./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/array15_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/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/termination-15/array15_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 00e68ac4f80be925b23bb57b8164307bcf507e35ce753b52ea66514fcb8cc207 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:31:30,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:31:30,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:31:30,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:31:30,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:31:30,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:31:30,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:31:30,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:31:30,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:31:30,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:31:30,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:31:30,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:31:30,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:31:30,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:31:30,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:31:30,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:31:30,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:31:30,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:31:30,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:31:30,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:31:30,895 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:31:30,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:31:30,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:31:30,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:31:30,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:31:30,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:31:30,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:31:30,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:31:30,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:31:30,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:31:30,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:31:30,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:31:30,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:31:30,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:31:30,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:31:30,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:31:30,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:31:30,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:31:30,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:31:30,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:31:30,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:31:30,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:31:30,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:31:30,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:31:30,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:31:30,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:31:30,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:31:30,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:31:30,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:31:30,950 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:31:30,951 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:31:30,951 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:31:30,952 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:31:30,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:31:30,952 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:31:30,952 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:31:30,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:31:30,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:31:30,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:31:30,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:31:30,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:31:30,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:31:30,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:31:30,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:31:30,955 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:31:30,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:31:30,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:31:30,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:31:30,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:31:30,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:31:30,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:31:30,958 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:31:30,958 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e68ac4f80be925b23bb57b8164307bcf507e35ce753b52ea66514fcb8cc207 [2022-07-23 14:31:31,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:31:31,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:31:31,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:31:31,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:31:31,297 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:31:31,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/array15_alloca.i [2022-07-23 14:31:31,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49aca479b/c81828544c4842df8c19be855a5d2b32/FLAG8018219c1 [2022-07-23 14:31:31,867 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:31:31,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array15_alloca.i [2022-07-23 14:31:31,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49aca479b/c81828544c4842df8c19be855a5d2b32/FLAG8018219c1 [2022-07-23 14:31:32,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49aca479b/c81828544c4842df8c19be855a5d2b32 [2022-07-23 14:31:32,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:31:32,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:31:32,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:31:32,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:31:32,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:31:32,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9ea3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32, skipping insertion in model container [2022-07-23 14:31:32,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:31:32,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:31:32,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:31:32,671 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:31:32,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:31:32,761 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:31:32,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32 WrapperNode [2022-07-23 14:31:32,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:31:32,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:31:32,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:31:32,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:31:32,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,797 INFO L137 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-07-23 14:31:32,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:31:32,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:31:32,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:31:32,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:31:32,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:31:32,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:31:32,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:31:32,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:31:32,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (1/1) ... [2022-07-23 14:31:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:32,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:32,881 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) [2022-07-23 14:31:32,903 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 [2022-07-23 14:31:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 14:31:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 14:31:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 14:31:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 14:31:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:31:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:31:32,983 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:31:32,985 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:31:33,085 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:31:33,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:31:33,090 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 14:31:33,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:31:33 BoogieIcfgContainer [2022-07-23 14:31:33,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:31:33,093 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:31:33,094 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:31:33,096 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:31:33,097 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:31:33,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:31:32" (1/3) ... [2022-07-23 14:31:33,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d5cd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:31:33, skipping insertion in model container [2022-07-23 14:31:33,098 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:31:33,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:31:32" (2/3) ... [2022-07-23 14:31:33,099 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36d5cd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:31:33, skipping insertion in model container [2022-07-23 14:31:33,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:31:33,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:31:33" (3/3) ... [2022-07-23 14:31:33,100 INFO L354 chiAutomizerObserver]: Analyzing ICFG array15_alloca.i [2022-07-23 14:31:33,145 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:31:33,146 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:31:33,146 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:31:33,146 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:31:33,146 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:31:33,146 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:31:33,146 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:31:33,147 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:31:33,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-07-23 14:31:33,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-07-23 14:31:33,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:31:33,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:31:33,201 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 14:31:33,201 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 14:31:33,201 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:31:33,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-07-23 14:31:33,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-07-23 14:31:33,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:31:33,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:31:33,204 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 14:31:33,204 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 14:31:33,210 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~mem209#1, main_#t~post207#1, main_#t~mem210#1, main_#t~post211#1, main_#t~post212#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 10#L367true assume !(main_~length~0#1 < 1); 7#L367-2true call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 4#L369true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5#L370-3true [2022-07-23 14:31:33,211 INFO L754 eck$LassoCheckResult]: Loop: 5#L370-3true assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1;call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12#L372true assume main_#t~mem209#1 < 0;havoc main_#t~mem209#1;call write~int(0, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 15#L370-2true main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 5#L370-3true [2022-07-23 14:31:33,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:33,274 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-07-23 14:31:33,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:33,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306702790] [2022-07-23 14:31:33,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:33,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:33,401 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:31:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:33,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:31:33,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 51737, now seen corresponding path program 1 times [2022-07-23 14:31:33,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:33,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303029700] [2022-07-23 14:31:33,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:33,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:33,476 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:31:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:33,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:31:33,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:33,501 INFO L85 PathProgramCache]: Analyzing trace with hash 176707665, now seen corresponding path program 1 times [2022-07-23 14:31:33,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:33,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310748793] [2022-07-23 14:31:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:33,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:33,539 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:31:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:33,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:31:33,894 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:31:33,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:31:33,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:31:33,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:31:33,896 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:31:33,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:33,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:31:33,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:31:33,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: array15_alloca.i_Iteration1_Lasso [2022-07-23 14:31:33,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:31:33,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:31:33,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:33,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:33,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:33,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:33,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:33,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:34,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:34,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:34,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:34,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:34,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:34,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:34,269 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:31:34,273 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:31:34,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,279 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2022-07-23 14:31:34,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 14:31:34,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:31:34,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:31:34,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:31:34,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:34,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,343 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2022-07-23 14:31:34,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 14:31:34,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:31:34,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:31:34,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-23 14:31:34,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,401 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2022-07-23 14:31:34,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 14:31:34,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:31:34,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:31:34,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:31:34,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:34,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,455 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2022-07-23 14:31:34,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 14:31:34,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:31:34,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:31:34,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:31:34,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:34,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,516 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2022-07-23 14:31:34,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 14:31:34,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:31:34,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:31:34,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:31:34,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:34,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,544 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2022-07-23 14:31:34,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 14:31:34,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:31:34,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:31:34,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:31:34,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:34,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,606 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2022-07-23 14:31:34,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 14:31:34,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:31:34,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:31:34,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-23 14:31:34,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,664 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2022-07-23 14:31:34,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 14:31:34,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:31:34,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:31:34,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:31:34,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:34,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,717 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2022-07-23 14:31:34,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 14:31:34,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:31:34,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:31:34,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:31:34,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:31:34,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:31:34,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:31:34,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:31:34,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:31:34,786 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-23 14:31:34,786 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-23 14:31:34,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:34,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:31:34,803 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2022-07-23 14:31:34,836 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:31:34,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 14:31:34,893 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:31:34,893 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:31:34,893 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~arr~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 Supporting invariants [] [2022-07-23 14:31:34,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:34,929 INFO L293 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-07-23 14:31:34,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:31:34,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:31:34,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:31:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:31:34,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:31:34,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:31:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:31:35,072 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 14:31:35,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:31:35,133 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 50 transitions. Complement of second has 7 states. [2022-07-23 14:31:35,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 14:31:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:31:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-07-23 14:31:35,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-23 14:31:35,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:31:35,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 8 letters. Loop has 3 letters. [2022-07-23 14:31:35,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:31:35,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 5 letters. Loop has 6 letters. [2022-07-23 14:31:35,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:31:35,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 50 transitions. [2022-07-23 14:31:35,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:31:35,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 17 transitions. [2022-07-23 14:31:35,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-23 14:31:35,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-23 14:31:35,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2022-07-23 14:31:35,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:31:35,166 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-07-23 14:31:35,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2022-07-23 14:31:35,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-07-23 14:31:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 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) [2022-07-23 14:31:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2022-07-23 14:31:35,190 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-07-23 14:31:35,191 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-07-23 14:31:35,191 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:31:35,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2022-07-23 14:31:35,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:31:35,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:31:35,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:31:35,193 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:31:35,193 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:31:35,194 INFO L752 eck$LassoCheckResult]: Stem: 113#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 114#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~mem209#1, main_#t~post207#1, main_#t~mem210#1, main_#t~post211#1, main_#t~post212#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 121#L367 assume !(main_~length~0#1 < 1); 115#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 116#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 117#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 118#L370-4 main_~j~0#1 := 0; 119#L378-2 [2022-07-23 14:31:35,195 INFO L754 eck$LassoCheckResult]: Loop: 119#L378-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 120#L378 assume main_#t~mem210#1 > 0;havoc main_#t~mem210#1;main_#t~post211#1 := main_~j~0#1;main_~j~0#1 := main_#t~post211#1 - 1;havoc main_#t~post211#1; 119#L378-2 [2022-07-23 14:31:35,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:35,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815510, now seen corresponding path program 1 times [2022-07-23 14:31:35,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:35,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856334404] [2022-07-23 14:31:35,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:35,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:31:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:31:35,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:31:35,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856334404] [2022-07-23 14:31:35,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856334404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:31:35,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:31:35,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 14:31:35,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454804682] [2022-07-23 14:31:35,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:31:35,260 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 14:31:35,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:35,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2308, now seen corresponding path program 1 times [2022-07-23 14:31:35,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:35,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15984779] [2022-07-23 14:31:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:35,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,277 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:31:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:31:35,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:31:35,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 14:31:35,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-23 14:31:35,331 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-07-23 14:31:35,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:31:35,351 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2022-07-23 14:31:35,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 14:31:35,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2022-07-23 14:31:35,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:31:35,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2022-07-23 14:31:35,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-23 14:31:35,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-23 14:31:35,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-07-23 14:31:35,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:31:35,354 INFO L369 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-07-23 14:31:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-07-23 14:31:35,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-07-23 14:31:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-07-23 14:31:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-07-23 14:31:35,355 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-23 14:31:35,355 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-23 14:31:35,355 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:31:35,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2022-07-23 14:31:35,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-23 14:31:35,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:31:35,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:31:35,357 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:31:35,357 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:31:35,357 INFO L752 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~mem209#1, main_#t~post207#1, main_#t~mem210#1, main_#t~post211#1, main_#t~post212#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 154#L367 assume !(main_~length~0#1 < 1); 148#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 149#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 150#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1;call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 155#L372 assume !(main_#t~mem209#1 < 0);havoc main_#t~mem209#1; 157#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 156#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 151#L370-4 main_~j~0#1 := 0; 152#L378-2 [2022-07-23 14:31:35,357 INFO L754 eck$LassoCheckResult]: Loop: 152#L378-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem210#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 153#L378 assume main_#t~mem210#1 > 0;havoc main_#t~mem210#1;main_#t~post211#1 := main_~j~0#1;main_~j~0#1 := main_#t~post211#1 - 1;havoc main_#t~post211#1; 152#L378-2 [2022-07-23 14:31:35,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:35,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1982565540, now seen corresponding path program 1 times [2022-07-23 14:31:35,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:35,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288213131] [2022-07-23 14:31:35,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:35,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,368 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:31:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:31:35,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:35,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2308, now seen corresponding path program 2 times [2022-07-23 14:31:35,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:35,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891884619] [2022-07-23 14:31:35,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:35,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,390 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:31:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:31:35,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:31:35,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1719996831, now seen corresponding path program 1 times [2022-07-23 14:31:35,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:31:35,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222678198] [2022-07-23 14:31:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:31:35,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:31:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,423 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:31:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:31:35,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:31:35,747 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:31:35,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:31:35,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:31:35,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:31:35,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:31:35,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:31:35,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:31:35,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:31:35,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: array15_alloca.i_Iteration3_Lasso [2022-07-23 14:31:35,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:31:35,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:31:35,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:35,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-23 14:31:35,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:35,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:35,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:35,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:31:35,791 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-07-23 14:31:35,801 INFO L158 Benchmark]: Toolchain (without parser) took 3423.68ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 46.0MB in the beginning and 74.9MB in the end (delta: -28.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2022-07-23 14:31:35,801 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:31:35,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.90ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 72.8MB in the end (delta: -27.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-07-23 14:31:35,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.95ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:31:35,802 INFO L158 Benchmark]: Boogie Preprocessor took 44.32ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 69.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:31:35,802 INFO L158 Benchmark]: RCFGBuilder took 248.13ms. Allocated memory is still 107.0MB. Free memory was 69.6MB in the beginning and 59.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 14:31:35,803 INFO L158 Benchmark]: BuchiAutomizer took 2703.35ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 74.9MB in the end (delta: -15.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-07-23 14:31:35,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.90ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 72.8MB in the end (delta: -27.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.95ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.32ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 69.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.13ms. Allocated memory is still 107.0MB. Free memory was 69.6MB in the beginning and 59.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2703.35ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 74.9MB in the end (delta: -15.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-23 14:31:35,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null