./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/token_ring.04.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/systemc/token_ring.04.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05d3b7d21cc48825b4a0189c75f03d768acc6241312029d3e223c1b9b2a509ea --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:19:18,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:19:18,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:19:18,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:19:18,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:19:18,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:19:18,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:19:18,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:19:18,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:19:18,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:19:18,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:19:18,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:19:18,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:19:18,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:19:18,376 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:19:18,376 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:19:18,377 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:19:18,377 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:19:18,377 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:19:18,378 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:19:18,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:19:18,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:19:18,379 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:19:18,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:19:18,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:19:18,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:19:18,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:19:18,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:19:18,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:19:18,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:19:18,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:19:18,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:19:18,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:19:18,383 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:19:18,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:19:18,384 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:19:18,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:19:18,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:19:18,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:19:18,385 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:19:18,385 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05d3b7d21cc48825b4a0189c75f03d768acc6241312029d3e223c1b9b2a509ea [2024-11-10 23:19:18,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:19:18,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:19:18,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:19:18,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:19:18,652 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:19:18,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.04.cil-2.c [2024-11-10 23:19:20,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:19:20,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:19:20,285 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.04.cil-2.c [2024-11-10 23:19:20,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89d9b92b/1bd7be0c1c6b4af2b5510592d0bbd823/FLAG04d32fda9 [2024-11-10 23:19:20,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89d9b92b/1bd7be0c1c6b4af2b5510592d0bbd823 [2024-11-10 23:19:20,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:19:20,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:19:20,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:20,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:19:20,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:19:20,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7cdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20, skipping insertion in model container [2024-11-10 23:19:20,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:19:20,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:20,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:19:20,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:20,713 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:19:20,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20 WrapperNode [2024-11-10 23:19:20,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:20,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:20,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:19:20,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:19:20,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,787 INFO L138 Inliner]: procedures = 36, calls = 45, calls flagged for inlining = 40, calls inlined = 80, statements flattened = 1080 [2024-11-10 23:19:20,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:20,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:19:20,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:19:20,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:19:20,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,831 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:19:20,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:19:20,859 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:19:20,860 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:19:20,860 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:19:20,864 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (1/1) ... [2024-11-10 23:19:20,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:19:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:19:20,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:19:20,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:19:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:19:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:19:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:19:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:19:21,033 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:19:21,035 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:19:21,928 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-10 23:19:21,928 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:19:21,963 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:19:21,964 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:19:21,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:21 BoogieIcfgContainer [2024-11-10 23:19:21,964 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:19:21,965 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:19:21,965 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:19:21,969 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:19:21,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:21,971 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:19:20" (1/3) ... [2024-11-10 23:19:21,972 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ed36595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:21, skipping insertion in model container [2024-11-10 23:19:21,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:21,972 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:20" (2/3) ... [2024-11-10 23:19:21,972 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ed36595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:21, skipping insertion in model container [2024-11-10 23:19:21,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:21,973 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:21" (3/3) ... [2024-11-10 23:19:21,974 INFO L332 chiAutomizerObserver]: Analyzing ICFG token_ring.04.cil-2.c [2024-11-10 23:19:22,039 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:19:22,040 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:19:22,040 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:19:22,040 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:19:22,040 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:19:22,040 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:19:22,040 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:19:22,040 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:19:22,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 503 states, 462 states have (on average 1.5324675324675325) internal successors, (708), 502 states have internal predecessors, (708), 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) [2024-11-10 23:19:22,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 356 [2024-11-10 23:19:22,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:22,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:22,120 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:22,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:22,121 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:19:22,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 503 states, 462 states have (on average 1.5324675324675325) internal successors, (708), 502 states have internal predecessors, (708), 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) [2024-11-10 23:19:22,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 356 [2024-11-10 23:19:22,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:22,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:22,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:22,143 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:22,154 INFO L745 eck$LassoCheckResult]: Stem: 488#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; 31#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~6#1;havoc main_~__retres1~6#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; 135#L778true assume true;assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret18#1, start_simulation_#t~ret19#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; 421#L358-1true assume true;assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 55#L365true assume 1 == ~m_i~0;~m_st~0 := 0; 253#L370true assume !(1 == ~t1_i~0);~t1_st~0 := 2; 390#L375true assume !(1 == ~t2_i~0);~t2_st~0 := 2; 191#L380true assume !(1 == ~t3_i~0);~t3_st~0 := 2; 392#L385true assume !(1 == ~t4_i~0);~t4_st~0 := 2; 335#L391true assume true;assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 329#L526-1true assume !(0 == ~M_E~0); 261#L531-1true assume !(0 == ~T1_E~0); 202#L536-1true assume 0 == ~T2_E~0;~T2_E~0 := 1; 321#L541-1true assume !(0 == ~T3_E~0); 197#L546-1true assume !(0 == ~T4_E~0); 273#L551-1true assume !(0 == ~E_M~0); 173#L556-1true assume !(0 == ~E_1~0); 212#L561-1true assume !(0 == ~E_2~0); 179#L566-1true assume !(0 == ~E_3~0); 428#L571-1true assume !(0 == ~E_4~0); 46#L577-1true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_#t~ret16#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1; 30#L262-7true assume 1 == ~m_pc~0; 373#L263-7true assume !(1 == ~E_M~0);is_master_triggered_~__retres1~0#1 := 0; 338#L265-7true assume true;is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1; 472#L274-7true assume true;activate_threads_#t~ret12#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~ret12#1;havoc activate_threads_#t~ret12#1; 423#L649-7true assume !(0 != activate_threads_~tmp~1#1); 265#L655-7true 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; 8#L281-7true assume 1 == ~t1_pc~0; 376#L282-7true assume !(1 == ~E_1~0);is_transmit1_triggered_~__retres1~1#1 := 0; 264#L284-7true assume true;is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1; 238#L293-7true assume true;activate_threads_#t~ret13#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~ret13#1;havoc activate_threads_#t~ret13#1; 225#L657-7true assume !(0 != activate_threads_~tmp___0~0#1); 405#L663-7true 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; 99#L300-7true assume 1 == ~t2_pc~0; 163#L301-7true assume !(1 == ~E_2~0);is_transmit2_triggered_~__retres1~2#1 := 0; 63#L303-7true assume true;is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1; 487#L312-7true assume true;activate_threads_#t~ret14#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~ret14#1;havoc activate_threads_#t~ret14#1; 283#L665-7true assume !(0 != activate_threads_~tmp___1~0#1); 500#L671-7true assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1; 260#L319-7true assume 1 == ~t3_pc~0; 249#L320-7true assume !(1 == ~E_3~0);is_transmit3_triggered_~__retres1~3#1 := 0; 48#L322-7true assume true;is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1; 422#L331-7true assume true;activate_threads_#t~ret15#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1; 23#L673-7true assume !(0 != activate_threads_~tmp___2~0#1); 119#L679-7true assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1; 144#L338-7true assume 1 == ~t4_pc~0; 41#L339-7true assume !(1 == ~E_4~0);is_transmit4_triggered_~__retres1~4#1 := 0; 233#L341-7true assume true;is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1; 484#L350-7true assume true;activate_threads_#t~ret16#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret16#1;havoc activate_threads_#t~ret16#1; 291#L681-7true assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0; 322#L687-7true assume true;havoc activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_#t~ret16#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true; 83#L584-1true assume !(1 == ~M_E~0); 96#L589-1true assume !(1 == ~T1_E~0); 295#L594-1true assume !(1 == ~T2_E~0); 158#L599-1true assume !(1 == ~T3_E~0); 20#L604-1true assume !(1 == ~T4_E~0); 14#L609-1true assume !(1 == ~E_M~0); 76#L614-1true assume 1 == ~E_1~0;~E_1~0 := 2; 130#L619-1true assume !(1 == ~E_2~0); 204#L624-1true assume !(1 == ~E_3~0); 455#L629-1true assume !(1 == ~E_4~0); 377#L635-1true assume true;assume { :end_inline_reset_delta_events } true; 193#L815true [2024-11-10 23:19:22,155 INFO L747 eck$LassoCheckResult]: Loop: 193#L815true assume true; 280#L815-1true assume !false;assume true;start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret6#1, eval_#t~nondet7#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet11#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1; 216#L435true assume !true; 310#L443true assume true; 205#L519true assume true;havoc eval_#t~ret6#1, eval_#t~nondet7#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet8#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_3~0#1, eval_#t~nondet10#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet11#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true; 18#L358true assume true;assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 213#L526true assume 0 == ~M_E~0;~M_E~0 := 1; 43#L531true assume 0 == ~T1_E~0;~T1_E~0 := 1; 184#L536true assume 0 == ~T2_E~0;~T2_E~0 := 1; 328#L541true assume 0 == ~T3_E~0;~T3_E~0 := 1; 38#L546true assume 0 == ~T4_E~0;~T4_E~0 := 1; 154#L551true assume !(0 == ~E_M~0); 492#L556true assume 0 == ~E_1~0;~E_1~0 := 1; 67#L561true assume 0 == ~E_2~0;~E_2~0 := 1; 102#L566true assume 0 == ~E_3~0;~E_3~0 := 1; 366#L571true assume 0 == ~E_4~0;~E_4~0 := 1; 183#L577true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_#t~ret16#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp___2~0#1;havoc activate_threads_~tmp___3~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1; 277#L262-1true assume 1 == ~m_pc~0; 247#L263-1true assume 1 == ~E_M~0;is_master_triggered_~__retres1~0#1 := 1; 231#L265-1true assume true;is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1; 453#L274-1true assume true;activate_threads_#t~ret12#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~ret12#1;havoc activate_threads_#t~ret12#1; 320#L649-1true assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0; 160#L655-1true 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; 345#L281-1true assume 1 == ~t1_pc~0; 440#L282-1true assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1; 49#L284-1true assume true;is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1; 356#L293-1true assume true;activate_threads_#t~ret13#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~ret13#1;havoc activate_threads_#t~ret13#1; 85#L657-1true assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0; 167#L663-1true 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; 301#L300-1true assume 1 == ~t2_pc~0; 349#L301-1true assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1; 217#L303-1true assume true;is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1; 34#L312-1true assume true;activate_threads_#t~ret14#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~ret14#1;havoc activate_threads_#t~ret14#1; 284#L665-1true assume !(0 != activate_threads_~tmp___1~0#1); 294#L671-1true assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;havoc is_transmit3_triggered_~__retres1~3#1; 358#L319-1true assume 1 == ~t3_pc~0; 276#L320-1true assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1; 378#L322-1true assume true;is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1; 279#L331-1true assume true;activate_threads_#t~ret15#1 := is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~3#1;assume { :end_inline_is_transmit3_triggered } true;activate_threads_~tmp___2~0#1 := activate_threads_#t~ret15#1;havoc activate_threads_#t~ret15#1; 242#L673-1true assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0; 334#L679-1true assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;havoc is_transmit4_triggered_~__retres1~4#1; 88#L338-1true assume 1 == ~t4_pc~0; 109#L339-1true assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1; 375#L341-1true assume true;is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1; 426#L350-1true assume true;activate_threads_#t~ret16#1 := is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~4#1;assume { :end_inline_is_transmit4_triggered } true;activate_threads_~tmp___3~0#1 := activate_threads_#t~ret16#1;havoc activate_threads_#t~ret16#1; 360#L681-1true assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0; 363#L687-1true assume true;havoc activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#1, activate_threads_#t~ret15#1, activate_threads_#t~ret16#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1, activate_threads_~tmp___2~0#1, activate_threads_~tmp___3~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true; 424#L584true assume 1 == ~M_E~0;~M_E~0 := 2; 133#L589true assume !(1 == ~T1_E~0); 470#L594true assume 1 == ~T2_E~0;~T2_E~0 := 2; 177#L599true assume 1 == ~T3_E~0;~T3_E~0 := 2; 168#L604true assume 1 == ~T4_E~0;~T4_E~0 := 2; 327#L609true assume 1 == ~E_M~0;~E_M~0 := 2; 161#L614true assume 1 == ~E_1~0;~E_1~0 := 2; 200#L619true assume 1 == ~E_2~0;~E_2~0 := 2; 412#L624true assume 1 == ~E_3~0;~E_3~0 := 2; 300#L629true assume !(1 == ~E_4~0); 28#L635true assume true;assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1; 286#L398-1true assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1; 391#L416-1true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1; 332#L426-1true assume true;start_simulation_#t~ret18#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret18#1;havoc start_simulation_#t~ret18#1; 108#L834true assume !(0 == start_simulation_~tmp~3#1); 365#L845true assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret17#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;havoc exists_runnable_thread_~__retres1~5#1; 483#L398true assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1; 270#L416true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1; 230#L426true assume true;stop_simulation_#t~ret17#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~5#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret17#1;havoc stop_simulation_#t~ret17#1; 319#L789true assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 287#L791true assume true;stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 207#L797true assume true;start_simulation_#t~ret19#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret17#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~ret19#1;havoc start_simulation_#t~ret19#1; 222#L847true assume !(0 != start_simulation_~tmp___0~1#1); 193#L815true [2024-11-10 23:19:22,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:22,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1262991865, now seen corresponding path program 1 times [2024-11-10 23:19:22,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:22,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138463259] [2024-11-10 23:19:22,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:22,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:19:22,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:22,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138463259] [2024-11-10 23:19:22,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138463259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:22,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:22,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:19:22,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136365824] [2024-11-10 23:19:22,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:22,451 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:19:22,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:22,453 INFO L85 PathProgramCache]: Analyzing trace with hash 408588743, now seen corresponding path program 1 times [2024-11-10 23:19:22,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:22,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911753629] [2024-11-10 23:19:22,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:22,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:19:22,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:22,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911753629] [2024-11-10 23:19:22,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911753629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:22,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:22,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:19:22,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311716796] [2024-11-10 23:19:22,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:22,524 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:19:22,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:19:22,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:19:22,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:19:22,598 INFO L87 Difference]: Start difference. First operand has 503 states, 462 states have (on average 1.5324675324675325) internal successors, (708), 502 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:19:22,611 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineFinite(BuchiAutomatonCegarLoop.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineFinite(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineFiniteInternal(AbstractBuchiCegarLoop.java:469) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:398) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 23:19:22,616 INFO L158 Benchmark]: Toolchain (without parser) took 2290.26ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 108.4MB in the beginning and 221.4MB in the end (delta: -113.0MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-11-10 23:19:22,616 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:19:22,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.51ms. Allocated memory is still 163.6MB. Free memory was 108.4MB in the beginning and 90.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 23:19:22,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.40ms. Allocated memory is still 163.6MB. Free memory was 90.8MB in the beginning and 86.2MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:19:22,618 INFO L158 Benchmark]: Boogie Preprocessor took 67.18ms. Allocated memory is still 163.6MB. Free memory was 86.2MB in the beginning and 82.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:22,618 INFO L158 Benchmark]: IcfgBuilder took 1104.86ms. Allocated memory is still 163.6MB. Free memory was 82.0MB in the beginning and 82.5MB in the end (delta: -439.3kB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-10 23:19:22,619 INFO L158 Benchmark]: BuchiAutomizer took 649.63ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 82.5MB in the beginning and 221.4MB in the end (delta: -139.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-10 23:19:22,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.51ms. Allocated memory is still 163.6MB. Free memory was 108.4MB in the beginning and 90.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.40ms. Allocated memory is still 163.6MB. Free memory was 90.8MB in the beginning and 86.2MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.18ms. Allocated memory is still 163.6MB. Free memory was 86.2MB in the beginning and 82.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1104.86ms. Allocated memory is still 163.6MB. Free memory was 82.0MB in the beginning and 82.5MB in the end (delta: -439.3kB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 649.63ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 82.5MB in the beginning and 221.4MB in the end (delta: -139.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 23:19:22,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null