [2025-02-06 19:52:26,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1087 [2025-02-06 19:52:26,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1087 [2025-02-06 19:52:26,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1087 states and 1514 transitions. [2025-02-06 19:52:26,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:26,155 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1087 states and 1514 transitions. [2025-02-06 19:52:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states and 1514 transitions. [2025-02-06 19:52:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1055. [2025-02-06 19:52:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 1055 states have (on average 1.404739336492891) internal successors, (1482), 1054 states have internal predecessors, (1482), 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) [2025-02-06 19:52:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1482 transitions. [2025-02-06 19:52:26,166 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1055 states and 1482 transitions. [2025-02-06 19:52:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:52:26,167 INFO L432 stractBuchiCegarLoop]: Abstraction has 1055 states and 1482 transitions. [2025-02-06 19:52:26,167 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-06 19:52:26,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1055 states and 1482 transitions. [2025-02-06 19:52:26,170 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1004 [2025-02-06 19:52:26,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:26,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:26,170 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] [2025-02-06 19:52:26,170 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] [2025-02-06 19:52:26,170 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:26,170 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume !(0 == ~m_st~0);" "assume !(0 == ~t1_st~0);" "assume !(0 == ~t2_st~0);exists_runnable_thread_~__retres1~3#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:26,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,171 INFO L85 PathProgramCache]: Analyzing trace with hash 86008240, now seen corresponding path program 2 times [2025-02-06 19:52:26,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029400829] [2025-02-06 19:52:26,171 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:52:26,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:26,175 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:26,175 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:52:26,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,175 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:26,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:26,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash 697873780, now seen corresponding path program 1 times [2025-02-06 19:52:26,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692563806] [2025-02-06 19:52:26,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 19:52:26,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 19:52:26,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:26,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:26,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692563806] [2025-02-06 19:52:26,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692563806] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:26,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:26,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:52:26,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944620986] [2025-02-06 19:52:26,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:26,222 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:26,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:26,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:52:26,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:52:26,222 INFO L87 Difference]: Start difference. First operand 1055 states and 1482 transitions. cyclomatic complexity: 431 Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2025-02-06 19:52:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:26,293 INFO L93 Difference]: Finished difference Result 1076 states and 1489 transitions. [2025-02-06 19:52:26,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1076 states and 1489 transitions. [2025-02-06 19:52:26,298 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1025 [2025-02-06 19:52:26,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1076 states to 1076 states and 1489 transitions. [2025-02-06 19:52:26,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1076 [2025-02-06 19:52:26,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1076 [2025-02-06 19:52:26,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1076 states and 1489 transitions. [2025-02-06 19:52:26,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:26,303 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1076 states and 1489 transitions. [2025-02-06 19:52:26,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states and 1489 transitions. [2025-02-06 19:52:26,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2025-02-06 19:52:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1076 states have (on average 1.3838289962825279) internal successors, (1489), 1075 states have internal predecessors, (1489), 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) [2025-02-06 19:52:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1489 transitions. [2025-02-06 19:52:26,313 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1076 states and 1489 transitions. [2025-02-06 19:52:26,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:52:26,314 INFO L432 stractBuchiCegarLoop]: Abstraction has 1076 states and 1489 transitions. [2025-02-06 19:52:26,314 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-06 19:52:26,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1076 states and 1489 transitions. [2025-02-06 19:52:26,317 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1025 [2025-02-06 19:52:26,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:26,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:26,318 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] [2025-02-06 19:52:26,318 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] [2025-02-06 19:52:26,318 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" [2025-02-06 19:52:26,318 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume !(0 == ~m_st~0);" "assume !(0 == ~t1_st~0);" "assume !(0 == ~t2_st~0);exists_runnable_thread_~__retres1~3#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume !(0 != eval_~tmp~0#1);" "havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#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 == ~E_1~0;~E_1~0 := 1;" "assume 0 == ~E_2~0;~E_2~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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;~T2_E~0 := 2;" "assume 1 == ~E_1~0;~E_1~0 := 2;" "assume 1 == ~E_2~0;~E_2~0 := 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1;" "assume !(0 == start_simulation_~tmp~3#1);" "assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#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~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#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~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp___0~1#1);" [2025-02-06 19:52:26,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,318 INFO L85 PathProgramCache]: Analyzing trace with hash 86008240, now seen corresponding path program 3 times [2025-02-06 19:52:26,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941283362] [2025-02-06 19:52:26,318 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:52:26,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,322 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:26,323 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:26,323 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:52:26,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,323 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:52:26,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:52:26,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1312230061, now seen corresponding path program 1 times [2025-02-06 19:52:26,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994566768] [2025-02-06 19:52:26,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 19:52:26,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 19:52:26,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:26,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:26,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994566768] [2025-02-06 19:52:26,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994566768] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:26,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:26,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:52:26,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051517470] [2025-02-06 19:52:26,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:26,366 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:52:26,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:26,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:26,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:26,366 INFO L87 Difference]: Start difference. First operand 1076 states and 1489 transitions. cyclomatic complexity: 417 Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2025-02-06 19:52:26,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:26,390 INFO L93 Difference]: Finished difference Result 1498 states and 2038 transitions. [2025-02-06 19:52:26,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1498 states and 2038 transitions. [2025-02-06 19:52:26,396 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1441 [2025-02-06 19:52:26,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1498 states to 1498 states and 2038 transitions. [2025-02-06 19:52:26,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1498 [2025-02-06 19:52:26,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1498 [2025-02-06 19:52:26,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1498 states and 2038 transitions. [2025-02-06 19:52:26,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:26,403 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1498 states and 2038 transitions. [2025-02-06 19:52:26,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states and 2038 transitions. [2025-02-06 19:52:26,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1463. [2025-02-06 19:52:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1463 states have (on average 1.3622693096377307) internal successors, (1993), 1462 states have internal predecessors, (1993), 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) [2025-02-06 19:52:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1993 transitions. [2025-02-06 19:52:26,418 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1463 states and 1993 transitions. [2025-02-06 19:52:26,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:26,418 INFO L432 stractBuchiCegarLoop]: Abstraction has 1463 states and 1993 transitions. [2025-02-06 19:52:26,418 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-06 19:52:26,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1463 states and 1993 transitions. [2025-02-06 19:52:26,422 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1406 [2025-02-06 19:52:26,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:26,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:26,423 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] [2025-02-06 19:52:26,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:52:26,423 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-02-06 19:52:26,423 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet5#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#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);" [2025-02-06 19:52:26,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1049550447, now seen corresponding path program 1 times [2025-02-06 19:52:26,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227912689] [2025-02-06 19:52:26,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:26,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:26,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,428 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:26,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:26,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,434 INFO L85 PathProgramCache]: Analyzing trace with hash -77822369, now seen corresponding path program 1 times [2025-02-06 19:52:26,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070714640] [2025-02-06 19:52:26,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 19:52:26,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 19:52:26,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,437 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 19:52:26,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 19:52:26,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,439 INFO L85 PathProgramCache]: Analyzing trace with hash 332134193, now seen corresponding path program 1 times [2025-02-06 19:52:26,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744560700] [2025-02-06 19:52:26,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 19:52:26,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 19:52:26,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744560700] [2025-02-06 19:52:26,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744560700] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:26,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:26,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:52:26,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698793209] [2025-02-06 19:52:26,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:26,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:26,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:26,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:26,498 INFO L87 Difference]: Start difference. First operand 1463 states and 1993 transitions. cyclomatic complexity: 536 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2025-02-06 19:52:26,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:26,531 INFO L93 Difference]: Finished difference Result 1508 states and 2019 transitions. [2025-02-06 19:52:26,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1508 states and 2019 transitions. [2025-02-06 19:52:26,537 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1431 [2025-02-06 19:52:26,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1508 states to 1508 states and 2019 transitions. [2025-02-06 19:52:26,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1508 [2025-02-06 19:52:26,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1508 [2025-02-06 19:52:26,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1508 states and 2019 transitions. [2025-02-06 19:52:26,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:26,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1508 states and 2019 transitions. [2025-02-06 19:52:26,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states and 2019 transitions. [2025-02-06 19:52:26,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1431. [2025-02-06 19:52:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1431 states have (on average 1.3424178895877008) internal successors, (1921), 1430 states have internal predecessors, (1921), 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) [2025-02-06 19:52:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1921 transitions. [2025-02-06 19:52:26,557 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1431 states and 1921 transitions. [2025-02-06 19:52:26,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:26,558 INFO L432 stractBuchiCegarLoop]: Abstraction has 1431 states and 1921 transitions. [2025-02-06 19:52:26,558 INFO L338 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-02-06 19:52:26,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1431 states and 1921 transitions. [2025-02-06 19:52:26,562 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1354 [2025-02-06 19:52:26,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:26,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:26,562 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] [2025-02-06 19:52:26,562 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:52:26,562 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-02-06 19:52:26,562 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet5#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#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~nondet6#1;eval_~tmp_ndt_2~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp_ndt_2~0#1);" "havoc eval_~tmp_ndt_2~0#1;" "assume !(0 == ~t2_st~0);" [2025-02-06 19:52:26,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1049550447, now seen corresponding path program 2 times [2025-02-06 19:52:26,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051212678] [2025-02-06 19:52:26,563 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:52:26,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:26,568 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:26,568 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:52:26,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,568 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:26,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:26,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1772822633, now seen corresponding path program 1 times [2025-02-06 19:52:26,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383776951] [2025-02-06 19:52:26,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:52:26,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:52:26,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,575 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 19:52:26,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 19:52:26,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1353409513, now seen corresponding path program 1 times [2025-02-06 19:52:26,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323781388] [2025-02-06 19:52:26,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 19:52:26,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 19:52:26,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:52:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:52:26,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:52:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323781388] [2025-02-06 19:52:26,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323781388] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:52:26,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:52:26,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:52:26,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468588152] [2025-02-06 19:52:26,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:52:26,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:52:26,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:52:26,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:52:26,630 INFO L87 Difference]: Start difference. First operand 1431 states and 1921 transitions. cyclomatic complexity: 496 Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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) [2025-02-06 19:52:26,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:52:26,659 INFO L93 Difference]: Finished difference Result 2516 states and 3355 transitions. [2025-02-06 19:52:26,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2516 states and 3355 transitions. [2025-02-06 19:52:26,667 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 2403 [2025-02-06 19:52:26,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2516 states to 2516 states and 3355 transitions. [2025-02-06 19:52:26,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2516 [2025-02-06 19:52:26,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2516 [2025-02-06 19:52:26,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2516 states and 3355 transitions. [2025-02-06 19:52:26,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:52:26,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2516 states and 3355 transitions. [2025-02-06 19:52:26,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states and 3355 transitions. [2025-02-06 19:52:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2025-02-06 19:52:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 2516 states have (on average 1.3334658187599364) internal successors, (3355), 2515 states have internal predecessors, (3355), 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) [2025-02-06 19:52:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3355 transitions. [2025-02-06 19:52:26,700 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2516 states and 3355 transitions. [2025-02-06 19:52:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:52:26,700 INFO L432 stractBuchiCegarLoop]: Abstraction has 2516 states and 3355 transitions. [2025-02-06 19:52:26,700 INFO L338 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-02-06 19:52:26,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2516 states and 3355 transitions. [2025-02-06 19:52:26,705 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 2403 [2025-02-06 19:52:26,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:52:26,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:52:26,706 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] [2025-02-06 19:52:26,706 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:52:26,706 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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#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 { :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 == ~E_1~0);" "assume !(0 == ~E_2~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#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~ret8#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~ret8#1;havoc activate_threads_#t~ret8#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~ret9#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~ret9#1;havoc activate_threads_#t~ret9#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~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1;" "assume !(0 != activate_threads_~tmp___1~0#1);" "havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#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 == ~E_1~0);" "assume !(1 == ~E_2~0);" "assume { :end_inline_reset_delta_events } true;" "assume true;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1;" [2025-02-06 19:52:26,706 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1;" "assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1;" "eval_#t~ret4#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp~0#1 := eval_#t~ret4#1;havoc eval_#t~ret4#1;" "assume 0 != eval_~tmp~0#1;" "assume 0 == ~m_st~0;havoc eval_~tmp_ndt_1~0#1;havoc eval_#t~nondet5#1;eval_~tmp_ndt_1~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#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~nondet6#1;eval_~tmp_ndt_2~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#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~nondet7#1;eval_~tmp_ndt_3~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1;" "assume !(0 != eval_~tmp_ndt_3~0#1);" "havoc eval_~tmp_ndt_3~0#1;" [2025-02-06 19:52:26,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1049550447, now seen corresponding path program 3 times [2025-02-06 19:52:26,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950715499] [2025-02-06 19:52:26,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:52:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,709 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:26,711 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:26,711 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:52:26,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,711 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:26,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:26,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1419471042, now seen corresponding path program 1 times [2025-02-06 19:52:26,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293146762] [2025-02-06 19:52:26,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:52:26,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:52:26,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,718 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:52:26,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:52:26,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:26,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:52:26,725 INFO L85 PathProgramCache]: Analyzing trace with hash -748543852, now seen corresponding path program 1 times [2025-02-06 19:52:26,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:52:26,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871031350] [2025-02-06 19:52:26,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:52:26,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:52:26,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 19:52:26,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 19:52:26,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,731 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:26,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 19:52:26,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 19:52:26,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:26,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:26,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:52:27,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:27,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:27,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:27,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:27,210 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:52:27,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:52:27,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:52:27,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:52:27,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:52:27,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:52:27 BoogieIcfgContainer [2025-02-06 19:52:27,279 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:52:27,279 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:52:27,279 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:52:27,279 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:52:27,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:52:24" (3/4) ... [2025-02-06 19:52:27,281 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:52:27,324 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:52:27,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:52:27,324 INFO L158 Benchmark]: Toolchain (without parser) took 3599.68ms. Allocated memory is still 201.3MB. Free memory was 159.5MB in the beginning and 74.3MB in the end (delta: 85.1MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2025-02-06 19:52:27,324 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 209.7MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:52:27,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.93ms. Allocated memory is still 201.3MB. Free memory was 159.5MB in the beginning and 146.1MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:52:27,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.19ms. Allocated memory is still 201.3MB. Free memory was 146.1MB in the beginning and 143.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:52:27,325 INFO L158 Benchmark]: Boogie Preprocessor took 25.04ms. Allocated memory is still 201.3MB. Free memory was 143.7MB in the beginning and 141.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:52:27,325 INFO L158 Benchmark]: IcfgBuilder took 536.86ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 111.1MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:52:27,325 INFO L158 Benchmark]: BuchiAutomizer took 2780.21ms. Allocated memory is still 201.3MB. Free memory was 110.8MB in the beginning and 81.0MB in the end (delta: 29.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2025-02-06 19:52:27,325 INFO L158 Benchmark]: Witness Printer took 44.63ms. Allocated memory is still 201.3MB. Free memory was 81.0MB in the beginning and 74.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:52:27,326 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 209.7MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.93ms. Allocated memory is still 201.3MB. Free memory was 159.5MB in the beginning and 146.1MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.19ms. Allocated memory is still 201.3MB. Free memory was 146.1MB in the beginning and 143.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.04ms. Allocated memory is still 201.3MB. Free memory was 143.7MB in the beginning and 141.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 536.86ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 111.1MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2780.21ms. Allocated memory is still 201.3MB. Free memory was 110.8MB in the beginning and 81.0MB in the end (delta: 29.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 44.63ms. Allocated memory is still 201.3MB. Free memory was 81.0MB in the beginning and 74.3MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. 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 12 terminating modules (12 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.12 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 2516 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 13 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 12. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 635 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. 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, 2654 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2654 mSDsluCounter, 6864 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3164 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 3700 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc2 concLT0 SILN0 SILU0 SILI7 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: 271]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L25] int m_pc = 0; [L26] int t1_pc = 0; [L27] int t2_pc = 0; [L28] int m_st ; [L29] int t1_st ; [L30] int t2_st ; [L31] int m_i ; [L32] int t1_i ; [L33] int t2_i ; [L34] int M_E = 2; [L35] int T1_E = 2; [L36] int T2_E = 2; [L37] int E_1 = 2; [L38] int E_2 = 2; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L573] int __retres1 ; [L577] CALL init_model() [L487] m_i = 1 [L488] t1_i = 1 [L489] t2_i = 1 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L577] RET init_model() [L578] CALL start_simulation() [L514] int kernel_st ; [L515] int tmp ; [L516] int tmp___0 ; [L520] kernel_st = 0 [L521] FCALL update_channels() [L522] CALL init_threads() [L221] COND TRUE m_i == 1 [L222] m_st = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L226] COND TRUE t1_i == 1 [L227] t1_st = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L231] COND TRUE t2_i == 1 [L232] t2_st = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L522] RET init_threads() [L523] CALL fire_delta_events() [L334] COND FALSE !(M_E == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L339] COND FALSE !(T1_E == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L344] COND FALSE !(T2_E == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L349] COND FALSE !(E_1 == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L354] COND FALSE !(E_2 == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L523] RET fire_delta_events() [L524] CALL activate_threads() [L397] int tmp ; [L398] int tmp___0 ; [L399] int tmp___1 ; [L403] CALL, EXPR is_master_triggered() [L153] int __retres1 ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L156] COND FALSE !(m_pc == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L166] __retres1 = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, __retres1=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] [L168] return (__retres1); VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, \result=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] [L403] RET, EXPR is_master_triggered() [L403] tmp = is_master_triggered() [L405] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L411] CALL, EXPR is_transmit1_triggered() [L172] int __retres1 ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L175] COND FALSE !(t1_pc == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L185] __retres1 = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, __retres1=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] [L187] return (__retres1); VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, \result=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] [L411] RET, EXPR is_transmit1_triggered() [L411] tmp___0 = is_transmit1_triggered() [L413] COND FALSE !(\read(tmp___0)) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L419] CALL, EXPR is_transmit2_triggered() [L191] int __retres1 ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L194] COND FALSE !(t2_pc == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L204] __retres1 = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, __retres1=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] [L206] return (__retres1); VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, \result=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] [L419] RET, EXPR is_transmit2_triggered() [L419] tmp___1 = is_transmit2_triggered() [L421] COND FALSE !(\read(tmp___1)) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L524] RET activate_threads() [L525] CALL reset_delta_events() [L367] COND FALSE !(M_E == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L372] COND FALSE !(T1_E == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L377] COND FALSE !(T2_E == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L382] COND FALSE !(E_1 == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L387] COND FALSE !(E_2 == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L525] RET reset_delta_events() [L528] COND TRUE 1 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L531] kernel_st = 1 [L532] CALL eval() [L267] int tmp ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] Loop: [L271] COND TRUE 1 [L274] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE m_st == 0 [L245] __retres1 = 1 [L262] return (__retres1); [L274] RET, EXPR exists_runnable_thread() [L274] tmp = exists_runnable_thread() [L276] COND TRUE \read(tmp) [L281] COND TRUE m_st == 0 [L282] int tmp_ndt_1; [L283] tmp_ndt_1 = __VERIFIER_nondet_int() [L284] COND FALSE !(\read(tmp_ndt_1)) [L295] COND TRUE t1_st == 0 [L296] int tmp_ndt_2; [L297] tmp_ndt_2 = __VERIFIER_nondet_int() [L298] COND FALSE !(\read(tmp_ndt_2)) [L309] COND TRUE t2_st == 0 [L310] int tmp_ndt_3; [L311] tmp_ndt_3 = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp_ndt_3)) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 271]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L25] int m_pc = 0; [L26] int t1_pc = 0; [L27] int t2_pc = 0; [L28] int m_st ; [L29] int t1_st ; [L30] int t2_st ; [L31] int m_i ; [L32] int t1_i ; [L33] int t2_i ; [L34] int M_E = 2; [L35] int T1_E = 2; [L36] int T2_E = 2; [L37] int E_1 = 2; [L38] int E_2 = 2; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L573] int __retres1 ; [L577] CALL init_model() [L487] m_i = 1 [L488] t1_i = 1 [L489] t2_i = 1 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L577] RET init_model() [L578] CALL start_simulation() [L514] int kernel_st ; [L515] int tmp ; [L516] int tmp___0 ; [L520] kernel_st = 0 [L521] FCALL update_channels() [L522] CALL init_threads() [L221] COND TRUE m_i == 1 [L222] m_st = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L226] COND TRUE t1_i == 1 [L227] t1_st = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L231] COND TRUE t2_i == 1 [L232] t2_st = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L522] RET init_threads() [L523] CALL fire_delta_events() [L334] COND FALSE !(M_E == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L339] COND FALSE !(T1_E == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L344] COND FALSE !(T2_E == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L349] COND FALSE !(E_1 == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L354] COND FALSE !(E_2 == 0) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L523] RET fire_delta_events() [L524] CALL activate_threads() [L397] int tmp ; [L398] int tmp___0 ; [L399] int tmp___1 ; [L403] CALL, EXPR is_master_triggered() [L153] int __retres1 ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L156] COND FALSE !(m_pc == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L166] __retres1 = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, __retres1=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] [L168] return (__retres1); VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, \result=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] [L403] RET, EXPR is_master_triggered() [L403] tmp = is_master_triggered() [L405] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L411] CALL, EXPR is_transmit1_triggered() [L172] int __retres1 ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L175] COND FALSE !(t1_pc == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L185] __retres1 = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, __retres1=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] [L187] return (__retres1); VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, \result=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] [L411] RET, EXPR is_transmit1_triggered() [L411] tmp___0 = is_transmit1_triggered() [L413] COND FALSE !(\read(tmp___0)) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L419] CALL, EXPR is_transmit2_triggered() [L191] int __retres1 ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L194] COND FALSE !(t2_pc == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L204] __retres1 = 0 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, __retres1=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] [L206] return (__retres1); VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, \result=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] [L419] RET, EXPR is_transmit2_triggered() [L419] tmp___1 = is_transmit2_triggered() [L421] COND FALSE !(\read(tmp___1)) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L524] RET activate_threads() [L525] CALL reset_delta_events() [L367] COND FALSE !(M_E == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L372] COND FALSE !(T1_E == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L377] COND FALSE !(T2_E == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L382] COND FALSE !(E_1 == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L387] COND FALSE !(E_2 == 1) VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L525] RET reset_delta_events() [L528] COND TRUE 1 VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] [L531] kernel_st = 1 [L532] CALL eval() [L267] int tmp ; VAL [E_1=2, E_2=2, M_E=2, T1_E=2, T2_E=2, 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] Loop: [L271] COND TRUE 1 [L274] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE m_st == 0 [L245] __retres1 = 1 [L262] return (__retres1); [L274] RET, EXPR exists_runnable_thread() [L274] tmp = exists_runnable_thread() [L276] COND TRUE \read(tmp) [L281] COND TRUE m_st == 0 [L282] int tmp_ndt_1; [L283] tmp_ndt_1 = __VERIFIER_nondet_int() [L284] COND FALSE !(\read(tmp_ndt_1)) [L295] COND TRUE t1_st == 0 [L296] int tmp_ndt_2; [L297] tmp_ndt_2 = __VERIFIER_nondet_int() [L298] COND FALSE !(\read(tmp_ndt_2)) [L309] COND TRUE t2_st == 0 [L310] int tmp_ndt_3; [L311] tmp_ndt_3 = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp_ndt_3)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:52:27,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)