./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.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_test7-1.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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:33:27,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:33:27,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:33:27,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:33:27,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:33:27,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:33:27,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:33:27,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:33:27,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:33:27,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:33:27,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:33:27,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:33:27,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:33:27,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:33:27,660 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:33:27,660 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:33:27,663 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:33:27,663 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:33:27,664 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:33:27,664 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:33:27,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:33:27,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:33:27,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:33:27,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:33:27,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:33:27,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:33:27,667 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:33:27,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:33:27,668 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:33:27,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:33:27,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:33:27,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:33:27,679 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:33:27,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2024-11-10 23:33:27,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:33:27,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:33:27,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:33:27,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:33:27,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:33:27,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2024-11-10 23:33:29,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:33:29,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:33:29,420 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2024-11-10 23:33:29,434 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8519706bc/1630852e65ee4266bf437c0edfb7dc48/FLAG4c541bf35 [2024-11-10 23:33:29,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8519706bc/1630852e65ee4266bf437c0edfb7dc48 [2024-11-10 23:33:29,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:33:29,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:33:29,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:33:29,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:33:29,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:33:29,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:33:29" (1/1) ... [2024-11-10 23:33:29,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f0be69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:29, skipping insertion in model container [2024-11-10 23:33:29,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:33:29" (1/1) ... [2024-11-10 23:33:29,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:33:30,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:33:30,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:33:30,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:33:30,603 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:33:30,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30 WrapperNode [2024-11-10 23:33:30,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:33:30,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:33:30,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:33:30,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:33:30,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,698 INFO L138 Inliner]: procedures = 176, calls = 272, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 1397 [2024-11-10 23:33:30,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:33:30,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:33:30,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:33:30,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:33:30,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,783 INFO L175 MemorySlicer]: Split 253 memory accesses to 3 slices as follows [2, 217, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-11-10 23:33:30,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,820 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:33:30,849 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:33:30,849 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:33:30,849 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:33:30,850 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (1/1) ... [2024-11-10 23:33:30,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:33:30,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:33:30,884 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 23:33:30,890 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 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 23:33:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 23:33:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 23:33:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 23:33:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 23:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 23:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 23:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 23:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 23:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 23:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 23:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 23:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 23:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 23:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 23:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 23:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:33:30,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:33:31,078 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:33:31,080 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:33:32,015 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: 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 23:33:32,087 INFO L? ?]: Removed 310 outVars from TransFormulas that were not future-live. [2024-11-10 23:33:32,088 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:33:32,134 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:33:32,137 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 23:33:32,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:33:32 BoogieIcfgContainer [2024-11-10 23:33:32,138 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:33:32,138 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:33:32,139 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:33:32,142 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:33:32,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:33:32,142 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:33:29" (1/3) ... [2024-11-10 23:33:32,143 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ddf610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:33:32, skipping insertion in model container [2024-11-10 23:33:32,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:33:32,143 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:33:30" (2/3) ... [2024-11-10 23:33:32,143 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ddf610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:33:32, skipping insertion in model container [2024-11-10 23:33:32,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:33:32,144 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:33:32" (3/3) ... [2024-11-10 23:33:32,145 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_OAT_test7-1.i [2024-11-10 23:33:32,184 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:33:32,184 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:33:32,184 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:33:32,184 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:33:32,184 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:33:32,185 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:33:32,185 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:33:32,185 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:33:32,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 401 states, 396 states have (on average 1.6136363636363635) internal successors, (639), 396 states have internal predecessors, (639), 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 23:33:32,216 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 389 [2024-11-10 23:33:32,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:33:32,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:33:32,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:33:32,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-10 23:33:32,220 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:33:32,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 401 states, 396 states have (on average 1.6136363636363635) internal successors, (639), 396 states have internal predecessors, (639), 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 23:33:32,229 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 389 [2024-11-10 23:33:32,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:33:32,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:33:32,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:33:32,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-10 23:33:32,233 INFO L745 eck$LassoCheckResult]: Stem: 388#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); 38#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem12#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem17#1, main_#t~mem16#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~bitwise20#1, main_#t~bitwise21#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~switch29#1, main_#t~mem30#1, main_#t~mem31#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~bitwise41#1, main_#t~bitwise42#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_~_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~malloc50#1.base, main_#t~malloc50#1.offset, main_#t~mem51#1.base, main_#t~mem51#1.offset, main_#t~mem52#1.base, main_#t~mem52#1.offset, main_#t~memset~res53#1.base, main_#t~memset~res53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~mem55#1.base, main_#t~mem55#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~malloc59#1.base, main_#t~malloc59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1.base, main_#t~mem61#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~memset~res66#1.base, main_#t~memset~res66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~mem68#1.base, main_#t~mem68#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, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1.base, main_#t~mem73#1.offset, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1, main_#t~post77#1, main_#t~mem78#1.base, main_#t~mem78#1.offset, main_#t~mem79#1, main_#t~bitwise80#1, main_#t~mem81#1.base, main_#t~mem81#1.offset, main_#t~mem82#1.base, main_#t~mem82#1.offset, main_#t~mem83#1, main_#t~post84#1, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem89#1, main_#t~mem88#1, main_#t~mem90#1.base, main_#t~mem90#1.offset, main_#t~mem91#1, main_#t~short92#1, main_#t~mem93#1.base, main_#t~mem93#1.offset, main_#t~mem94#1, main_#t~malloc95#1.base, main_#t~malloc95#1.offset, main_#t~mem96#1.base, main_#t~mem96#1.offset, main_#t~mem97#1, main_#t~memset~res98#1.base, main_#t~memset~res98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem103#1, main_#t~mem101#1.base, main_#t~mem101#1.offset, main_#t~mem102#1, main_#t~bitwise104#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem108#1, main_#t~mem106#1.base, main_#t~mem106#1.offset, main_#t~mem107#1, main_#t~bitwise109#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1.base, main_#t~mem111#1.offset, main_#t~mem112#1, main_#t~mem113#1.base, main_#t~mem113#1.offset, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem115#1.base, main_#t~mem115#1.offset, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem119#1, main_#t~mem117#1.base, main_#t~mem117#1.offset, main_#t~mem118#1, main_#t~bitwise120#1, main_#t~mem121#1, main_#t~pre122#1, main_#t~mem123#1.base, main_#t~mem123#1.offset, main_#t~mem124#1, main_#t~mem125#1.base, main_#t~mem125#1.offset, main_#t~mem126#1, main_#t~post127#1, main_#t~mem131#1, main_#t~mem129#1, main_#t~mem128#1.base, main_#t~mem128#1.offset, main_#t~mem130#1, main_#t~mem132#1, main_#t~post133#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem135#1.base, main_#t~mem135#1.offset, main_#t~mem136#1.base, main_#t~mem136#1.offset, main_#t~post137#1, main_#t~mem138#1.base, main_#t~mem138#1.offset, main_#t~mem139#1.base, main_#t~mem139#1.offset, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~mem143#1, main_#t~post144#1, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1.base, main_#t~mem146#1.offset, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem150#1, main_#t~mem148#1.base, main_#t~mem148#1.offset, main_#t~mem149#1, main_#t~ite153#1, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~mem156#1.base, main_#t~mem156#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~mem157#1, main_#t~post158#1, main_#t~mem159#1, main_#t~mem161#1, main_#t~mem160#1, main_#t~mem162#1, main_#t~mem163#1, main_#t~mem165#1, main_#t~mem164#1, main_#t~mem166#1, main_#t~mem167#1, main_#t~mem169#1, main_#t~mem168#1, main_#t~mem170#1, main_#t~mem171#1, main_#t~bitwise172#1, main_#t~bitwise173#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~switch181#1, main_#t~mem182#1, main_#t~mem183#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~bitwise193#1, main_#t~bitwise194#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_~_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~mem202#1.base, main_#t~mem202#1.offset, main_#t~mem203#1, main_#t~bitwise204#1, main_#t~mem205#1.base, main_#t~mem205#1.offset, main_#t~mem206#1.base, main_#t~mem206#1.offset, 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, main_#t~mem213#1, main_#t~mem214#1, main_#t~short215#1, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~nondet217#1, main_#t~mem218#1.base, main_#t~mem218#1.offset, main_#t~mem219#1.base, main_#t~mem219#1.offset, main_#t~mem220#1.base, main_#t~mem220#1.offset, main_#t~mem221#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~mem223#1.base, main_#t~mem223#1.offset, main_#t~short224#1, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1.base, main_#t~mem227#1.offset, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~mem230#1.base, main_#t~mem230#1.offset, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1.base, main_#t~mem239#1.offset, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem247#1, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1, main_#t~bitwise248#1, main_#t~mem249#1.base, main_#t~mem249#1.offset, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem251#1, main_#t~post252#1, main_#t~mem253#1.base, main_#t~mem253#1.offset, main_#t~mem254#1.base, main_#t~mem254#1.offset, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1.base, main_#t~mem257#1.offset, main_#t~mem258#1.base, main_#t~mem258#1.offset, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1, main_#t~post263#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem264#1, main_#t~post265#1, main_#t~mem266#1.base, main_#t~mem266#1.offset, 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#2(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 214#L715true [2024-11-10 23:33:32,233 INFO L747 eck$LassoCheckResult]: Loop: 214#L715true assume true;call main_#t~mem3#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 312#L715-2true assume !!(main_#t~mem3#1 < 1000);havoc main_#t~mem3#1;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~malloc4#1.base, main_#t~malloc4#1.offset; 30#L717true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 230#L720true call main_#t~mem5#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#1(main_#t~mem5#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int#1(main_#t~mem6#1 * main_#t~mem7#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem6#1;havoc main_#t~mem7#1; 252#L722true assume !true; 171#L715-1true call main_#t~mem157#1 := read~int#2(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post158#1 := main_#t~mem157#1;call write~int#2(1 + main_#t~post158#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem157#1;havoc main_#t~post158#1; 214#L715true [2024-11-10 23:33:32,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:33:32,237 INFO L85 PathProgramCache]: Analyzing trace with hash 23648, now seen corresponding path program 1 times [2024-11-10 23:33:32,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:33:32,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431693343] [2024-11-10 23:33:32,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:33:32,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:33:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:33:32,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:33:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:33:32,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:33:32,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:33:32,382 INFO L85 PathProgramCache]: Analyzing trace with hash 297477551, now seen corresponding path program 1 times [2024-11-10 23:33:32,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:33:32,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260664985] [2024-11-10 23:33:32,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:33:32,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:33:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:33:32,418 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 23:33:32,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:33:32,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260664985] [2024-11-10 23:33:32,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260664985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:33:32,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:33:32,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:33:32,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340632528] [2024-11-10 23:33:32,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:33:32,423 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:33:32,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:33:32,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 23:33:32,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 23:33:32,444 INFO L87 Difference]: Start difference. First operand has 401 states, 396 states have (on average 1.6136363636363635) internal successors, (639), 396 states have internal predecessors, (639), 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 23:33:32,501 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 23:33:32,504 INFO L158 Benchmark]: Toolchain (without parser) took 2741.05ms. Allocated memory is still 241.2MB. Free memory was 169.0MB in the beginning and 181.3MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:33:32,505 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:33:32,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.66ms. Allocated memory is still 241.2MB. Free memory was 169.0MB in the beginning and 199.7MB in the end (delta: -30.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-10 23:33:32,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.47ms. Allocated memory is still 241.2MB. Free memory was 199.7MB in the beginning and 191.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:33:32,506 INFO L158 Benchmark]: Boogie Preprocessor took 148.91ms. Allocated memory is still 241.2MB. Free memory was 191.3MB in the beginning and 173.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 23:33:32,506 INFO L158 Benchmark]: IcfgBuilder took 1288.75ms. Allocated memory is still 241.2MB. Free memory was 173.4MB in the beginning and 112.6MB in the end (delta: 60.7MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2024-11-10 23:33:32,506 INFO L158 Benchmark]: BuchiAutomizer took 364.70ms. Allocated memory is still 241.2MB. Free memory was 112.6MB in the beginning and 181.3MB in the end (delta: -68.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:33:32,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.66ms. Allocated memory is still 241.2MB. Free memory was 169.0MB in the beginning and 199.7MB in the end (delta: -30.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.47ms. Allocated memory is still 241.2MB. Free memory was 199.7MB in the beginning and 191.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.91ms. Allocated memory is still 241.2MB. Free memory was 191.3MB in the beginning and 173.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * IcfgBuilder took 1288.75ms. Allocated memory is still 241.2MB. Free memory was 173.4MB in the beginning and 112.6MB in the end (delta: 60.7MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 364.70ms. Allocated memory is still 241.2MB. Free memory was 112.6MB in the beginning and 181.3MB in the end (delta: -68.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 23:33:32,534 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