./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/ldv-memsafety/memleaks_test18_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 32bit --witnessprinter.graph.data.programhash 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 20:30:51,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 20:30:51,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 20:30:51,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 20:30:51,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 20:30:51,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 20:30:51,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 20:30:51,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 20:30:51,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 20:30:51,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 20:30:51,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 20:30:51,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 20:30:51,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 20:30:51,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 20:30:51,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 20:30:51,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 20:30:51,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 20:30:51,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 20:30:51,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 20:30:51,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 20:30:51,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 20:30:51,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 20:30:51,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 20:30:51,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 20:30:51,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 20:30:51,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 20:30:51,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 20:30:51,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 20:30:51,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 20:30:51,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 20:30:51,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 20:30:51,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 20:30:51,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 20:30:51,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 20:30:51,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 20:30:51,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 20:30:51,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 20:30:51,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 20:30:51,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 20:30:51,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 20:30:51,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 20:30:51,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 20:30:52,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 20:30:52,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 20:30:52,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 20:30:52,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 20:30:52,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 20:30:52,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 20:30:52,013 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 20:30:52,013 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 20:30:52,013 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 20:30:52,013 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 20:30:52,013 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 20:30:52,013 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 20:30:52,014 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 20:30:52,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 20:30:52,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 20:30:52,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 20:30:52,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 20:30:52,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 20:30:52,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 20:30:52,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 20:30:52,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 20:30:52,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 20:30:52,018 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 20:30:52,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 20:30:52,018 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 20:30:52,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 20:30:52,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 20:30:52,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 20:30:52,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 20:30:52,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 20:30:52,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 20:30:52,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 20:30:52,020 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 20:30:52,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2021-12-19 20:30:52,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 20:30:52,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 20:30:52,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 20:30:52,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 20:30:52,237 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 20:30:52,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2021-12-19 20:30:52,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c064804de/293abd5fa4b9497e99c26de007c123db/FLAG3b2cac6f1 [2021-12-19 20:30:52,681 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 20:30:52,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2021-12-19 20:30:52,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c064804de/293abd5fa4b9497e99c26de007c123db/FLAG3b2cac6f1 [2021-12-19 20:30:53,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c064804de/293abd5fa4b9497e99c26de007c123db [2021-12-19 20:30:53,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 20:30:53,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 20:30:53,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 20:30:53,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 20:30:53,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 20:30:53,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766815bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53, skipping insertion in model container [2021-12-19 20:30:53,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 20:30:53,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 20:30:53,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:30:53,437 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 20:30:53,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:30:53,514 INFO L208 MainTranslator]: Completed translation [2021-12-19 20:30:53,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53 WrapperNode [2021-12-19 20:30:53,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 20:30:53,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 20:30:53,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 20:30:53,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 20:30:53,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,554 INFO L137 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 28, calls inlined = 5, statements flattened = 65 [2021-12-19 20:30:53,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 20:30:53,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 20:30:53,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 20:30:53,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 20:30:53,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 20:30:53,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 20:30:53,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 20:30:53,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 20:30:53,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (1/1) ... [2021-12-19 20:30:53,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:53,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:53,612 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) [2021-12-19 20:30:53,616 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 [2021-12-19 20:30:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-19 20:30:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 20:30:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-19 20:30:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-19 20:30:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-19 20:30:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-19 20:30:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 20:30:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 20:30:53,774 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 20:30:53,775 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 20:30:53,948 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 20:30:53,952 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 20:30:53,952 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 20:30:53,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:30:53 BoogieIcfgContainer [2021-12-19 20:30:53,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 20:30:53,954 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 20:30:53,954 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 20:30:53,957 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 20:30:53,957 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:30:53,957 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 08:30:53" (1/3) ... [2021-12-19 20:30:53,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7156590f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 08:30:53, skipping insertion in model container [2021-12-19 20:30:53,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:30:53,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:30:53" (2/3) ... [2021-12-19 20:30:53,961 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7156590f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 08:30:53, skipping insertion in model container [2021-12-19 20:30:53,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:30:53,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:30:53" (3/3) ... [2021-12-19 20:30:53,968 INFO L388 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_1.i [2021-12-19 20:30:54,004 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 20:30:54,004 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 20:30:54,004 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 20:30:54,004 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 20:30:54,005 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 20:30:54,005 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 20:30:54,005 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 20:30:54,005 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 20:30:54,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:54,035 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-19 20:30:54,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:54,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:54,039 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-19 20:30:54,039 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 20:30:54,039 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 20:30:54,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:54,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-19 20:30:54,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:54,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:54,041 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-19 20:30:54,041 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 20:30:54,044 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 13#L526true assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 7#L529true entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 8#L766true assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 11#L767-3true [2021-12-19 20:30:54,045 INFO L793 eck$LassoCheckResult]: Loop: 11#L767-3true assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 16#L526-1true assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 17#L529-1true entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 15#L769true assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 12#L767-2true entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 11#L767-3true [2021-12-19 20:30:54,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:54,051 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-19 20:30:54,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:54,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770302367] [2021-12-19 20:30:54,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:54,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:54,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:30:54,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770302367] [2021-12-19 20:30:54,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770302367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 20:30:54,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 20:30:54,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 20:30:54,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553364767] [2021-12-19 20:30:54,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 20:30:54,249 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:30:54,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:54,251 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2021-12-19 20:30:54,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:54,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823344581] [2021-12-19 20:30:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:54,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,294 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,325 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:54,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:30:54,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 20:30:54,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 20:30:54,670 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:30:54,716 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2021-12-19 20:30:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 20:30:54,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 43 transitions. [2021-12-19 20:30:54,725 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-12-19 20:30:54,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 20 states and 25 transitions. [2021-12-19 20:30:54,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-19 20:30:54,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-19 20:30:54,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-12-19 20:30:54,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:30:54,731 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-19 20:30:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-12-19 20:30:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2021-12-19 20:30:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-12-19 20:30:54,748 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-19 20:30:54,748 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-19 20:30:54,749 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 20:30:54,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-12-19 20:30:54,750 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-19 20:30:54,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:54,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:54,751 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-19 20:30:54,751 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-19 20:30:54,751 INFO L791 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 70#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 75#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 74#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 72#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 73#L767-3 [2021-12-19 20:30:54,752 INFO L793 eck$LassoCheckResult]: Loop: 73#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 76#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 79#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 78#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 77#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 73#L767-3 [2021-12-19 20:30:54,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:54,753 INFO L85 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2021-12-19 20:30:54,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:54,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413042929] [2021-12-19 20:30:54,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:54,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,770 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,784 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2021-12-19 20:30:54,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:54,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484004660] [2021-12-19 20:30:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:54,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,799 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,805 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:54,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2021-12-19 20:30:54,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:54,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771716976] [2021-12-19 20:30:54,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:54,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,823 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:54,834 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:55,375 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:30:55,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:30:55,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:30:55,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:30:55,376 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:30:55,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:55,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:30:55,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:30:55,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration2_Lasso [2021-12-19 20:30:55,376 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:30:55,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:30:55,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:55,996 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:30:55,999 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:30:56,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,002 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) [2021-12-19 20:30:56,003 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 [2021-12-19 20:30:56,004 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 [2021-12-19 20:30:56,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:56,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:56,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:56,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,047 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 [2021-12-19 20:30:56,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,048 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) [2021-12-19 20:30:56,049 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 [2021-12-19 20:30:56,051 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 [2021-12-19 20:30:56,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:56,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:56,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:56,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:56,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,095 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) [2021-12-19 20:30:56,096 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 [2021-12-19 20:30:56,098 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 [2021-12-19 20:30:56,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:56,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:56,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,140 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 [2021-12-19 20:30:56,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,141 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) [2021-12-19 20:30:56,142 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 [2021-12-19 20:30:56,143 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 [2021-12-19 20:30:56,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:56,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:56,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:56,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,167 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 [2021-12-19 20:30:56,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,171 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) [2021-12-19 20:30:56,171 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 [2021-12-19 20:30:56,173 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 [2021-12-19 20:30:56,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:56,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:56,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,221 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 [2021-12-19 20:30:56,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,223 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) [2021-12-19 20:30:56,224 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 [2021-12-19 20:30:56,225 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 [2021-12-19 20:30:56,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:56,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:56,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:56,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,256 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 [2021-12-19 20:30:56,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,257 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) [2021-12-19 20:30:56,258 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 [2021-12-19 20:30:56,259 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 [2021-12-19 20:30:56,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:56,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:56,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,301 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 [2021-12-19 20:30:56,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,303 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) [2021-12-19 20:30:56,304 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 [2021-12-19 20:30:56,305 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 [2021-12-19 20:30:56,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:56,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:56,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:56,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,343 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 [2021-12-19 20:30:56,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,345 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) [2021-12-19 20:30:56,345 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 [2021-12-19 20:30:56,347 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 [2021-12-19 20:30:56,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,353 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-19 20:30:56,353 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 20:30:56,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,362 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-12-19 20:30:56,362 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 20:30:56,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:56,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,407 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) [2021-12-19 20:30:56,413 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 [2021-12-19 20:30:56,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,424 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 [2021-12-19 20:30:56,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:56,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:56,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,468 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 [2021-12-19 20:30:56,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,469 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) [2021-12-19 20:30:56,469 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 [2021-12-19 20:30:56,471 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 [2021-12-19 20:30:56,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:56,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:56,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:56,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:56,499 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 [2021-12-19 20:30:56,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,501 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) [2021-12-19 20:30:56,502 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 [2021-12-19 20:30:56,502 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 [2021-12-19 20:30:56,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:56,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:56,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:56,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:56,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:56,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:56,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:30:56,628 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-19 20:30:56,628 INFO L444 ModelExtractionUtils]: 16 out of 31 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-19 20:30:56,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:56,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:56,659 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) [2021-12-19 20:30:56,670 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:30:56,678 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 [2021-12-19 20:30:56,687 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 20:30:56,687 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:30:56,688 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0#1, ULTIMATE.start_entry_point_~len~0#1) = -1*ULTIMATE.start_entry_point_~i~0#1 + 1*ULTIMATE.start_entry_point_~len~0#1 Supporting invariants [] [2021-12-19 20:30:56,709 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 [2021-12-19 20:30:56,726 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-19 20:30:56,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:56,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:30:56,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:30:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:56,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 20:30:56,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:30:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:56,803 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-19 20:30:56,804 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:56,840 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 6 states. [2021-12-19 20:30:56,841 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 [2021-12-19 20:30:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-12-19 20:30:56,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2021-12-19 20:30:56,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:30:56,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2021-12-19 20:30:56,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:30:56,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2021-12-19 20:30:56,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:30:56,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-12-19 20:30:56,853 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-19 20:30:56,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2021-12-19 20:30:56,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-19 20:30:56,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-19 20:30:56,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-12-19 20:30:56,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:30:56,855 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-19 20:30:56,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-12-19 20:30:56,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-12-19 20:30:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-12-19 20:30:56,858 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-19 20:30:56,859 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-19 20:30:56,859 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 20:30:56,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-12-19 20:30:56,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:30:56,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:56,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:56,861 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:30:56,861 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:30:56,861 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 192#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 189#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 190#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 191#L767-3 assume !(entry_point_~i~0#1 < entry_point_~len~0#1); 188#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 184#L773-3 [2021-12-19 20:30:56,863 INFO L793 eck$LassoCheckResult]: Loop: 184#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 185#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 184#L773-3 [2021-12-19 20:30:56,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:56,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1804968475, now seen corresponding path program 1 times [2021-12-19 20:30:56,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:56,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712652756] [2021-12-19 20:30:56,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:56,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:56,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:30:56,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712652756] [2021-12-19 20:30:56,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712652756] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 20:30:56,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 20:30:56,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 20:30:56,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867415644] [2021-12-19 20:30:56,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 20:30:56,905 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:30:56,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 1 times [2021-12-19 20:30:56,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:56,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325106695] [2021-12-19 20:30:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:56,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:56,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:56,917 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:56,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:30:56,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 20:30:56,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-19 20:30:56,945 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:56,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:30:56,957 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2021-12-19 20:30:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 20:30:56,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-12-19 20:30:56,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-19 20:30:56,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2021-12-19 20:30:56,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-19 20:30:56,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-19 20:30:56,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2021-12-19 20:30:56,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:30:56,959 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-19 20:30:56,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2021-12-19 20:30:56,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2021-12-19 20:30:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:56,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-12-19 20:30:56,961 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-19 20:30:56,961 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-19 20:30:56,961 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-19 20:30:56,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-12-19 20:30:56,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:30:56,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:56,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:56,961 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:30:56,961 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:30:56,962 INFO L791 eck$LassoCheckResult]: Stem: 235#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 243#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 240#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 241#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 242#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 245#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 250#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 248#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 239#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 237#L773-3 [2021-12-19 20:30:56,962 INFO L793 eck$LassoCheckResult]: Loop: 237#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 238#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 237#L773-3 [2021-12-19 20:30:56,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:56,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1173218535, now seen corresponding path program 1 times [2021-12-19 20:30:56,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:56,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528076958] [2021-12-19 20:30:56,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:56,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:56,970 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:56,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:56,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:56,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 2 times [2021-12-19 20:30:56,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:56,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808285797] [2021-12-19 20:30:56,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:56,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:56,981 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:56,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:56,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2113388251, now seen corresponding path program 1 times [2021-12-19 20:30:56,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:56,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114782693] [2021-12-19 20:30:56,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:56,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:57,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:30:57,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114782693] [2021-12-19 20:30:57,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114782693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 20:30:57,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 20:30:57,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 20:30:57,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798531622] [2021-12-19 20:30:57,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 20:30:57,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:30:57,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 20:30:57,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 20:30:57,046 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:30:57,068 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2021-12-19 20:30:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 20:30:57,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2021-12-19 20:30:57,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:30:57,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2021-12-19 20:30:57,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-19 20:30:57,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-19 20:30:57,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2021-12-19 20:30:57,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:30:57,070 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-12-19 20:30:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2021-12-19 20:30:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2021-12-19 20:30:57,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-12-19 20:30:57,071 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-19 20:30:57,071 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-19 20:30:57,071 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-19 20:30:57,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-12-19 20:30:57,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:30:57,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:57,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:57,072 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:30:57,072 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:30:57,072 INFO L791 eck$LassoCheckResult]: Stem: 289#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 290#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 297#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 294#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 295#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 296#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 300#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 305#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 303#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 298#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 299#L767-3 assume !(entry_point_~i~0#1 < entry_point_~len~0#1); 293#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 291#L773-3 [2021-12-19 20:30:57,072 INFO L793 eck$LassoCheckResult]: Loop: 291#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 292#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 291#L773-3 [2021-12-19 20:30:57,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:57,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2113443111, now seen corresponding path program 1 times [2021-12-19 20:30:57,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:57,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738419832] [2021-12-19 20:30:57,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:57,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:30:57,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738419832] [2021-12-19 20:30:57,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738419832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 20:30:57,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 20:30:57,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 20:30:57,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279299483] [2021-12-19 20:30:57,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 20:30:57,105 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:30:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 3 times [2021-12-19 20:30:57,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:57,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105560408] [2021-12-19 20:30:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,109 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,111 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:57,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:30:57,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 20:30:57,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 20:30:57,136 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:57,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:30:57,154 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2021-12-19 20:30:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 20:30:57,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2021-12-19 20:30:57,172 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-19 20:30:57,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2021-12-19 20:30:57,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-19 20:30:57,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-19 20:30:57,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2021-12-19 20:30:57,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:30:57,173 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-12-19 20:30:57,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2021-12-19 20:30:57,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2021-12-19 20:30:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-19 20:30:57,174 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 20:30:57,174 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 20:30:57,174 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-19 20:30:57,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-19 20:30:57,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:30:57,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:57,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:57,174 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:30:57,175 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:30:57,175 INFO L791 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 350#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 347#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 348#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 349#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 353#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 358#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 356#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 351#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 352#L767-3 assume !(entry_point_~i~0#1 < entry_point_~len~0#1); 346#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 342#L773-3 [2021-12-19 20:30:57,175 INFO L793 eck$LassoCheckResult]: Loop: 342#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 343#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 342#L773-3 [2021-12-19 20:30:57,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:57,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2056184809, now seen corresponding path program 1 times [2021-12-19 20:30:57,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:57,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348100762] [2021-12-19 20:30:57,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:57,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:30:57,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348100762] [2021-12-19 20:30:57,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348100762] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-19 20:30:57,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319951017] [2021-12-19 20:30:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:30:57,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:57,215 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:30:57,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-19 20:30:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:57,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 20:30:57,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:30:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:57,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-19 20:30:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:57,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319951017] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-19 20:30:57,398 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-19 20:30:57,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-19 20:30:57,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434492529] [2021-12-19 20:30:57,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-19 20:30:57,398 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:30:57,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:57,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 4 times [2021-12-19 20:30:57,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:57,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806050894] [2021-12-19 20:30:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,404 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:57,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-19 20:30:57,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:30:57,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-19 20:30:57,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-12-19 20:30:57,460 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:57,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:30:57,507 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2021-12-19 20:30:57,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-19 20:30:57,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 55 transitions. [2021-12-19 20:30:57,509 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-19 20:30:57,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 55 transitions. [2021-12-19 20:30:57,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-12-19 20:30:57,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-12-19 20:30:57,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2021-12-19 20:30:57,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-19 20:30:57,509 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 55 transitions. [2021-12-19 20:30:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2021-12-19 20:30:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 32. [2021-12-19 20:30:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.1875) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2021-12-19 20:30:57,511 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-12-19 20:30:57,511 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-12-19 20:30:57,511 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-19 20:30:57,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2021-12-19 20:30:57,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:30:57,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:30:57,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:30:57,513 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:30:57,513 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:30:57,513 INFO L791 eck$LassoCheckResult]: Stem: 491#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 492#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 497#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 494#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 495#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 496#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 498#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 507#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 508#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 519#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 499#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 501#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 506#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 504#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 493#L772 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 489#L773-3 [2021-12-19 20:30:57,513 INFO L793 eck$LassoCheckResult]: Loop: 489#L773-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 490#L773-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 489#L773-3 [2021-12-19 20:30:57,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:57,514 INFO L85 PathProgramCache]: Analyzing trace with hash 979558027, now seen corresponding path program 1 times [2021-12-19 20:30:57,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:57,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770251404] [2021-12-19 20:30:57,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,534 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,543 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:57,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:57,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 5 times [2021-12-19 20:30:57,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:57,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422317513] [2021-12-19 20:30:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,547 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:57,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:57,551 INFO L85 PathProgramCache]: Analyzing trace with hash 757427661, now seen corresponding path program 1 times [2021-12-19 20:30:57,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:30:57,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247691101] [2021-12-19 20:30:57,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:30:57,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:30:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,561 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:30:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:30:57,571 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:30:58,133 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:30:58,134 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:30:58,134 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:30:58,134 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:30:58,134 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:30:58,134 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,134 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:30:58,134 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:30:58,134 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration7_Lasso [2021-12-19 20:30:58,134 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:30:58,134 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:30:58,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:30:58,637 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:30:58,637 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:30:58,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,638 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) [2021-12-19 20:30:58,644 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 [2021-12-19 20:30:58,645 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 [2021-12-19 20:30:58,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:58,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:58,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:58,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,674 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 [2021-12-19 20:30:58,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,676 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) [2021-12-19 20:30:58,677 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 [2021-12-19 20:30:58,708 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 [2021-12-19 20:30:58,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:58,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:58,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:58,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,734 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 [2021-12-19 20:30:58,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,735 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) [2021-12-19 20:30:58,736 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 [2021-12-19 20:30:58,738 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 [2021-12-19 20:30:58,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:58,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:58,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:58,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,762 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 [2021-12-19 20:30:58,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,764 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) [2021-12-19 20:30:58,764 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 [2021-12-19 20:30:58,766 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 [2021-12-19 20:30:58,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:58,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:58,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,803 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 [2021-12-19 20:30:58,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,804 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2021-12-19 20:30:58,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-19 20:30:58,807 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 [2021-12-19 20:30:58,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:58,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:58,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:58,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,847 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2021-12-19 20:30:58,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-19 20:30:58,849 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 [2021-12-19 20:30:58,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:58,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:58,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:58,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:58,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,888 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2021-12-19 20:30:58,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-19 20:30:58,890 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 [2021-12-19 20:30:58,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:58,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:58,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:58,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:58,948 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2021-12-19 20:30:58,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-19 20:30:58,951 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 [2021-12-19 20:30:58,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:58,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:58,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:58,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:58,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:58,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:58,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:58,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:58,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:58,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,004 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2021-12-19 20:30:59,007 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 [2021-12-19 20:30:59,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:59,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-19 20:30:59,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,049 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2021-12-19 20:30:59,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-19 20:30:59,052 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 [2021-12-19 20:30:59,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:59,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,096 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2021-12-19 20:30:59,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-19 20:30:59,099 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 [2021-12-19 20:30:59,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:59,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:59,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:59,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-19 20:30:59,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,127 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2021-12-19 20:30:59,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-19 20:30:59,131 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 [2021-12-19 20:30:59,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:59,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:59,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:59,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,193 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2021-12-19 20:30:59,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-19 20:30:59,195 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 [2021-12-19 20:30:59,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:59,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,239 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2021-12-19 20:30:59,245 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 [2021-12-19 20:30:59,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:59,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-19 20:30:59,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-19 20:30:59,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,284 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2021-12-19 20:30:59,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-19 20:30:59,287 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 [2021-12-19 20:30:59,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:59,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-19 20:30:59,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,326 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2021-12-19 20:30:59,328 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 [2021-12-19 20:30:59,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-19 20:30:59,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:59,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:59,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:59,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-19 20:30:59,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,363 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2021-12-19 20:30:59,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-19 20:30:59,365 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 [2021-12-19 20:30:59,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:59,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-19 20:30:59,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,392 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2021-12-19 20:30:59,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-19 20:30:59,394 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 [2021-12-19 20:30:59,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,401 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-19 20:30:59,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,407 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-19 20:30:59,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,439 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2021-12-19 20:30:59,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-19 20:30:59,441 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 [2021-12-19 20:30:59,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:30:59,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:30:59,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:30:59,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:30:59,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,472 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2021-12-19 20:30:59,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-19 20:30:59,474 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 [2021-12-19 20:30:59,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:30:59,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:30:59,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:30:59,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:30:59,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:30:59,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:30:59,523 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:30:59,541 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-19 20:30:59,541 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-12-19 20:30:59,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:30:59,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:30:59,542 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2021-12-19 20:30:59,544 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:30:59,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-19 20:30:59,560 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 20:30:59,560 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:30:59,561 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_2, ULTIMATE.start_entry_point_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_2 + 8*ULTIMATE.start_entry_point_~j~0#1 Supporting invariants [] [2021-12-19 20:30:59,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,589 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-12-19 20:30:59,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:30:59,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-19 20:30:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:59,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:30:59,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:30:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:30:59,679 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-19 20:30:59,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:30:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:30:59,697 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-19 20:30:59,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:59,706 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 41 transitions. Complement of second has 4 states. [2021-12-19 20:30:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 20:30:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:30:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2021-12-19 20:30:59,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-19 20:30:59,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:30:59,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2021-12-19 20:30:59,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:30:59,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-19 20:30:59,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:30:59,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2021-12-19 20:30:59,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 20:30:59,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-12-19 20:30:59,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 20:30:59,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 20:30:59,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 20:30:59,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:30:59,712 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:30:59,713 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:30:59,713 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:30:59,713 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-19 20:30:59,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 20:30:59,713 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 20:30:59,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 20:30:59,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 08:30:59 BoogieIcfgContainer [2021-12-19 20:30:59,722 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 20:30:59,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 20:30:59,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 20:30:59,722 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 20:30:59,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:30:53" (3/4) ... [2021-12-19 20:30:59,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 20:30:59,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 20:30:59,725 INFO L158 Benchmark]: Toolchain (without parser) took 6662.08ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 61.7MB in the beginning and 109.1MB in the end (delta: -47.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-12-19 20:30:59,725 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 39.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:30:59,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.79ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 61.4MB in the beginning and 88.3MB in the end (delta: -26.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 20:30:59,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.69ms. Allocated memory is still 123.7MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 20:30:59,726 INFO L158 Benchmark]: Boogie Preprocessor took 29.20ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:30:59,726 INFO L158 Benchmark]: RCFGBuilder took 369.20ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 73.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-19 20:30:59,727 INFO L158 Benchmark]: BuchiAutomizer took 5767.46ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 73.7MB in the beginning and 109.1MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:30:59,727 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 148.9MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:30:59,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 39.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.79ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 61.4MB in the beginning and 88.3MB in the end (delta: -26.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.69ms. Allocated memory is still 123.7MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.20ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.20ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 73.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5767.46ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 73.7MB in the beginning and 109.1MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 148.9MB. Free memory is still 109.1MB. 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 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + len and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[array] + 8 * j and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 5.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 32 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 117 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital228 mio100 ax113 hnf101 lsp81 ukn60 mio100 lsp44 div100 bol100 ite100 ukn100 eq182 hnf90 smp100 dnf124 smp91 tf100 neg96 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-19 20:30:59,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-19 20:30:59,973 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