./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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-recursive-malloc/rec_malloc_ex10.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 aa3b43f792186d6a3a352371ca1ff1e69a3803ae0fdc3e5930b5d657527704c5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:06:19,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:06:19,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:06:20,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:06:20,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:06:20,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:06:20,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:06:20,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:06:20,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:06:20,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:06:20,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:06:20,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:06:20,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:06:20,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:06:20,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:06:20,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:06:20,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:06:20,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:06:20,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:06:20,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:06:20,033 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:06:20,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:06:20,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:06:20,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:06:20,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:06:20,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:06:20,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:06:20,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:06:20,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:06:20,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:06:20,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:06:20,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:06:20,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:06:20,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:06:20,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:06:20,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:06:20,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:06:20,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:06:20,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:06:20,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:06:20,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:06:20,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:06:20,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:06:20,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:06:20,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:06:20,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:06:20,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:06:20,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:06:20,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:06:20,092 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:06:20,092 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:06:20,092 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:06:20,093 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:06:20,093 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:06:20,093 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:06:20,093 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:06:20,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:06:20,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:06:20,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:06:20,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:06:20,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:06:20,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:06:20,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:06:20,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:06:20,095 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:06:20,095 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:06:20,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:06:20,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:06:20,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:06:20,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:06:20,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:06:20,099 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:06:20,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3b43f792186d6a3a352371ca1ff1e69a3803ae0fdc3e5930b5d657527704c5 [2022-07-14 15:06:20,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:06:20,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:06:20,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:06:20,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:06:20,359 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:06:20,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2022-07-14 15:06:20,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c6da493/ee5e9504db504e958cd8b8c0f402c964/FLAGeb447071f [2022-07-14 15:06:20,800 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:06:20,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2022-07-14 15:06:20,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c6da493/ee5e9504db504e958cd8b8c0f402c964/FLAGeb447071f [2022-07-14 15:06:20,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c6da493/ee5e9504db504e958cd8b8c0f402c964 [2022-07-14 15:06:20,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:06:20,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:06:20,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:06:20,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:06:20,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:06:20,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:06:20" (1/1) ... [2022-07-14 15:06:20,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47087628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:20, skipping insertion in model container [2022-07-14 15:06:20,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:06:20" (1/1) ... [2022-07-14 15:06:20,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:06:20,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:06:20,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:06:20,978 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:06:20,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:06:21,005 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:06:21,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21 WrapperNode [2022-07-14 15:06:21,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:06:21,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:06:21,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:06:21,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:06:21,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,035 INFO L137 Inliner]: procedures = 12, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-07-14 15:06:21,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:06:21,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:06:21,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:06:21,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:06:21,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:06:21,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:06:21,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:06:21,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:06:21,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (1/1) ... [2022-07-14 15:06:21,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:21,104 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) [2022-07-14 15:06:21,135 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 [2022-07-14 15:06:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:06:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 15:06:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-07-14 15:06:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-07-14 15:06:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-07-14 15:06:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-07-14 15:06:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:06:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:06:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 15:06:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:06:21,215 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:06:21,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:06:21,327 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:06:21,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:06:21,332 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 15:06:21,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:06:21 BoogieIcfgContainer [2022-07-14 15:06:21,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:06:21,335 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:06:21,335 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:06:21,338 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:06:21,339 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:06:21,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:06:20" (1/3) ... [2022-07-14 15:06:21,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@483bbbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:06:21, skipping insertion in model container [2022-07-14 15:06:21,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:06:21,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:06:21" (2/3) ... [2022-07-14 15:06:21,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@483bbbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:06:21, skipping insertion in model container [2022-07-14 15:06:21,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:06:21,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:06:21" (3/3) ... [2022-07-14 15:06:21,342 INFO L354 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex10.i [2022-07-14 15:06:21,386 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:06:21,386 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:06:21,386 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:06:21,386 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:06:21,386 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:06:21,387 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:06:21,387 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:06:21,387 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:06:21,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-14 15:06:21,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 15:06:21,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:21,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:21,412 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-14 15:06:21,412 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-14 15:06:21,412 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:06:21,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-14 15:06:21,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 15:06:21,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:06:21,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:06:21,415 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-14 15:06:21,415 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-14 15:06:21,424 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~nondet10#1, main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4);main_~p2~0#1.base, main_~p2~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int(main_#t~nondet9#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet9#1;call write~int(main_#t~nondet10#1, main_~p2~0#1.base, main_~p2~0#1.offset, 4);havoc main_#t~nondet10#1; 15#L49true call f(main_~p1~0#1.base, main_~p1~0#1.offset, main_~p2~0#1.base, main_~p2~0#1.offset);< 8#fENTRYtrue [2022-07-14 15:06:21,425 INFO L754 eck$LassoCheckResult]: Loop: 8#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 10#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem1;havoc #t~mem2;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 13#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 9#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4);call #t~mem6 := read~int(~q.base, ~q.offset, 4); 16#L31true assume !(#t~mem5 + #t~mem6 < 0);havoc #t~mem5;havoc #t~mem6; 11#L35true call f(~q.base, ~q.offset, ~p.base, ~p.offset);< 8#fENTRYtrue [2022-07-14 15:06:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:21,430 INFO L85 PathProgramCache]: Analyzing trace with hash 43766, now seen corresponding path program 1 times [2022-07-14 15:06:21,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:21,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760836080] [2022-07-14 15:06:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:21,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,607 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:21,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash 891830467, now seen corresponding path program 1 times [2022-07-14 15:06:21,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:21,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076923013] [2022-07-14 15:06:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:21,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,692 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:21,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:21,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1193795592, now seen corresponding path program 1 times [2022-07-14 15:06:21,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:06:21,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765662114] [2022-07-14 15:06:21,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:06:21,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:06:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,819 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:06:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:06:21,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:06:23,371 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:06:23,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:06:23,372 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:06:23,372 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:06:23,372 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:06:23,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:23,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:06:23,373 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:06:23,373 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex10.i_Iteration1_Lasso [2022-07-14 15:06:23,373 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:06:23,373 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:06:23,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:23,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:06:24,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:06:24,136 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:06:24,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,143 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) [2022-07-14 15:06:24,150 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 [2022-07-14 15:06:24,151 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 [2022-07-14 15:06:24,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,196 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 [2022-07-14 15:06:24,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,198 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) [2022-07-14 15:06:24,204 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 [2022-07-14 15:06:24,210 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 [2022-07-14 15:06:24,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,238 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 [2022-07-14 15:06:24,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,240 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) [2022-07-14 15:06:24,241 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 [2022-07-14 15:06:24,242 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 [2022-07-14 15:06:24,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,268 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 [2022-07-14 15:06:24,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,270 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) [2022-07-14 15:06:24,270 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 [2022-07-14 15:06:24,272 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 [2022-07-14 15:06:24,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,296 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 [2022-07-14 15:06:24,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,297 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) [2022-07-14 15:06:24,298 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 [2022-07-14 15:06:24,299 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 [2022-07-14 15:06:24,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,347 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 [2022-07-14 15:06:24,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,349 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) [2022-07-14 15:06:24,358 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 [2022-07-14 15:06:24,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,374 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 [2022-07-14 15:06:24,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,408 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 [2022-07-14 15:06:24,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,410 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) [2022-07-14 15:06:24,412 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 [2022-07-14 15:06:24,413 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 [2022-07-14 15:06:24,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,452 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) [2022-07-14 15:06:24,453 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 [2022-07-14 15:06:24,454 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 [2022-07-14 15:06:24,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,481 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 [2022-07-14 15:06:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,483 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) [2022-07-14 15:06:24,484 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 [2022-07-14 15:06:24,485 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 [2022-07-14 15:06:24,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-14 15:06:24,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,516 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) [2022-07-14 15:06:24,517 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 [2022-07-14 15:06:24,520 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 [2022-07-14 15:06:24,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:06:24,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:06:24,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:06:24,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,553 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 [2022-07-14 15:06:24,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,555 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2022-07-14 15:06:24,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-14 15:06:24,557 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 [2022-07-14 15:06:24,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,621 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2022-07-14 15:06:24,630 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 [2022-07-14 15:06:24,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,637 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-07-14 15:06:24,637 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 15:06:24,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,651 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2022-07-14 15:06:24,651 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 15:06:24,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-14 15:06:24,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,701 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2022-07-14 15:06:24,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-14 15:06:24,704 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 [2022-07-14 15:06:24,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,740 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2022-07-14 15:06:24,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-14 15:06:24,742 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 [2022-07-14 15:06:24,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,788 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2022-07-14 15:06:24,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-14 15:06:24,790 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 [2022-07-14 15:06:24,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,851 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2022-07-14 15:06:24,858 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 [2022-07-14 15:06:24,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-14 15:06:24,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:06:24,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:24,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:24,906 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2022-07-14 15:06:24,914 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 [2022-07-14 15:06:24,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-14 15:06:24,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:06:24,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:06:24,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:06:24,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:06:24,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:06:24,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:06:24,942 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:06:24,991 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-07-14 15:06:24,992 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-14 15:06:24,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:06:24,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:06:25,007 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2022-07-14 15:06:25,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-14 15:06:25,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:06:25,058 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 15:06:25,059 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:06:25,059 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) f_#in~q.base) f_#in~q.offset)_1, v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1) = 1*v_rep(select (select old(#memory_int) f_#in~q.base) f_#in~q.offset)_1 + 1*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 Supporting invariants [1*v_rep(select (select old(#memory_int) f_#in~q.base) f_#in~q.offset)_1 - 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 >= 0] [2022-07-14 15:06:25,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:25,094 INFO L293 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-07-14 15:06:25,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:25,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 15:06:25,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:25,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 55 conjunts are in the unsatisfiable core [2022-07-14 15:06:25,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:25,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-07-14 15:06:25,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-14 15:06:25,420 INFO L356 Elim1Store]: treesize reduction 32, result has 57.3 percent of original size [2022-07-14 15:06:25,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 65 [2022-07-14 15:06:26,727 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-14 15:06:26,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-14 15:06:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:26,920 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-14 15:06:26,921 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:06:27,030 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 26 transitions. Complement of second has 7 states. [2022-07-14 15:06:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 15:06:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:06:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2022-07-14 15:06:27,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-14 15:06:27,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:27,047 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 15:06:27,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:06:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 15:06:27,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:06:27,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 55 conjunts are in the unsatisfiable core [2022-07-14 15:06:27,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:06:27,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-07-14 15:06:27,182 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-14 15:06:27,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-14 15:06:27,202 INFO L356 Elim1Store]: treesize reduction 29, result has 34.1 percent of original size [2022-07-14 15:06:27,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 45 [2022-07-14 15:06:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:06:27,285 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-14 15:06:27,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:06:27,443 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 52 transitions. Complement of second has 20 states. [2022-07-14 15:06:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-07-14 15:06:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:06:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2022-07-14 15:06:27,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-14 15:06:27,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:27,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2022-07-14 15:06:27,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:27,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2022-07-14 15:06:27,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:06:27,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 52 transitions. [2022-07-14 15:06:27,451 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:06:27,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2022-07-14 15:06:27,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:06:27,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:06:27,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:06:27,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:06:27,455 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:06:27,455 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:06:27,455 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:06:27,455 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:06:27,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:06:27,455 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:06:27,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:06:27,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:06:27 BoogieIcfgContainer [2022-07-14 15:06:27,461 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:06:27,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:06:27,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:06:27,461 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:06:27,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:06:21" (3/4) ... [2022-07-14 15:06:27,464 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:06:27,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:06:27,465 INFO L158 Benchmark]: Toolchain (without parser) took 6635.38ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 91.2MB in the beginning and 59.9MB in the end (delta: 31.3MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-07-14 15:06:27,465 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:06:27,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.06ms. Allocated memory is still 119.5MB. Free memory was 90.9MB in the beginning and 96.5MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 15:06:27,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.10ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 95.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:06:27,466 INFO L158 Benchmark]: Boogie Preprocessor took 36.60ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 951.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:06:27,467 INFO L158 Benchmark]: RCFGBuilder took 260.63ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 83.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:06:27,467 INFO L158 Benchmark]: BuchiAutomizer took 6125.51ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 83.1MB in the beginning and 59.9MB in the end (delta: 23.2MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-07-14 15:06:27,468 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 144.7MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:06:27,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.06ms. Allocated memory is still 119.5MB. Free memory was 90.9MB in the beginning and 96.5MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.10ms. Allocated memory is still 119.5MB. Free memory was 96.5MB in the beginning and 95.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.60ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 951.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.63ms. Allocated memory is still 119.5MB. Free memory was 93.8MB in the beginning and 83.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6125.51ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 83.1MB in the beginning and 59.9MB in the end (delta: 23.2MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 144.7MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[p][p] + \old(unknown-#memory_int-unknown)[q][q] and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 16 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital227 mio100 ax100 hnf100 lsp97 ukn73 mio100 lsp20 div100 bol100 ite100 ukn100 eq203 hnf88 smp100 dnf172 smp79 tf100 neg87 sie147 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 28 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:06:27,504 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 Writing output log to file Ultimate.log Result: TRUE