./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/transmitter.04.cil.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/transmitter.04.cil.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 1de07d37d630bd073064bf436fb9512b72ab982b0eaf3fcb1582f689c57482fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:19:53,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:19:53,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:19:53,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:19:53,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:19:53,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:19:53,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:19:53,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:19:53,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:19:53,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:19:53,998 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:19:53,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:19:53,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:19:53,999 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:19:53,999 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:19:53,999 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:19:53,999 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:19:53,999 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:19:54,000 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:19:54,000 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:19:54,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:19:54,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:19:54,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:19:54,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:19:54,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:19:54,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:19:54,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:19:54,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:19:54,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:19:54,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:19:54,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:19:54,002 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:19:54,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:19:54,003 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:19:54,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:19:54,003 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:19:54,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:19:54,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:19:54,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:19:54,004 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:19:54,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1de07d37d630bd073064bf436fb9512b72ab982b0eaf3fcb1582f689c57482fa [2024-11-10 23:19:54,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:19:54,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:19:54,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:19:54,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:19:54,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:19:54,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.04.cil.c [2024-11-10 23:19:55,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:19:55,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:19:55,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.04.cil.c [2024-11-10 23:19:55,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24af034a/b75b4764c12b49da8d6f49a59d5f909f/FLAG6f9f5e248 [2024-11-10 23:19:56,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24af034a/b75b4764c12b49da8d6f49a59d5f909f [2024-11-10 23:19:56,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:19:56,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:19:56,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:56,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:19:56,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:19:56,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b626f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56, skipping insertion in model container [2024-11-10 23:19:56,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:19:56,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:56,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:19:56,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:56,346 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:19:56,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56 WrapperNode [2024-11-10 23:19:56,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:56,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:56,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:19:56,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:19:56,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,397 INFO L138 Inliner]: procedures = 36, calls = 43, calls flagged for inlining = 38, calls inlined = 71, statements flattened = 968 [2024-11-10 23:19:56,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:56,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:19:56,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:19:56,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:19:56,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,414 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,427 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 23:19:56,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:19:56,452 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:19:56,452 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:19:56,452 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:19:56,453 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (1/1) ... [2024-11-10 23:19:56,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:19:56,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:19:56,501 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 23:19:56,508 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 23:19:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:19:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:19:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:19:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:19:56,645 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:19:56,647 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:19:57,284 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-10 23:19:57,284 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:19:57,299 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:19:57,299 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:19:57,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:57 BoogieIcfgContainer [2024-11-10 23:19:57,299 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:19:57,300 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:19:57,300 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:19:57,303 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:19:57,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:57,304 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:19:56" (1/3) ... [2024-11-10 23:19:57,304 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b118add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:57, skipping insertion in model container [2024-11-10 23:19:57,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:57,305 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:56" (2/3) ... [2024-11-10 23:19:57,305 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b118add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:57, skipping insertion in model container [2024-11-10 23:19:57,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:57,305 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:57" (3/3) ... [2024-11-10 23:19:57,306 INFO L332 chiAutomizerObserver]: Analyzing ICFG transmitter.04.cil.c [2024-11-10 23:19:57,353 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:19:57,353 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:19:57,353 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:19:57,353 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:19:57,353 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:19:57,353 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:19:57,353 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:19:57,354 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:19:57,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 451 states, 415 states have (on average 1.5349397590361447) internal successors, (637), 450 states have internal predecessors, (637), 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 23:19:57,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 316 [2024-11-10 23:19:57,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:57,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:57,394 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] [2024-11-10 23:19:57,394 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] [2024-11-10 23:19:57,395 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:19:57,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 451 states, 415 states have (on average 1.5349397590361447) internal successors, (637), 450 states have internal predecessors, (637), 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 23:19:57,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 316 [2024-11-10 23:19:57,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:57,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:57,408 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] [2024-11-10 23:19:57,408 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] [2024-11-10 23:19:57,416 INFO L745 eck$LassoCheckResult]: Stem: 441#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(21, 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_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2; 23#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; 220#L739true assume true;assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret16#1, start_simulation_#t~ret17#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; 142#L334-1true assume true;assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 67#L341true assume !(1 == ~m_i~0);~m_st~0 := 2; 38#L346true assume !(1 == ~t1_i~0);~t1_st~0 := 2; 291#L351true assume !(1 == ~t2_i~0);~t2_st~0 := 2; 179#L356true assume !(1 == ~t3_i~0);~t3_st~0 := 2; 167#L361true assume !(1 == ~t4_i~0);~t4_st~0 := 2; 226#L367true assume true;assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 89#L502-1true assume !(0 == ~M_E~0); 15#L507-1true assume !(0 == ~T1_E~0); 69#L512-1true assume !(0 == ~T2_E~0); 361#L517-1true assume !(0 == ~T3_E~0); 12#L522-1true assume !(0 == ~T4_E~0); 317#L527-1true assume !(0 == ~E_1~0); 139#L532-1true assume !(0 == ~E_2~0); 419#L537-1true assume !(0 == ~E_3~0); 152#L542-1true assume !(0 == ~E_4~0); 432#L548-1true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#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; 353#L238-6true assume 1 == ~m_pc~0; 285#L239-6true assume !(1 == ~M_E~0);is_master_triggered_~__retres1~0#1 := 0; 356#L241-6true assume true;is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1; 137#L250-6true assume true;activate_threads_#t~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1; 193#L615-6true assume !(0 != activate_threads_~tmp~1#1); 319#L621-6true 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; 397#L257-6true assume 1 == ~t1_pc~0; 227#L258-6true assume !(1 == ~E_1~0);is_transmit1_triggered_~__retres1~1#1 := 0; 318#L260-6true assume true;is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1; 77#L269-6true assume true;activate_threads_#t~ret11#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~ret11#1;havoc activate_threads_#t~ret11#1; 255#L623-6true assume !(0 != activate_threads_~tmp___0~0#1); 452#L629-6true 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; 434#L276-6true assume 1 == ~t2_pc~0; 121#L277-6true assume !(1 == ~E_2~0);is_transmit2_triggered_~__retres1~2#1 := 0; 304#L279-6true assume true;is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1; 325#L288-6true assume true;activate_threads_#t~ret12#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~ret12#1;havoc activate_threads_#t~ret12#1; 206#L631-6true assume !(0 != activate_threads_~tmp___1~0#1); 289#L637-6true 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; 296#L295-6true assume 1 == ~t3_pc~0; 116#L296-6true assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1; 360#L298-6true assume true;is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1; 370#L307-6true assume true;activate_threads_#t~ret13#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~ret13#1;havoc activate_threads_#t~ret13#1; 155#L639-6true assume !(0 != activate_threads_~tmp___2~0#1); 113#L645-6true 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; 431#L314-6true assume 1 == ~t4_pc~0; 63#L315-6true assume !(1 == ~E_4~0);is_transmit4_triggered_~__retres1~4#1 := 0; 264#L317-6true assume true;is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1; 119#L326-6true assume true;activate_threads_#t~ret14#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~ret14#1;havoc activate_threads_#t~ret14#1; 87#L647-6true assume !(0 != activate_threads_~tmp___3~0#1); 416#L653-6true assume true;havoc activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#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; 254#L555-1true assume !(1 == ~M_E~0); 429#L560-1true assume !(1 == ~T1_E~0); 13#L565-1true assume !(1 == ~T2_E~0); 100#L570-1true assume !(1 == ~T3_E~0); 256#L575-1true assume !(1 == ~T4_E~0); 333#L580-1true assume !(1 == ~E_1~0); 148#L585-1true assume !(1 == ~E_2~0); 29#L590-1true assume !(1 == ~E_3~0); 26#L595-1true assume !(1 == ~E_4~0); 252#L601-1true assume true;assume { :end_inline_reset_delta_events } true; 249#L776true [2024-11-10 23:19:57,418 INFO L747 eck$LassoCheckResult]: Loop: 249#L776true assume true; 107#L776-1true assume !false;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_#t~nondet8#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet9#1, eval_~tmp_ndt_5~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1; 388#L411true assume !true; 3#L419true assume true; 359#L495true 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_#t~nondet8#1, eval_~tmp_ndt_4~0#1, eval_#t~nondet9#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; 27#L334true assume true;assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 33#L502true assume 0 == ~M_E~0;~M_E~0 := 1; 357#L507true assume 0 == ~T1_E~0;~T1_E~0 := 1; 122#L512true assume !(0 == ~T2_E~0); 412#L517true assume 0 == ~T3_E~0;~T3_E~0 := 1; 191#L522true assume 0 == ~T4_E~0;~T4_E~0 := 1; 425#L527true assume 0 == ~E_1~0;~E_1~0 := 1; 46#L532true assume 0 == ~E_2~0;~E_2~0 := 1; 297#L537true assume 0 == ~E_3~0;~E_3~0 := 1; 348#L542true assume 0 == ~E_4~0;~E_4~0 := 1; 391#L548true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#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; 4#L238-1true assume 1 == ~m_pc~0; 16#L239-1true assume 1 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1; 98#L241-1true assume true;is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1; 306#L250-1true assume true;activate_threads_#t~ret10#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~ret10#1;havoc activate_threads_#t~ret10#1; 197#L615-1true assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0; 312#L621-1true 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; 277#L257-1true assume 1 == ~t1_pc~0; 7#L258-1true assume !(1 == ~E_1~0);is_transmit1_triggered_~__retres1~1#1 := 0; 408#L260-1true assume true;is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1; 308#L269-1true assume true;activate_threads_#t~ret11#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~ret11#1;havoc activate_threads_#t~ret11#1; 280#L623-1true assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0; 406#L629-1true 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; 376#L276-1true assume 1 == ~t2_pc~0; 392#L277-1true assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~2#1 := 1; 446#L279-1true assume true;is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1; 161#L288-1true assume true;activate_threads_#t~ret12#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~ret12#1;havoc activate_threads_#t~ret12#1; 283#L631-1true assume 0 != activate_threads_~tmp___1~0#1;~t2_st~0 := 0; 53#L637-1true 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; 316#L295-1true assume 1 == ~t3_pc~0; 166#L296-1true assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~3#1 := 1; 265#L298-1true assume true;is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~3#1; 364#L307-1true assume true;activate_threads_#t~ret13#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~ret13#1;havoc activate_threads_#t~ret13#1; 271#L639-1true assume 0 != activate_threads_~tmp___2~0#1;~t3_st~0 := 0; 86#L645-1true 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; 389#L314-1true assume 1 == ~t4_pc~0; 204#L315-1true assume 1 == ~E_4~0;is_transmit4_triggered_~__retres1~4#1 := 1; 114#L317-1true assume true;is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~4#1; 239#L326-1true assume true;activate_threads_#t~ret14#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~ret14#1;havoc activate_threads_#t~ret14#1; 128#L647-1true assume 0 != activate_threads_~tmp___3~0#1;~t4_st~0 := 0; 384#L653-1true assume true;havoc activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_#t~ret12#1, activate_threads_#t~ret13#1, activate_threads_#t~ret14#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; 449#L555true assume 1 == ~M_E~0;~M_E~0 := 2; 237#L560true assume 1 == ~T1_E~0;~T1_E~0 := 2; 354#L565true assume 1 == ~T2_E~0;~T2_E~0 := 2; 262#L570true assume 1 == ~T3_E~0;~T3_E~0 := 2; 351#L575true assume 1 == ~T4_E~0;~T4_E~0 := 2; 2#L580true assume 1 == ~E_1~0;~E_1~0 := 2; 404#L585true assume 1 == ~E_2~0;~E_2~0 := 2; 39#L590true assume !(1 == ~E_3~0); 219#L595true assume 1 == ~E_4~0;~E_4~0 := 2; 390#L601true 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; 189#L374-1true assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1; 413#L392-1true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1; 110#L402-1true assume true;start_simulation_#t~ret16#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~ret16#1;havoc start_simulation_#t~ret16#1; 108#L795true assume !(0 == start_simulation_~tmp~3#1); 165#L806true assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret15#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; 342#L374true assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~5#1 := 1; 382#L392true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~5#1; 66#L402true assume true;stop_simulation_#t~ret15#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~ret15#1;havoc stop_simulation_#t~ret15#1; 194#L750true assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 292#L752true assume true;stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 309#L758true assume true;start_simulation_#t~ret17#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret15#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~ret17#1;havoc start_simulation_#t~ret17#1; 315#L808true assume !(0 != start_simulation_~tmp___0~1#1); 249#L776true [2024-11-10 23:19:57,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1707391589, now seen corresponding path program 1 times [2024-11-10 23:19:57,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:57,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351543757] [2024-11-10 23:19:57,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:57,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:57,620 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 23:19:57,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:57,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351543757] [2024-11-10 23:19:57,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351543757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:57,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:57,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:19:57,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822485847] [2024-11-10 23:19:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:57,627 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:19:57,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:57,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1210215364, now seen corresponding path program 1 times [2024-11-10 23:19:57,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:57,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878925968] [2024-11-10 23:19:57,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:57,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:57,664 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 23:19:57,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:57,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878925968] [2024-11-10 23:19:57,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878925968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:57,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:57,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:19:57,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921001001] [2024-11-10 23:19:57,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:57,666 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:19:57,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:19:57,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:19:57,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:19:57,694 INFO L87 Difference]: Start difference. First operand has 451 states, 415 states have (on average 1.5349397590361447) internal successors, (637), 450 states have internal predecessors, (637), 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 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 23:19:57,709 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 23:19:57,713 INFO L158 Benchmark]: Toolchain (without parser) took 1690.88ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 64.7MB in the beginning and 105.4MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:19:57,713 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:19:57,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.82ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 47.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 23:19:57,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.60ms. Allocated memory is still 117.4MB. Free memory was 47.5MB in the beginning and 43.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:57,714 INFO L158 Benchmark]: Boogie Preprocessor took 53.86ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 39.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:57,715 INFO L158 Benchmark]: IcfgBuilder took 847.37ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 39.6MB in the beginning and 75.3MB in the end (delta: -35.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-10 23:19:57,715 INFO L158 Benchmark]: BuchiAutomizer took 411.60ms. Allocated memory is still 155.2MB. Free memory was 75.3MB in the beginning and 105.4MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:19:57,717 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.82ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 47.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.60ms. Allocated memory is still 117.4MB. Free memory was 47.5MB in the beginning and 43.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.86ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 39.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 847.37ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 39.6MB in the beginning and 75.3MB in the end (delta: -35.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 411.60ms. Allocated memory is still 155.2MB. Free memory was 75.3MB in the beginning and 105.4MB in the end (delta: -30.1MB). There was no memory consumed. 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 23:19:57,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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