./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/mem_slave_tlm.1.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/mem_slave_tlm.1.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 c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:19:05,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:19:05,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:19:05,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:19:05,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:19:05,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:19:05,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:19:05,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:19:05,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:19:05,231 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:19:05,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:19:05,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:19:05,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:19:05,232 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:19:05,232 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:19:05,233 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:19:05,233 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:19:05,233 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:19:05,234 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:19:05,234 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:19:05,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:19:05,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:19:05,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:19:05,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:19:05,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:19:05,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:19:05,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:19:05,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:19:05,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:19:05,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:19:05,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:19:05,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:19:05,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:19:05,237 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:19:05,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:19:05,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:19:05,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:19:05,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:19:05,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:19:05,239 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:19:05,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 [2024-11-10 23:19:05,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:19:05,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:19:05,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:19:05,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:19:05,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:19:05,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c [2024-11-10 23:19:06,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:19:06,908 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:19:06,909 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c [2024-11-10 23:19:06,925 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a23fa08/7b2fae894e0c4dcf8f5dbfb1e40f6b65/FLAG5f322637e [2024-11-10 23:19:07,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a23fa08/7b2fae894e0c4dcf8f5dbfb1e40f6b65 [2024-11-10 23:19:07,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:19:07,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:19:07,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:07,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:19:07,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:19:07,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59316d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07, skipping insertion in model container [2024-11-10 23:19:07,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:19:07,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:07,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:19:07,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:07,693 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:19:07,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07 WrapperNode [2024-11-10 23:19:07,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:07,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:07,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:19:07,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:19:07,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,742 INFO L138 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 856 [2024-11-10 23:19:07,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:07,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:19:07,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:19:07,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:19:07,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,768 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 23:19:07,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,776 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:19:07,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:19:07,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:19:07,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:19:07,785 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (1/1) ... [2024-11-10 23:19:07,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:19:07,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:19:07,817 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 23:19:07,839 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 23:19:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:19:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:19:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:19:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:19:07,969 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:19:07,971 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:19:08,523 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-10 23:19:08,523 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:19:08,538 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:19:08,538 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:19:08,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:08 BoogieIcfgContainer [2024-11-10 23:19:08,539 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:19:08,540 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:19:08,540 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:19:08,543 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:19:08,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:08,544 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:19:07" (1/3) ... [2024-11-10 23:19:08,544 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1104762e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:08, skipping insertion in model container [2024-11-10 23:19:08,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:08,545 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:07" (2/3) ... [2024-11-10 23:19:08,545 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1104762e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:08, skipping insertion in model container [2024-11-10 23:19:08,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:08,545 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:08" (3/3) ... [2024-11-10 23:19:08,546 INFO L332 chiAutomizerObserver]: Analyzing ICFG mem_slave_tlm.1.cil.c [2024-11-10 23:19:08,594 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:19:08,594 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:19:08,594 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:19:08,594 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:19:08,594 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:19:08,594 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:19:08,595 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:19:08,595 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:19:08,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 346 states, 345 states have (on average 1.6463768115942028) internal successors, (568), 345 states have internal predecessors, (568), 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 23:19:08,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 315 [2024-11-10 23:19:08,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:08,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:08,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:08,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:08,632 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:19:08,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 346 states, 345 states have (on average 1.6463768115942028) internal successors, (568), 345 states have internal predecessors, (568), 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 23:19:08,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 315 [2024-11-10 23:19:08,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:08,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:08,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:08,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:08,650 INFO L745 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(22, 2);call #Ultimate.allocInit(12, 3);~m_run_st~0 := 0;~m_run_i~0 := 0;~m_run_pc~0 := 0;~s_memory0~0 := 0;~s_run_st~0 := 0;~s_run_i~0 := 0;~s_run_pc~0 := 0;~c_m_lock~0 := 0;~c_m_ev~0 := 0;~c_req_type~0 := 0;~c_req_a~0 := 0;~c_req_d~0 := 0;~c_rsp_type~0 := 0;~c_rsp_status~0 := 0;~c_rsp_d~0 := 0;~c_empty_req~0 := 0;~c_empty_rsp~0 := 0;~c_read_req_ev~0 := 0;~c_write_req_ev~0 := 0;~c_read_rsp_ev~0 := 0;~c_write_rsp_ev~0 := 0;~d_t~0 := 0;~a_t~0 := 0;~req_t_type~0 := 0;~req_t_a~0 := 0;~req_t_d~0 := 0;~rsp_t_type~0 := 0;~rsp_t_status~0 := 0;~rsp_t_d~0 := 0;~req_tt_type~0 := 0;~req_tt_a~0 := 0;~req_tt_d~0 := 0;~rsp_tt_type~0 := 0;~rsp_tt_status~0 := 0;~rsp_tt_d~0 := 0;~req_t_type___0~0 := 0;~req_t_a___0~0 := 0;~req_t_d___0~0 := 0;~rsp_t_type___0~0 := 0;~rsp_t_status___0~0 := 0;~rsp_t_d___0~0 := 0; 36#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~c_m_lock~0 := 0;~c_m_ev~0 := 2;~m_run_i~0 := 1;~m_run_pc~0 := 0;~s_run_i~0 := 1;~s_run_pc~0 := 0;~c_empty_req~0 := 1;~c_empty_rsp~0 := 1;~c_read_req_ev~0 := 2;~c_write_req_ev~0 := 2;~c_read_rsp_ev~0 := 2;~c_write_rsp_ev~0 := 2;~c_m_lock~0 := 0;~c_m_ev~0 := 2;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 280#L1172true assume 1 == ~m_run_i~0;~m_run_st~0 := 0; 160#L1177true assume !(1 == ~s_run_i~0);~s_run_st~0 := 2; 297#L1182true assume 1 == ~m_run_pc~0; 105#L1183true assume 1 == ~c_m_ev~0;~m_run_st~0 := 0; 240#L1236true assume 2 == ~s_run_pc~0; 181#L1237true assume 1 == ~c_write_req_ev~0;~s_run_st~0 := 0; 331#L1255true [2024-11-10 23:19:08,651 INFO L747 eck$LassoCheckResult]: Loop: 331#L1255true assume true; 210#L1255-1true assume !false;assume true;start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet5#1, eval_#t~nondet6#1, eval_~tmp~0#1, eval_~tmp___0~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1; 290#L1119true assume !true; 144#L1127true assume true; 295#L1164true assume true;havoc eval_#t~nondet5#1, eval_#t~nondet6#1, eval_~tmp~0#1, eval_~tmp___0~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;start_simulation_~kernel_st~0#1 := 3; 301#L1263true assume 1 == ~m_run_pc~0; 60#L1264true assume 1 == ~c_m_ev~0;~m_run_st~0 := 0; 86#L1317true assume 2 == ~s_run_pc~0; 239#L1318true assume 1 == ~c_write_req_ev~0;~s_run_st~0 := 0; 218#L1335true assume 0 == ~m_run_st~0; 331#L1255true [2024-11-10 23:19:08,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:08,656 INFO L85 PathProgramCache]: Analyzing trace with hash 2105773751, now seen corresponding path program 1 times [2024-11-10 23:19:08,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:08,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293616305] [2024-11-10 23:19:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:08,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:08,803 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 23:19:08,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:08,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293616305] [2024-11-10 23:19:08,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293616305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:08,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:08,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:19:08,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297969876] [2024-11-10 23:19:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:08,810 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:19:08,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:08,811 INFO L85 PathProgramCache]: Analyzing trace with hash 498482680, now seen corresponding path program 1 times [2024-11-10 23:19:08,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:08,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217843108] [2024-11-10 23:19:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:08,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:08,824 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 23:19:08,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:08,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217843108] [2024-11-10 23:19:08,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217843108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:08,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:08,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:19:08,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219613472] [2024-11-10 23:19:08,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:08,826 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:19:08,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:19:08,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:19:08,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:19:08,863 INFO L87 Difference]: Start difference. First operand has 346 states, 345 states have (on average 1.6463768115942028) internal successors, (568), 345 states have internal predecessors, (568), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 23:19:08,902 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 23:19:08,908 INFO L158 Benchmark]: Toolchain (without parser) took 1622.40ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 86.3MB in the beginning and 97.6MB in the end (delta: -11.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-10 23:19:08,908 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:19:08,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.17ms. Allocated memory is still 157.3MB. Free memory was 86.3MB in the beginning and 63.4MB in the end (delta: 22.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:19:08,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.51ms. Allocated memory is still 157.3MB. Free memory was 63.4MB in the beginning and 59.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:08,909 INFO L158 Benchmark]: Boogie Preprocessor took 40.16ms. Allocated memory is still 157.3MB. Free memory was 59.8MB in the beginning and 56.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:08,910 INFO L158 Benchmark]: IcfgBuilder took 755.03ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 56.6MB in the beginning and 123.8MB in the end (delta: -67.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-10 23:19:08,910 INFO L158 Benchmark]: BuchiAutomizer took 367.15ms. Allocated memory is still 203.4MB. Free memory was 123.8MB in the beginning and 97.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:08,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.17ms. Allocated memory is still 157.3MB. Free memory was 86.3MB in the beginning and 63.4MB in the end (delta: 22.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.51ms. Allocated memory is still 157.3MB. Free memory was 63.4MB in the beginning and 59.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.16ms. Allocated memory is still 157.3MB. Free memory was 59.8MB in the beginning and 56.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 755.03ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 56.6MB in the beginning and 123.8MB in the end (delta: -67.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 367.15ms. Allocated memory is still 203.4MB. Free memory was 123.8MB in the beginning and 97.6MB 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 23:19:08,937 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