./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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/array-memsafety/cstrncmp-alloca-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 2d5a995d825785bc5dc95f3825623b1e4ecd07fe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 21:56:25,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 21:56:25,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 21:56:25,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 21:56:25,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 21:56:25,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 21:56:25,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 21:56:25,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 21:56:25,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 21:56:25,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 21:56:25,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 21:56:25,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 21:56:25,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 21:56:25,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 21:56:25,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 21:56:25,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 21:56:25,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 21:56:25,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 21:56:25,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 21:56:25,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 21:56:25,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 21:56:25,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 21:56:25,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 21:56:25,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 21:56:25,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 21:56:25,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 21:56:25,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 21:56:25,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 21:56:25,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 21:56:25,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 21:56:25,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 21:56:25,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 21:56:25,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 21:56:25,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 21:56:25,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 21:56:25,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 21:56:25,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 21:56:25,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 21:56:25,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 21:56:25,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 21:56:25,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 21:56:25,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 21:56:25,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 21:56:25,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 21:56:25,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 21:56:25,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 21:56:25,828 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 21:56:25,829 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 21:56:25,829 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 21:56:25,829 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 21:56:25,829 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 21:56:25,829 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 21:56:25,830 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 21:56:25,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 21:56:25,830 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 21:56:25,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 21:56:25,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 21:56:25,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 21:56:25,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 21:56:25,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 21:56:25,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 21:56:25,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 21:56:25,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 21:56:25,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 21:56:25,833 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 21:56:25,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5a995d825785bc5dc95f3825623b1e4ecd07fe [2021-07-06 21:56:26,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 21:56:26,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 21:56:26,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 21:56:26,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 21:56:26,110 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 21:56:26,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2021-07-06 21:56:26,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3e17e37/a3c1653fcb214e79b97a5fd18dc145c8/FLAG0eac29775 [2021-07-06 21:56:26,586 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 21:56:26,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2021-07-06 21:56:26,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3e17e37/a3c1653fcb214e79b97a5fd18dc145c8/FLAG0eac29775 [2021-07-06 21:56:26,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3e17e37/a3c1653fcb214e79b97a5fd18dc145c8 [2021-07-06 21:56:26,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 21:56:26,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 21:56:26,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 21:56:26,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 21:56:26,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 21:56:26,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:26,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48bdad6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26, skipping insertion in model container [2021-07-06 21:56:26,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:26,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 21:56:26,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 21:56:26,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 21:56:26,886 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 21:56:26,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 21:56:26,966 INFO L208 MainTranslator]: Completed translation [2021-07-06 21:56:26,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26 WrapperNode [2021-07-06 21:56:26,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 21:56:26,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 21:56:26,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 21:56:26,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 21:56:26,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:26,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:26,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 21:56:26,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 21:56:26,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 21:56:26,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 21:56:26,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:26,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:27,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:27,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:27,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:27,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:27,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:27,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 21:56:27,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 21:56:27,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 21:56:27,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 21:56:27,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (1/1) ... [2021-07-06 21:56:27,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:27,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:27,033 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) [2021-07-06 21:56:27,035 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 [2021-07-06 21:56:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 21:56:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 21:56:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 21:56:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 21:56:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 21:56:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 21:56:27,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 21:56:27,400 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-07-06 21:56:27,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 09:56:27 BoogieIcfgContainer [2021-07-06 21:56:27,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 21:56:27,404 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 21:56:27,404 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 21:56:27,406 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 21:56:27,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 21:56:27,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 09:56:26" (1/3) ... [2021-07-06 21:56:27,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df63a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 09:56:27, skipping insertion in model container [2021-07-06 21:56:27,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 21:56:27,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:56:26" (2/3) ... [2021-07-06 21:56:27,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df63a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 09:56:27, skipping insertion in model container [2021-07-06 21:56:27,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 21:56:27,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 09:56:27" (3/3) ... [2021-07-06 21:56:27,410 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrncmp-alloca-1.i [2021-07-06 21:56:27,453 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 21:56:27,453 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 21:56:27,453 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 21:56:27,453 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 21:56:27,453 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 21:56:27,453 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 21:56:27,453 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 21:56:27,453 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 21:56:27,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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) [2021-07-06 21:56:27,481 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-07-06 21:56:27,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:56:27,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:56:27,484 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-07-06 21:56:27,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 21:56:27,484 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 21:56:27,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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) [2021-07-06 21:56:27,487 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-07-06 21:56:27,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:56:27,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:56:27,487 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-07-06 21:56:27,487 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 21:56:27,491 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 13#L532true assume !(main_~length1~0 < 1); 18#L532-2true assume !(main_~length2~0 < 1); 9#L535-1true call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 25#L541-3true [2021-07-06 21:56:27,491 INFO L793 eck$LassoCheckResult]: Loop: 25#L541-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet18, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet18; 22#L541-2true main_#t~post17 := main_~i~0;main_~i~0 := 1 + main_#t~post17;havoc main_#t~post17; 25#L541-3true [2021-07-06 21:56:27,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:27,496 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-07-06 21:56:27,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:27,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086409414] [2021-07-06 21:56:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:27,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:27,558 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:27,583 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:27,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:27,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:27,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-07-06 21:56:27,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:27,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309832647] [2021-07-06 21:56:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:27,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:27,612 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:27,622 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:27,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:27,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:27,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-07-06 21:56:27,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:27,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858535182] [2021-07-06 21:56:27,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:27,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:27,644 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:27,660 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:27,664 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:27,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 21:56:27,828 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-07-06 21:56:27,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-06 21:56:27,896 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 21:56:27,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 21:56:27,896 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 21:56:27,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 21:56:27,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 21:56:27,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:27,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 21:56:27,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 21:56:27,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration1_Lasso [2021-07-06 21:56:27,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 21:56:27,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 21:56:27,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:27,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:27,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:27,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:28,282 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 21:56:28,285 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 21:56:28,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,287 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) [2021-07-06 21:56:28,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 21:56:28,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:28,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:28,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:28,303 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 [2021-07-06 21:56:28,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,336 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 [2021-07-06 21:56:28,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,338 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) [2021-07-06 21:56:28,339 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 [2021-07-06 21:56:28,340 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 [2021-07-06 21:56:28,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:28,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:28,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:28,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-07-06 21:56:28,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,380 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) [2021-07-06 21:56:28,381 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 [2021-07-06 21:56:28,382 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 [2021-07-06 21:56:28,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:28,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:28,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:28,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,422 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 [2021-07-06 21:56:28,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,424 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) [2021-07-06 21:56:28,425 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 [2021-07-06 21:56:28,426 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 [2021-07-06 21:56:28,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:28,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:28,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,473 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 [2021-07-06 21:56:28,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,474 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) [2021-07-06 21:56:28,476 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 [2021-07-06 21:56:28,476 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 [2021-07-06 21:56:28,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:28,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:28,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:28,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-07-06 21:56:28,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,508 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) [2021-07-06 21:56:28,509 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 [2021-07-06 21:56:28,510 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 [2021-07-06 21:56:28,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:28,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:28,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,545 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 [2021-07-06 21:56:28,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,546 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) [2021-07-06 21:56:28,546 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 [2021-07-06 21:56:28,548 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 [2021-07-06 21:56:28,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:28,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:28,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:28,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,575 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 [2021-07-06 21:56:28,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,576 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) [2021-07-06 21:56:28,577 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 [2021-07-06 21:56:28,578 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 [2021-07-06 21:56:28,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:28,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:28,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,624 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 [2021-07-06 21:56:28,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,625 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) [2021-07-06 21:56:28,626 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 [2021-07-06 21:56:28,627 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 [2021-07-06 21:56:28,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:28,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:28,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,678 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 [2021-07-06 21:56:28,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,680 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) [2021-07-06 21:56:28,683 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 [2021-07-06 21:56:28,688 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 [2021-07-06 21:56:28,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:28,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:28,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:28,730 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 [2021-07-06 21:56:28,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,732 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) [2021-07-06 21:56:28,733 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 [2021-07-06 21:56:28,734 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 [2021-07-06 21:56:28,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:28,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:28,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:28,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:28,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:28,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:28,760 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 21:56:28,784 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-07-06 21:56:28,784 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-07-06 21:56:28,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:28,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:28,786 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) [2021-07-06 21:56:28,797 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 21:56:28,805 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 [2021-07-06 21:56:28,814 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 21:56:28,814 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 21:56:28,814 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-07-06 21:56:28,832 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 [2021-07-06 21:56:28,845 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-07-06 21:56:28,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:28,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 21:56:28,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:56:28,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:28,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-06 21:56:28,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:56:28,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:28,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:28,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:28,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 21:56:28,930 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 [2021-07-06 21:56:28,931 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-07-06 21:56:28,967 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 [2021-07-06 21:56:29,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 60 states and 91 transitions. Complement of second has 7 states. [2021-07-06 21:56:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 21:56:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-07-06 21:56:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2021-07-06 21:56:29,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2021-07-06 21:56:29,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:29,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2021-07-06 21:56:29,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:29,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2021-07-06 21:56:29,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:29,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 91 transitions. [2021-07-06 21:56:29,014 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-07-06 21:56:29,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 18 states and 25 transitions. [2021-07-06 21:56:29,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-07-06 21:56:29,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-07-06 21:56:29,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-07-06 21:56:29,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:56:29,019 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-07-06 21:56:29,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-07-06 21:56:29,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-07-06 21:56:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-07-06 21:56:29,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-07-06 21:56:29,039 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-07-06 21:56:29,039 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-07-06 21:56:29,039 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 21:56:29,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-07-06 21:56:29,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-07-06 21:56:29,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:56:29,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:56:29,040 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 21:56:29,040 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 21:56:29,040 INFO L791 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 166#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 167#L532 assume !(main_~length1~0 < 1); 168#L532-2 assume !(main_~length2~0 < 1); 162#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 163#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 158#L541-4 main_~i~1 := 0; 159#L546-3 [2021-07-06 21:56:29,040 INFO L793 eck$LassoCheckResult]: Loop: 159#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet20, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet20; 164#L546-2 main_#t~post19 := main_~i~1;main_~i~1 := 1 + main_#t~post19;havoc main_#t~post19; 159#L546-3 [2021-07-06 21:56:29,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:29,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-07-06 21:56:29,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:29,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122007483] [2021-07-06 21:56:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:29,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:29,047 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:29,052 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:29,054 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:29,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-07-06 21:56:29,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:29,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611903715] [2021-07-06 21:56:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:29,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:29,058 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:29,060 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:29,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:29,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:29,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-07-06 21:56:29,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:29,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499433802] [2021-07-06 21:56:29,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:29,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:29,070 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:29,077 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:29,079 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:29,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:29,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 21:56:29,223 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-07-06 21:56:29,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:29,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-07-06 21:56:29,271 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 21:56:29,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 21:56:29,272 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 21:56:29,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 21:56:29,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 21:56:29,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 21:56:29,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 21:56:29,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration2_Lasso [2021-07-06 21:56:29,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 21:56:29,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 21:56:29,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:29,622 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 21:56:29,622 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 21:56:29,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,623 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) [2021-07-06 21:56:29,625 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 [2021-07-06 21:56:29,626 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 [2021-07-06 21:56:29,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:29,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:29,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:29,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:29,664 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 [2021-07-06 21:56:29,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,665 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 21:56:29,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-07-06 21:56:29,667 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 [2021-07-06 21:56:29,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:29,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:29,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:29,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-07-06 21:56:29,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,708 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) [2021-07-06 21:56:29,709 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 [2021-07-06 21:56:29,710 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 [2021-07-06 21:56:29,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:29,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:29,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:29,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:29,747 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 [2021-07-06 21:56:29,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,749 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) [2021-07-06 21:56:29,756 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 [2021-07-06 21:56:29,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:29,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:29,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:29,766 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 [2021-07-06 21:56:29,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:29,789 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 [2021-07-06 21:56:29,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,791 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) [2021-07-06 21:56:29,792 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 [2021-07-06 21:56:29,793 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 [2021-07-06 21:56:29,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:29,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:29,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:29,831 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 [2021-07-06 21:56:29,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,832 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) [2021-07-06 21:56:29,837 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 [2021-07-06 21:56:29,839 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 [2021-07-06 21:56:29,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:29,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:29,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:29,880 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 [2021-07-06 21:56:29,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,881 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) [2021-07-06 21:56:29,884 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 [2021-07-06 21:56:29,887 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 [2021-07-06 21:56:29,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:29,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:29,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:29,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-07-06 21:56:29,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,922 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) [2021-07-06 21:56:29,926 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 [2021-07-06 21:56:29,927 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 [2021-07-06 21:56:29,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:29,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:29,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:29,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:29,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:29,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:29,954 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 21:56:29,963 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-07-06 21:56:29,963 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-07-06 21:56:29,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:29,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:29,964 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) [2021-07-06 21:56:29,965 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 [2021-07-06 21:56:29,967 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 21:56:29,974 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 21:56:29,974 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 21:56:29,974 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-07-06 21:56:29,990 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 [2021-07-06 21:56:30,001 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-07-06 21:56:30,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:30,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 21:56:30,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:56:30,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:30,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-06 21:56:30,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:56:30,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:30,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:30,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:30,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 21:56:30,066 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 [2021-07-06 21:56:30,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-07-06 21:56:30,083 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 40 transitions. Complement of second has 6 states. [2021-07-06 21:56:30,084 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 [2021-07-06 21:56:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-07-06 21:56:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-07-06 21:56:30,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2021-07-06 21:56:30,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:30,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-07-06 21:56:30,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:30,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 4 letters. [2021-07-06 21:56:30,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:30,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2021-07-06 21:56:30,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:30,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 27 transitions. [2021-07-06 21:56:30,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-07-06 21:56:30,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-07-06 21:56:30,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2021-07-06 21:56:30,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:56:30,093 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-07-06 21:56:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2021-07-06 21:56:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-07-06 21:56:30,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 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) [2021-07-06 21:56:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2021-07-06 21:56:30,094 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-07-06 21:56:30,094 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-07-06 21:56:30,094 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-07-06 21:56:30,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2021-07-06 21:56:30,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:30,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:56:30,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:56:30,095 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 21:56:30,095 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-07-06 21:56:30,095 INFO L791 eck$LassoCheckResult]: Stem: 290#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 286#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 287#L532 assume !(main_~length1~0 < 1); 288#L532-2 assume !(main_~length2~0 < 1); 281#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 282#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 277#L541-4 main_~i~1 := 0; 278#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 285#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 289#L517 assume !(0 == cstrncmp_~n); 279#L519-5 [2021-07-06 21:56:30,095 INFO L793 eck$LassoCheckResult]: Loop: 279#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 280#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 275#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~short5;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 276#L520 assume cstrncmp_#t~short7; 291#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 279#L519-5 [2021-07-06 21:56:30,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2021-07-06 21:56:30,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870262889] [2021-07-06 21:56:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,105 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,130 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,133 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:30,136 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 [2021-07-06 21:56:30,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,139 INFO L82 PathProgramCache]: Analyzing trace with hash 79307716, now seen corresponding path program 1 times [2021-07-06 21:56:30,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758500572] [2021-07-06 21:56:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:30,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 21:56:30,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 21:56:30,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758500572] [2021-07-06 21:56:30,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758500572] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 21:56:30,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 21:56:30,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-06 21:56:30,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538074029] [2021-07-06 21:56:30,161 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-07-06 21:56:30,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 21:56:30,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 21:56:30,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 21:56:30,163 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2021-07-06 21:56:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 21:56:30,170 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-07-06 21:56:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 21:56:30,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-07-06 21:56:30,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:30,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 26 transitions. [2021-07-06 21:56:30,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-07-06 21:56:30,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-07-06 21:56:30,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-07-06 21:56:30,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:56:30,172 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-07-06 21:56:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-07-06 21:56:30,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-07-06 21:56:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-07-06 21:56:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-07-06 21:56:30,173 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-07-06 21:56:30,173 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-07-06 21:56:30,173 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-07-06 21:56:30,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-07-06 21:56:30,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:30,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:56:30,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:56:30,173 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 21:56:30,173 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-07-06 21:56:30,174 INFO L791 eck$LassoCheckResult]: Stem: 335#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 331#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 332#L532 assume !(main_~length1~0 < 1); 333#L532-2 assume !(main_~length2~0 < 1); 326#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 327#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 322#L541-4 main_~i~1 := 0; 323#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 330#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 334#L517 assume !(0 == cstrncmp_~n); 324#L519-5 [2021-07-06 21:56:30,174 INFO L793 eck$LassoCheckResult]: Loop: 324#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 325#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 320#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~short5;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 321#L520 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 336#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 324#L519-5 [2021-07-06 21:56:30,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 2 times [2021-07-06 21:56:30,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155632097] [2021-07-06 21:56:30,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,182 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,189 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,192 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:30,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,192 INFO L82 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 1 times [2021-07-06 21:56:30,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788086831] [2021-07-06 21:56:30,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,197 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,200 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,202 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:30,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1988601847, now seen corresponding path program 1 times [2021-07-06 21:56:30,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528072898] [2021-07-06 21:56:30,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:30,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 21:56:30,274 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-06 21:56:30,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-06 21:56:30,308 INFO L142 QuantifierPusher]: treesize reduction 17, result has 72.1 percent of original size [2021-07-06 21:56:30,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-06 21:56:30,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 21:56:30,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 21:56:30,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 21:56:30,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528072898] [2021-07-06 21:56:30,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528072898] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 21:56:30,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 21:56:30,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-06 21:56:30,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042666422] [2021-07-06 21:56:30,472 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-06 21:56:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-06 21:56:30,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 21:56:30,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-06 21:56:30,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-06 21:56:30,516 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 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) [2021-07-06 21:56:30,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 21:56:30,590 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-07-06 21:56:30,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-06 21:56:30,591 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-07-06 21:56:30,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:30,592 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2021-07-06 21:56:30,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-07-06 21:56:30,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-07-06 21:56:30,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-07-06 21:56:30,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:56:30,592 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-07-06 21:56:30,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-07-06 21:56:30,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-07-06 21:56:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 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) [2021-07-06 21:56:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-07-06 21:56:30,593 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-07-06 21:56:30,593 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-07-06 21:56:30,593 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-07-06 21:56:30,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-07-06 21:56:30,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:30,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:56:30,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:56:30,594 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 21:56:30,594 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-07-06 21:56:30,594 INFO L791 eck$LassoCheckResult]: Stem: 401#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 397#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 398#L532 assume !(main_~length1~0 < 1); 399#L532-2 assume !(main_~length2~0 < 1); 392#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 393#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet18, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet18; 403#L541-2 main_#t~post17 := main_~i~0;main_~i~0 := 1 + main_#t~post17;havoc main_#t~post17; 404#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 388#L541-4 main_~i~1 := 0; 389#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 396#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 400#L517 assume !(0 == cstrncmp_~n); 390#L519-5 [2021-07-06 21:56:30,594 INFO L793 eck$LassoCheckResult]: Loop: 390#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 391#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 386#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~short5;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 387#L520 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 402#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 390#L519-5 [2021-07-06 21:56:30,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2021-07-06 21:56:30,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718698828] [2021-07-06 21:56:30,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,603 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,609 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:30,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,612 INFO L82 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 2 times [2021-07-06 21:56:30,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025748051] [2021-07-06 21:56:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,632 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:30,635 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:30,637 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:30,645 INFO L82 PathProgramCache]: Analyzing trace with hash -350531861, now seen corresponding path program 1 times [2021-07-06 21:56:30,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:30,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783501559] [2021-07-06 21:56:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:30,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:30,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 21:56:30,691 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-07-06 21:56:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-06 21:56:30,703 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-06 21:56:30,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-06 21:56:30,719 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-07-06 21:56:30,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-06 21:56:30,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 21:56:30,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-06 21:56:30,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 21:56:30,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-06 21:56:30,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 21:56:30,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783501559] [2021-07-06 21:56:30,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783501559] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 21:56:30,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 21:56:30,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-06 21:56:30,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834275726] [2021-07-06 21:56:30,866 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-06 21:56:30,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:30,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-06 21:56:30,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 21:56:30,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-06 21:56:30,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-07-06 21:56:30,904 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 21:56:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 21:56:31,029 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2021-07-06 21:56:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-06 21:56:31,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2021-07-06 21:56:31,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:31,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 24 transitions. [2021-07-06 21:56:31,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-07-06 21:56:31,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-07-06 21:56:31,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2021-07-06 21:56:31,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:56:31,030 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-07-06 21:56:31,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2021-07-06 21:56:31,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-07-06 21:56:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 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) [2021-07-06 21:56:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-07-06 21:56:31,031 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-07-06 21:56:31,031 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-07-06 21:56:31,031 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-07-06 21:56:31,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2021-07-06 21:56:31,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-07-06 21:56:31,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:56:31,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:56:31,032 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 21:56:31,032 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-07-06 21:56:31,032 INFO L791 eck$LassoCheckResult]: Stem: 481#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 477#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet18, main_#t~post17, main_~i~0, main_#t~nondet20, main_#t~post19, main_~i~1, main_#t~nondet21, main_#t~ret22, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 478#L532 assume !(main_~length1~0 < 1); 479#L532-2 assume !(main_~length2~0 < 1); 472#L535-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;main_~i~0 := 0; 473#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet18, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet18; 483#L541-2 main_#t~post17 := main_~i~0;main_~i~0 := 1 + main_#t~post17;havoc main_#t~post17; 484#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 468#L541-4 main_~i~1 := 0; 469#L546-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet20, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet20; 474#L546-2 main_#t~post19 := main_~i~1;main_~i~1 := 1 + main_#t~post19;havoc main_#t~post19; 475#L546-3 assume !(main_~i~1 < main_~length2~0 - 1); 476#L546-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet21;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 480#L517 assume !(0 == cstrncmp_~n); 470#L519-5 [2021-07-06 21:56:31,032 INFO L793 eck$LassoCheckResult]: Loop: 470#L519-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 471#L519-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 466#L519-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~short5;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 467#L520 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 482#L520-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 470#L519-5 [2021-07-06 21:56:31,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:31,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2021-07-06 21:56:31,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:31,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268655511] [2021-07-06 21:56:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:31,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:31,040 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:31,046 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:31,049 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:31,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:31,049 INFO L82 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 3 times [2021-07-06 21:56:31,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:31,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675260317] [2021-07-06 21:56:31,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:31,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:31,052 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:31,055 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:31,056 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:31,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:31,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1018233459, now seen corresponding path program 1 times [2021-07-06 21:56:31,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:56:31,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396400052] [2021-07-06 21:56:31,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:56:31,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:56:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:31,072 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:56:31,101 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:56:31,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:56:31,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:31,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-06 21:56:31,630 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 115 [2021-07-06 21:56:31,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:31,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 21:56:31,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:31,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-07-06 21:56:31,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-07-06 21:56:31,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:31,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 21:56:31,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:31,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-07-06 21:56:31,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-07-06 21:56:31,767 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-07-06 21:56:31,773 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 21:56:31,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 21:56:31,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 21:56:31,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 21:56:31,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 21:56:31,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:31,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 21:56:31,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 21:56:31,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration6_Lasso [2021-07-06 21:56:31,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 21:56:31,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 21:56:31,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:31,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,115 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2021-07-06 21:56:32,247 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-07-06 21:56:32,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 21:56:32,512 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-07-06 21:56:32,879 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 21:56:32,879 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 21:56:32,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:32,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:32,880 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) [2021-07-06 21:56:32,881 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 [2021-07-06 21:56:32,883 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 [2021-07-06 21:56:32,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:32,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:32,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:32,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:32,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:32,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:32,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:32,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:32,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-07-06 21:56:32,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:32,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:32,908 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) [2021-07-06 21:56:32,909 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 [2021-07-06 21:56:32,910 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 [2021-07-06 21:56:32,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:32,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:32,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:32,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:32,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:32,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:32,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:32,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:32,934 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 [2021-07-06 21:56:32,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:32,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:32,935 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) [2021-07-06 21:56:32,935 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 [2021-07-06 21:56:32,937 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 [2021-07-06 21:56:32,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:32,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:32,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:32,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:32,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:32,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:32,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:32,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:32,960 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 [2021-07-06 21:56:32,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:32,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:32,961 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) [2021-07-06 21:56:32,962 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 [2021-07-06 21:56:32,963 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 [2021-07-06 21:56:32,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:32,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:32,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:32,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:32,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:32,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:32,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:32,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:32,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-07-06 21:56:32,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:32,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:32,986 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) [2021-07-06 21:56:32,986 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 [2021-07-06 21:56:32,988 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 [2021-07-06 21:56:32,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:32,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:32,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:32,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:32,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:32,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:32,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,011 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 [2021-07-06 21:56:33,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,012 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) [2021-07-06 21:56:33,013 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 [2021-07-06 21:56:33,015 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 [2021-07-06 21:56:33,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-07-06 21:56:33,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,040 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) [2021-07-06 21:56:33,041 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 [2021-07-06 21:56:33,042 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 [2021-07-06 21:56:33,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,066 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 [2021-07-06 21:56:33,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,067 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) [2021-07-06 21:56:33,068 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 [2021-07-06 21:56:33,069 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 [2021-07-06 21:56:33,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,092 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 [2021-07-06 21:56:33,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,098 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) [2021-07-06 21:56:33,099 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 [2021-07-06 21:56:33,100 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 [2021-07-06 21:56:33,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-07-06 21:56:33,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,124 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) [2021-07-06 21:56:33,125 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 [2021-07-06 21:56:33,126 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 [2021-07-06 21:56:33,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,170 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 [2021-07-06 21:56:33,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,171 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) [2021-07-06 21:56:33,172 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 [2021-07-06 21:56:33,173 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 [2021-07-06 21:56:33,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-07-06 21:56:33,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,197 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) [2021-07-06 21:56:33,198 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 [2021-07-06 21:56:33,199 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 [2021-07-06 21:56:33,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-07-06 21:56:33,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,228 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) [2021-07-06 21:56:33,228 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 [2021-07-06 21:56:33,230 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 [2021-07-06 21:56:33,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-07-06 21:56:33,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,254 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) [2021-07-06 21:56:33,260 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 [2021-07-06 21:56:33,261 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 [2021-07-06 21:56:33,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,284 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 [2021-07-06 21:56:33,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,286 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2021-07-06 21:56:33,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-07-06 21:56:33,289 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 [2021-07-06 21:56:33,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:56:33,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:56:33,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:56:33,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-07-06 21:56:33,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,321 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2021-07-06 21:56:33,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-07-06 21:56:33,323 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 [2021-07-06 21:56:33,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-07-06 21:56:33,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,352 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2021-07-06 21:56:33,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-07-06 21:56:33,354 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 [2021-07-06 21:56:33,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-07-06 21:56:33,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,385 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2021-07-06 21:56:33,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-07-06 21:56:33,387 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 [2021-07-06 21:56:33,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-07-06 21:56:33,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,413 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2021-07-06 21:56:33,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-07-06 21:56:33,415 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 [2021-07-06 21:56:33,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-07-06 21:56:33,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,473 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2021-07-06 21:56:33,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-07-06 21:56:33,475 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 [2021-07-06 21:56:33,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-07-06 21:56:33,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,506 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2021-07-06 21:56:33,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-07-06 21:56:33,508 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 [2021-07-06 21:56:33,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:56:33,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-07-06 21:56:33,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,558 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2021-07-06 21:56:33,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-07-06 21:56:33,560 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 [2021-07-06 21:56:33,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:56:33,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:56:33,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:56:33,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:56:33,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:56:33,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:56:33,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 21:56:33,662 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2021-07-06 21:56:33,662 INFO L444 ModelExtractionUtils]: 14 out of 49 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-07-06 21:56:33,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:56:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:56:33,673 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2021-07-06 21:56:33,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-07-06 21:56:33,675 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 21:56:33,682 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 21:56:33,682 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 21:56:33,682 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncmp_~s1.base)_1, ULTIMATE.start_cstrncmp_~s2.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncmp_~s1.base)_1 - 1*ULTIMATE.start_cstrncmp_~s2.offset Supporting invariants [] [2021-07-06 21:56:33,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-07-06 21:56:33,758 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2021-07-06 21:56:33,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:56:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:33,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-06 21:56:33,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:56:33,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:56:33,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-06 21:56:33,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:56:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 21:56:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:56:33,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-06 21:56:33,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:56:33,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:33,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:33,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:33,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:56:33,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:56:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:56:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:56:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:56:33,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:56:33,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:56:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 21:56:33,891 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-07-06 21:56:33,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-07-06 21:56:33,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-07-06 21:56:33,959 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 24 states and 29 transitions. Complement of second has 8 states. [2021-07-06 21:56:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 21:56:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-07-06 21:56:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-07-06 21:56:33,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 5 letters. [2021-07-06 21:56:33,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:33,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 19 letters. Loop has 5 letters. [2021-07-06 21:56:33,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:33,960 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 10 letters. [2021-07-06 21:56:33,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:56:33,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-07-06 21:56:33,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 21:56:33,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-07-06 21:56:33,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 21:56:33,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 21:56:33,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 21:56:33,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:56:33,960 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 21:56:33,960 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 21:56:33,960 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 21:56:33,961 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-07-06 21:56:33,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 21:56:33,961 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 21:56:33,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 21:56:33,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 09:56:33 BoogieIcfgContainer [2021-07-06 21:56:33,964 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 21:56:33,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 21:56:33,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 21:56:33,965 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 21:56:33,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 09:56:27" (3/4) ... [2021-07-06 21:56:33,967 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 21:56:33,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 21:56:33,967 INFO L168 Benchmark]: Toolchain (without parser) took 7354.00 ms. Allocated memory was 50.3 MB in the beginning and 159.4 MB in the end (delta: 109.1 MB). Free memory was 26.1 MB in the beginning and 128.8 MB in the end (delta: -102.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-07-06 21:56:33,967 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 50.3 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 21:56:33,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.32 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 33.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-07-06 21:56:33,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.64 ms. Allocated memory is still 60.8 MB. Free memory was 33.4 MB in the beginning and 31.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 21:56:33,968 INFO L168 Benchmark]: Boogie Preprocessor took 16.37 ms. Allocated memory is still 60.8 MB. Free memory was 31.5 MB in the beginning and 30.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 21:56:33,968 INFO L168 Benchmark]: RCFGBuilder took 392.78 ms. Allocated memory is still 60.8 MB. Free memory was 29.9 MB in the beginning and 26.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-07-06 21:56:33,968 INFO L168 Benchmark]: BuchiAutomizer took 6560.63 ms. Allocated memory was 60.8 MB in the beginning and 159.4 MB in the end (delta: 98.6 MB). Free memory was 26.3 MB in the beginning and 128.8 MB in the end (delta: -102.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 21:56:33,968 INFO L168 Benchmark]: Witness Printer took 2.03 ms. Allocated memory is still 159.4 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 21:56:33,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 50.3 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 351.32 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 33.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 24.64 ms. Allocated memory is still 60.8 MB. Free memory was 33.4 MB in the beginning and 31.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.37 ms. Allocated memory is still 60.8 MB. Free memory was 31.5 MB in the beginning and 30.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 392.78 ms. Allocated memory is still 60.8 MB. Free memory was 29.9 MB in the beginning and 26.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6560.63 ms. Allocated memory was 60.8 MB in the beginning and 159.4 MB in the end (delta: 98.6 MB). Free memory was 26.3 MB in the beginning and 128.8 MB in the end (delta: -102.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.03 ms. Allocated memory is still 159.4 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * s2 + unknown-#length-unknown[s1] and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 11.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114 SDtfs, 188 SDslu, 197 SDs, 0 SdLazy, 127 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax110 hnf98 lsp82 ukn73 mio100 lsp49 div100 bol100 ite100 ukn100 eq178 hnf90 smp96 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2021-07-06 21:56:33,988 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...