./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/kundu.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/kundu.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 941010afb19994aa6e2e07f5c4b80f87a4c5e60b4e0ef3217e91339d9dc3aacb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:19:02,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:19:02,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:19:02,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:19:02,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:19:02,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:19:02,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:19:02,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:19:02,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:19:02,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:19:02,189 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:19:02,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:19:02,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:19:02,191 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:19:02,192 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:19:02,192 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:19:02,192 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:19:02,193 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:19:02,193 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:19:02,194 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:19:02,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:19:02,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:19:02,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:19:02,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:19:02,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:19:02,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:19:02,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:19:02,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:19:02,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:19:02,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:19:02,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:19:02,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:19:02,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:19:02,198 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:19:02,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:19:02,199 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:19:02,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:19:02,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:19:02,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:19:02,200 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:19:02,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941010afb19994aa6e2e07f5c4b80f87a4c5e60b4e0ef3217e91339d9dc3aacb [2024-11-10 23:19:02,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:19:02,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:19:02,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:19:02,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:19:02,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:19:02,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/kundu.cil.c [2024-11-10 23:19:03,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:19:04,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:19:04,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/kundu.cil.c [2024-11-10 23:19:04,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a753e41d4/10dbb518d8454651b1a9ffdbf18cbe5a/FLAG06118fe72 [2024-11-10 23:19:04,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a753e41d4/10dbb518d8454651b1a9ffdbf18cbe5a [2024-11-10 23:19:04,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:19:04,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:19:04,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:04,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:19:04,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:19:04,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124b02ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04, skipping insertion in model container [2024-11-10 23:19:04,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:19:04,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:04,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:19:04,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:04,560 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:19:04,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04 WrapperNode [2024-11-10 23:19:04,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:04,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:04,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:19:04,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:19:04,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,612 INFO L138 Inliner]: procedures = 34, calls = 41, calls flagged for inlining = 36, calls inlined = 49, statements flattened = 535 [2024-11-10 23:19:04,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:04,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:19:04,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:19:04,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:19:04,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,639 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,666 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 23:19:04,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,675 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:19:04,687 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:19:04,688 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:19:04,688 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:19:04,689 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (1/1) ... [2024-11-10 23:19:04,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:19:04,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:19:04,723 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 23:19:04,730 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 23:19:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:19:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:19:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:19:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:19:04,886 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:19:04,888 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:19:05,491 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-10 23:19:05,491 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:19:05,510 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:19:05,510 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:19:05,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:05 BoogieIcfgContainer [2024-11-10 23:19:05,511 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:19:05,512 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:19:05,512 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:19:05,516 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:19:05,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:05,517 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:19:04" (1/3) ... [2024-11-10 23:19:05,518 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@924802a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:05, skipping insertion in model container [2024-11-10 23:19:05,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:05,518 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:04" (2/3) ... [2024-11-10 23:19:05,518 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@924802a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:05, skipping insertion in model container [2024-11-10 23:19:05,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:05,518 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:05" (3/3) ... [2024-11-10 23:19:05,520 INFO L332 chiAutomizerObserver]: Analyzing ICFG kundu.cil.c [2024-11-10 23:19:05,568 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:19:05,568 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:19:05,568 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:19:05,568 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:19:05,568 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:19:05,568 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:19:05,568 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:19:05,569 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:19:05,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 220 states, 207 states have (on average 1.497584541062802) internal successors, (310), 219 states have internal predecessors, (310), 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 23:19:05,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 161 [2024-11-10 23:19:05,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:05,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:05,614 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] [2024-11-10 23:19:05,614 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] [2024-11-10 23:19:05,614 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:19:05,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 220 states, 207 states have (on average 1.497584541062802) internal successors, (310), 219 states have internal predecessors, (310), 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 23:19:05,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 161 [2024-11-10 23:19:05,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:05,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:05,630 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] [2024-11-10 23:19:05,630 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] [2024-11-10 23:19:05,636 INFO L745 eck$LassoCheckResult]: Stem: 211#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(12, 2);call #Ultimate.allocInit(12, 3);~max_loop~0 := 0;~clk~0 := 0;~num~0 := 0;~i~0 := 0;~e~0 := 0;~timer~0 := 0;~data_0~0 := 0;~data_1~0 := 0;~P_1_pc~0 := 0;~P_1_st~0 := 0;~P_1_i~0 := 0;~P_1_ev~0 := 0;~P_2_pc~0 := 0;~P_2_st~0 := 0;~P_2_i~0 := 0;~P_2_ev~0 := 0;~C_1_pc~0 := 0;~C_1_st~0 := 0;~C_1_i~0 := 0;~C_1_ev~0 := 0;~C_1_pr~0 := 0; 21#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~count~0#1, main_~__retres2~1#1;havoc main_~count~0#1;havoc main_~__retres2~1#1;~num~0 := 0;~i~0 := 0;~clk~0 := 0;~max_loop~0 := 8;~timer~0 := 0;~P_1_pc~0 := 0;~P_2_pc~0 := 0;~C_1_pc~0 := 0;main_~count~0#1 := 0;assume { :begin_inline_init_model } true;~P_1_i~0 := 1;~P_2_i~0 := 1;~C_1_i~0 := 1; 31#L613true assume true;assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_#t~ret14#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~2#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~2#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true; 38#L298-1true assume true;assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 163#L305true assume !(1 == ~P_1_i~0);~P_1_st~0 := 2; 173#L310true assume !(1 == ~P_2_i~0);~P_2_st~0 := 2; 35#L315true assume !(1 == ~C_1_i~0);~C_1_st~0 := 2; 167#L321true assume true;assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 109#L424-1true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1, activate_threads_~tmp___1~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp___1~1#1;assume { :begin_inline_is_P_1_triggered } true;havoc is_P_1_triggered_#res#1;havoc is_P_1_triggered_~__retres1~0#1;havoc is_P_1_triggered_~__retres1~0#1; 80#L118-3true assume 1 == ~P_1_pc~0; 198#L119-3true assume !(1 == ~P_1_ev~0);is_P_1_triggered_~__retres1~0#1 := 0; 42#L121-3true assume true;is_P_1_triggered_#res#1 := is_P_1_triggered_~__retres1~0#1; 127#L130-3true assume true;activate_threads_#t~ret9#1 := is_P_1_triggered_#res#1;havoc is_P_1_triggered_~__retres1~0#1;assume { :end_inline_is_P_1_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret9#1;havoc activate_threads_#t~ret9#1; 192#L491-3true assume !(0 != activate_threads_~tmp~1#1); 194#L497-3true assume { :begin_inline_is_P_2_triggered } true;havoc is_P_2_triggered_#res#1;havoc is_P_2_triggered_~__retres1~1#1;havoc is_P_2_triggered_~__retres1~1#1; 11#L186-3true assume 1 == ~P_2_pc~0; 105#L187-3true assume !(1 == ~P_2_ev~0);is_P_2_triggered_~__retres1~1#1 := 0; 206#L189-3true assume true;is_P_2_triggered_#res#1 := is_P_2_triggered_~__retres1~1#1; 196#L198-3true assume true;activate_threads_#t~ret10#1 := is_P_2_triggered_#res#1;havoc is_P_2_triggered_~__retres1~1#1;assume { :end_inline_is_P_2_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret10#1;havoc activate_threads_#t~ret10#1; 203#L499-3true assume !(0 != activate_threads_~tmp___0~1#1); 208#L505-3true assume { :begin_inline_is_C_1_triggered } true;havoc is_C_1_triggered_#res#1;havoc is_C_1_triggered_~__retres1~2#1;havoc is_C_1_triggered_~__retres1~2#1; 178#L268-3true assume 1 == ~C_1_pc~0; 9#L269-3true assume 1 == ~e~0;is_C_1_triggered_~__retres1~2#1 := 1; 174#L271-3true assume true;is_C_1_triggered_#res#1 := is_C_1_triggered_~__retres1~2#1; 96#L290-3true assume true;activate_threads_#t~ret11#1 := is_C_1_triggered_#res#1;havoc is_C_1_triggered_~__retres1~2#1;assume { :end_inline_is_C_1_triggered } true;activate_threads_~tmp___1~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1; 134#L507-3true assume 0 != activate_threads_~tmp___1~1#1;~C_1_st~0 := 0; 154#L513-3true assume true;havoc activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1, activate_threads_~tmp___1~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true; 67#L432-1true assume true;assume { :end_inline_reset_delta_events } true; 64#L561true [2024-11-10 23:19:05,637 INFO L747 eck$LassoCheckResult]: Loop: 64#L561true assume true; 187#L561-1true assume !false;assume true;start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1; 49#L357true assume !true; 44#L365true assume true; 12#L416true assume true;havoc eval_#t~ret5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true; 145#L298true assume true;assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 202#L424true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1, activate_threads_~tmp___1~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp___1~1#1;assume { :begin_inline_is_P_1_triggered } true;havoc is_P_1_triggered_#res#1;havoc is_P_1_triggered_~__retres1~0#1;havoc is_P_1_triggered_~__retres1~0#1; 46#L118-1true assume 1 == ~P_1_pc~0; 144#L119-1true assume 1 == ~P_1_ev~0;is_P_1_triggered_~__retres1~0#1 := 1; 93#L121-1true assume true;is_P_1_triggered_#res#1 := is_P_1_triggered_~__retres1~0#1; 218#L130-1true assume true;activate_threads_#t~ret9#1 := is_P_1_triggered_#res#1;havoc is_P_1_triggered_~__retres1~0#1;assume { :end_inline_is_P_1_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret9#1;havoc activate_threads_#t~ret9#1; 33#L491-1true assume !(0 != activate_threads_~tmp~1#1); 27#L497-1true assume { :begin_inline_is_P_2_triggered } true;havoc is_P_2_triggered_#res#1;havoc is_P_2_triggered_~__retres1~1#1;havoc is_P_2_triggered_~__retres1~1#1; 139#L186-1true assume 1 == ~P_2_pc~0; 190#L187-1true assume 1 == ~P_2_ev~0;is_P_2_triggered_~__retres1~1#1 := 1; 32#L189-1true assume true;is_P_2_triggered_#res#1 := is_P_2_triggered_~__retres1~1#1; 83#L198-1true assume true;activate_threads_#t~ret10#1 := is_P_2_triggered_#res#1;havoc is_P_2_triggered_~__retres1~1#1;assume { :end_inline_is_P_2_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret10#1;havoc activate_threads_#t~ret10#1; 34#L499-1true assume 0 != activate_threads_~tmp___0~1#1;~P_2_st~0 := 0; 54#L505-1true assume { :begin_inline_is_C_1_triggered } true;havoc is_C_1_triggered_#res#1;havoc is_C_1_triggered_~__retres1~2#1;havoc is_C_1_triggered_~__retres1~2#1; 63#L268-1true assume 1 == ~C_1_pc~0; 85#L269-1true assume 1 == ~e~0;is_C_1_triggered_~__retres1~2#1 := 1; 17#L271-1true assume true;is_C_1_triggered_#res#1 := is_C_1_triggered_~__retres1~2#1; 104#L290-1true assume true;activate_threads_#t~ret11#1 := is_C_1_triggered_#res#1;havoc is_C_1_triggered_~__retres1~2#1;assume { :end_inline_is_C_1_triggered } true;activate_threads_~tmp___1~1#1 := activate_threads_#t~ret11#1;havoc activate_threads_#t~ret11#1; 14#L507-1true assume 0 != activate_threads_~tmp___1~1#1;~C_1_st~0 := 0; 13#L513-1true assume true;havoc activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_#t~ret11#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1, activate_threads_~tmp___1~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true; 182#L432true 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_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1; 71#L328-1true assume 0 == ~P_1_st~0;exists_runnable_thread_~__retres1~3#1 := 1; 86#L338-1true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1; 18#L346-1true assume true;start_simulation_#t~ret13#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1; 2#L580true assume !(0 == start_simulation_~tmp~3#1); 98#L591true assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1; 193#L328true assume 0 == ~P_1_st~0;exists_runnable_thread_~__retres1~3#1 := 1; 43#L338true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1; 37#L346true assume true;stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1; 180#L535true assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 77#L537true assume true;stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 40#L543true assume true;start_simulation_#t~ret14#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~2#1 := start_simulation_#t~ret14#1;havoc start_simulation_#t~ret14#1; 72#L593true assume !(0 != start_simulation_~tmp___0~2#1); 64#L561true [2024-11-10 23:19:05,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:05,642 INFO L85 PathProgramCache]: Analyzing trace with hash -2117420966, now seen corresponding path program 1 times [2024-11-10 23:19:05,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:05,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834079607] [2024-11-10 23:19:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:05,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:05,884 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 23:19:05,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:05,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834079607] [2024-11-10 23:19:05,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834079607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:05,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:05,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:19:05,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587152015] [2024-11-10 23:19:05,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:05,892 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:19:05,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:05,896 INFO L85 PathProgramCache]: Analyzing trace with hash -520048342, now seen corresponding path program 1 times [2024-11-10 23:19:05,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:05,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167218120] [2024-11-10 23:19:05,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:05,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:05,940 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 23:19:05,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:05,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167218120] [2024-11-10 23:19:05,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167218120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:05,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:05,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:19:05,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960530588] [2024-11-10 23:19:05,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:05,947 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:19:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:19:05,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:19:05,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:19:05,985 INFO L87 Difference]: Start difference. First operand has 220 states, 207 states have (on average 1.497584541062802) internal successors, (310), 219 states have internal predecessors, (310), 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 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 23:19:05,997 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 23:19:06,002 INFO L158 Benchmark]: Toolchain (without parser) took 1776.92ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 97.0MB in the beginning and 149.1MB in the end (delta: -52.1MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-10 23:19:06,002 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:19:06,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.92ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 80.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 23:19:06,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.15ms. Allocated memory is still 155.2MB. Free memory was 80.6MB in the beginning and 77.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:19:06,004 INFO L158 Benchmark]: Boogie Preprocessor took 69.53ms. Allocated memory is still 155.2MB. Free memory was 77.7MB in the beginning and 75.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:06,004 INFO L158 Benchmark]: IcfgBuilder took 823.41ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 75.0MB in the beginning and 175.3MB in the end (delta: -100.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-10 23:19:06,005 INFO L158 Benchmark]: BuchiAutomizer took 488.26ms. Allocated memory is still 230.7MB. Free memory was 175.3MB in the beginning and 149.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:06,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.92ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 80.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.15ms. Allocated memory is still 155.2MB. Free memory was 80.6MB in the beginning and 77.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.53ms. Allocated memory is still 155.2MB. Free memory was 77.7MB in the beginning and 75.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 823.41ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 75.0MB in the beginning and 175.3MB in the end (delta: -100.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 488.26ms. Allocated memory is still 230.7MB. Free memory was 175.3MB in the beginning and 149.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. 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 23:19:06,031 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