./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i --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/uthash-2.0.2/uthash_OAT_test9-1.i -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 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:33:35,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:33:35,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:33:35,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:33:35,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:33:35,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:33:35,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:33:35,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:33:35,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:33:35,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:33:35,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:33:35,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:33:35,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:33:35,595 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:33:35,595 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:33:35,595 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:33:35,596 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:33:35,596 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:33:35,596 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:33:35,596 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:33:35,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:33:35,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:33:35,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:33:35,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:33:35,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:33:35,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:33:35,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:33:35,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:33:35,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:33:35,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:33:35,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:33:35,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:33:35,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:33:35,601 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:33:35,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:33:35,601 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:33:35,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:33:35,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:33:35,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:33:35,602 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:33:35,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2024-11-10 23:33:35,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:33:35,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:33:35,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:33:35,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:33:35,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:33:35,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2024-11-10 23:33:37,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:33:37,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:33:37,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2024-11-10 23:33:37,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1d9416a/b68f3b8617ca486294907da052f4729e/FLAGc91b11740 [2024-11-10 23:33:37,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1d9416a/b68f3b8617ca486294907da052f4729e [2024-11-10 23:33:37,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:33:37,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:33:37,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:33:37,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:33:37,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:33:37,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:33:37" (1/1) ... [2024-11-10 23:33:37,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299ae7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:37, skipping insertion in model container [2024-11-10 23:33:37,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:33:37" (1/1) ... [2024-11-10 23:33:37,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:33:38,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:33:38,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:33:38,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:33:38,406 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:33:38,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38 WrapperNode [2024-11-10 23:33:38,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:33:38,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:33:38,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:33:38,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:33:38,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,590 INFO L138 Inliner]: procedures = 177, calls = 724, calls flagged for inlining = 505, calls inlined = 1004, statements flattened = 5759 [2024-11-10 23:33:38,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:33:38,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:33:38,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:33:38,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:33:38,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,699 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-10 23:33:38,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:33:38,816 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:33:38,816 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:33:38,816 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:33:38,817 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (1/1) ... [2024-11-10 23:33:38,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:33:38,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:33:38,847 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 23:33:38,917 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 23:33:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 23:33:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 23:33:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 23:33:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 23:33:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 23:33:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 23:33:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 23:33:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 23:33:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 23:33:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 23:33:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 23:33:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 23:33:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 23:33:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:33:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 23:33:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 23:33:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:33:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:33:39,119 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:33:39,121 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:33:41,873 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-10 23:33:42,057 INFO L? ?]: Removed 3296 outVars from TransFormulas that were not future-live. [2024-11-10 23:33:42,057 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:33:42,109 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:33:42,109 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 23:33:42,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:33:42 BoogieIcfgContainer [2024-11-10 23:33:42,110 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:33:42,110 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:33:42,110 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:33:42,113 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:33:42,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:33:42,114 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:33:37" (1/3) ... [2024-11-10 23:33:42,114 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57b1b116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:33:42, skipping insertion in model container [2024-11-10 23:33:42,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:33:42,115 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:38" (2/3) ... [2024-11-10 23:33:42,115 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57b1b116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:33:42, skipping insertion in model container [2024-11-10 23:33:42,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:33:42,115 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:33:42" (3/3) ... [2024-11-10 23:33:42,116 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2024-11-10 23:33:42,174 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:33:42,175 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:33:42,175 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:33:42,175 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:33:42,175 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:33:42,175 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:33:42,175 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:33:42,175 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:33:42,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2870 states, 2865 states have (on average 1.6010471204188481) internal successors, (4587), 2865 states have internal predecessors, (4587), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 23:33:42,245 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 2859 [2024-11-10 23:33:42,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:33:42,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:33:42,250 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:33:42,250 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-10 23:33:42,251 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:33:42,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2870 states, 2865 states have (on average 1.6010471204188481) internal successors, (4587), 2865 states have internal predecessors, (4587), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 23:33:42,268 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 2859 [2024-11-10 23:33:42,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:33:42,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:33:42,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:33:42,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-10 23:33:42,273 INFO L745 eck$LassoCheckResult]: Stem: 693#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);~count_int_int~0 := 0; 1445#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~bitwise22#1, main_#t~bitwise23#1, main_#t~bitwise24#1, main_#t~bitwise25#1, main_#t~bitwise26#1, main_#t~bitwise27#1, main_#t~bitwise28#1, main_#t~bitwise29#1, main_#t~bitwise30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~bitwise43#1, main_#t~bitwise44#1, main_#t~bitwise45#1, main_#t~bitwise46#1, main_#t~bitwise47#1, main_#t~bitwise48#1, main_#t~bitwise49#1, main_#t~bitwise50#1, main_#t~bitwise51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~bitwise82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1, main_#t~memset~res100#1.base, main_#t~memset~res100#1.offset, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1.base, main_#t~mem102#1.offset, main_#t~mem105#1, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1, main_#t~bitwise106#1, main_#t~mem107#1.base, main_#t~mem107#1.offset, main_#t~mem110#1, main_#t~mem108#1.base, main_#t~mem108#1.offset, main_#t~mem109#1, main_#t~bitwise111#1, main_#t~mem112#1.base, main_#t~mem112#1.offset, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem121#1, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1, main_#t~bitwise122#1, main_#t~mem123#1, main_#t~pre124#1, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~mem127#1.base, main_#t~mem127#1.offset, main_#t~mem128#1, main_#t~post129#1, main_#t~mem133#1, main_#t~mem131#1, main_#t~mem130#1.base, main_#t~mem130#1.offset, main_#t~mem132#1, main_#t~mem134#1, main_#t~post135#1, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~mem137#1.base, main_#t~mem137#1.offset, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1, main_#t~post146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1.base, main_#t~mem149#1.offset, main_#t~mem152#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1, main_#t~ite155#1, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem154#1, main_#t~mem156#1.base, main_#t~mem156#1.offset, main_#t~mem157#1, main_#t~mem158#1.base, main_#t~mem158#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~_he_new_buckets~0#1.base, main_~_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem159#1, main_#t~post160#1, main_#t~mem161#1, main_#t~mem163#1, main_#t~mem162#1, main_#t~mem164#1, main_#t~mem165#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~bitwise174#1, main_#t~bitwise175#1, main_#t~bitwise176#1, main_#t~bitwise177#1, main_#t~bitwise178#1, main_#t~bitwise179#1, main_#t~bitwise180#1, main_#t~bitwise181#1, main_#t~bitwise182#1, main_#t~switch183#1, main_#t~mem184#1, main_#t~mem185#1, main_#t~mem186#1, main_#t~mem187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~bitwise195#1, main_#t~bitwise196#1, main_#t~bitwise197#1, main_#t~bitwise198#1, main_#t~bitwise199#1, main_#t~bitwise200#1, main_#t~bitwise201#1, main_#t~bitwise202#1, main_#t~bitwise203#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem204#1.base, main_#t~mem204#1.offset, main_#t~mem205#1, main_#t~bitwise206#1, main_#t~mem207#1.base, main_#t~mem207#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1.base, main_#t~mem209#1.offset, main_#t~mem210#1.base, main_#t~mem210#1.offset, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1, main_#t~mem215#1, main_#t~mem216#1, main_#t~short217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~nondet219#1, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1.base, main_#t~mem221#1.offset, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem224#1, main_#t~mem225#1, main_#t~mem226#1, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int#1(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2693#L2220true [2024-11-10 23:33:42,273 INFO L747 eck$LassoCheckResult]: Loop: 2693#L2220true assume true;call main_#t~mem5#1 := read~int#1(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 308#L2220-2true assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1019#L2222true assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2585#L2225true call main_#t~mem7#1 := read~int#1(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#2(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#1(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int#1(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#2(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 2203#L2227true assume !true; 1579#L2220-1true call main_#t~mem159#1 := read~int#1(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post160#1 := main_#t~mem159#1;call write~int#1(1 + main_#t~post160#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem159#1;havoc main_#t~post160#1; 2693#L2220true [2024-11-10 23:33:42,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:33:42,277 INFO L85 PathProgramCache]: Analyzing trace with hash 197824, now seen corresponding path program 1 times [2024-11-10 23:33:42,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:33:42,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421962763] [2024-11-10 23:33:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:33:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:33:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:33:42,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:33:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:33:42,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:33:42,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:33:42,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1888498898, now seen corresponding path program 1 times [2024-11-10 23:33:42,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:33:42,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286646644] [2024-11-10 23:33:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:33:42,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:33:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:33:42,442 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 23:33:42,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:33:42,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286646644] [2024-11-10 23:33:42,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286646644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:33:42,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:33:42,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:33:42,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969036805] [2024-11-10 23:33:42,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:33:42,450 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:33:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:33:42,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 23:33:42,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 23:33:42,487 INFO L87 Difference]: Start difference. First operand has 2870 states, 2865 states have (on average 1.6010471204188481) internal successors, (4587), 2865 states have internal predecessors, (4587), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 23:33:42,543 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 23:33:42,554 INFO L158 Benchmark]: Toolchain (without parser) took 4931.72ms. Allocated memory was 216.0MB in the beginning and 432.0MB in the end (delta: 216.0MB). Free memory was 144.3MB in the beginning and 208.7MB in the end (delta: -64.4MB). Peak memory consumption was 153.6MB. Max. memory is 16.1GB. [2024-11-10 23:33:42,555 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:33:42,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.04ms. Allocated memory is still 216.0MB. Free memory was 144.0MB in the beginning and 156.1MB in the end (delta: -12.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-10 23:33:42,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.62ms. Allocated memory is still 216.0MB. Free memory was 156.1MB in the beginning and 127.9MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 23:33:42,556 INFO L158 Benchmark]: Boogie Preprocessor took 222.75ms. Allocated memory is still 216.0MB. Free memory was 127.9MB in the beginning and 93.4MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-10 23:33:42,557 INFO L158 Benchmark]: IcfgBuilder took 3294.10ms. Allocated memory was 216.0MB in the beginning and 432.0MB in the end (delta: 216.0MB). Free memory was 93.2MB in the beginning and 269.5MB in the end (delta: -176.3MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. [2024-11-10 23:33:42,557 INFO L158 Benchmark]: BuchiAutomizer took 443.04ms. Allocated memory is still 432.0MB. Free memory was 268.4MB in the beginning and 208.7MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-10 23:33:42,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.04ms. Allocated memory is still 216.0MB. Free memory was 144.0MB in the beginning and 156.1MB in the end (delta: -12.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.62ms. Allocated memory is still 216.0MB. Free memory was 156.1MB in the beginning and 127.9MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 222.75ms. Allocated memory is still 216.0MB. Free memory was 127.9MB in the beginning and 93.4MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * IcfgBuilder took 3294.10ms. Allocated memory was 216.0MB in the beginning and 432.0MB in the end (delta: 216.0MB). Free memory was 93.2MB in the beginning and 269.5MB in the end (delta: -176.3MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 443.04ms. Allocated memory is still 432.0MB. Free memory was 268.4MB in the beginning and 208.7MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. 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 23:33:42,584 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