./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.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/openbsd_cstrcpy-alloca-2.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 5731971c09a136eb079f9cbecfc34cb6e82f7a1b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:57:11,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 21:57:11,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 21:57:11,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 21:57:11,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 21:57:11,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 21:57:11,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 21:57:11,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 21:57:11,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 21:57:11,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 21:57:11,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 21:57:11,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 21:57:11,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 21:57:11,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 21:57:11,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 21:57:11,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 21:57:11,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 21:57:11,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 21:57:11,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 21:57:11,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 21:57:11,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 21:57:11,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 21:57:11,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 21:57:11,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 21:57:11,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 21:57:11,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 21:57:11,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 21:57:11,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 21:57:11,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 21:57:11,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 21:57:11,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 21:57:11,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 21:57:11,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 21:57:11,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 21:57:11,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 21:57:11,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 21:57:11,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 21:57:11,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 21:57:11,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 21:57:11,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 21:57:11,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 21:57:11,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 21:57:11,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 21:57:11,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 21:57:11,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 21:57:11,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 21:57:11,212 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 21:57:11,212 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 21:57:11,212 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 21:57:11,212 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 21:57:11,212 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 21:57:11,213 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 21:57:11,213 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 21:57:11,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 21:57:11,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 21:57:11,214 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 21:57:11,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 21:57:11,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 21:57:11,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 21:57:11,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 21:57:11,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 21:57:11,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 21:57:11,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 21:57:11,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 21:57:11,215 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 21:57:11,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 21:57:11,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 21:57:11,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 21:57:11,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 21:57:11,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 21:57:11,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 21:57:11,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 21:57:11,217 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 21:57:11,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2021-07-06 21:57:11,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 21:57:11,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 21:57:11,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 21:57:11,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 21:57:11,568 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 21:57:11,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-07-06 21:57:11,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eccacd2f1/6d35e9ae54484729afaec47c89e75d1d/FLAGb67a6d568 [2021-07-06 21:57:12,180 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 21:57:12,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2021-07-06 21:57:12,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eccacd2f1/6d35e9ae54484729afaec47c89e75d1d/FLAGb67a6d568 [2021-07-06 21:57:12,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eccacd2f1/6d35e9ae54484729afaec47c89e75d1d [2021-07-06 21:57:12,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 21:57:12,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 21:57:12,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 21:57:12,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 21:57:12,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 21:57:12,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:12,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3d7235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12, skipping insertion in model container [2021-07-06 21:57:12,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:12,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 21:57:12,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 21:57:12,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 21:57:12,913 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 21:57:12,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 21:57:12,977 INFO L208 MainTranslator]: Completed translation [2021-07-06 21:57:12,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12 WrapperNode [2021-07-06 21:57:12,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 21:57:12,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 21:57:12,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 21:57:12,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 21:57:12,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:12,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 21:57:13,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 21:57:13,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 21:57:13,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 21:57:13,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 21:57:13,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 21:57:13,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 21:57:13,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 21:57:13,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (1/1) ... [2021-07-06 21:57:13,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:13,053 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 21:57:13,084 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 21:57:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 21:57:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 21:57:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 21:57:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 21:57:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 21:57:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 21:57:13,404 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 21:57:13,404 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-06 21:57:13,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 09:57:13 BoogieIcfgContainer [2021-07-06 21:57:13,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 21:57:13,407 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 21:57:13,407 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 21:57:13,409 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 21:57:13,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 21:57:13,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 09:57:12" (1/3) ... [2021-07-06 21:57:13,411 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a2ae65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 09:57:13, skipping insertion in model container [2021-07-06 21:57:13,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 21:57:13,411 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 09:57:12" (2/3) ... [2021-07-06 21:57:13,412 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a2ae65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 09:57:13, skipping insertion in model container [2021-07-06 21:57:13,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 21:57:13,412 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 09:57:13" (3/3) ... [2021-07-06 21:57:13,413 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-2.i [2021-07-06 21:57:13,461 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 21:57:13,461 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 21:57:13,461 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 21:57:13,461 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 21:57:13,461 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 21:57:13,461 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 21:57:13,462 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 21:57:13,462 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 21:57:13,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 21:57:13,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-07-06 21:57:13,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:57:13,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:57:13,497 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-07-06 21:57:13,497 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 21:57:13,497 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 21:57:13,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 21:57:13,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-07-06 21:57:13,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:57:13,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:57:13,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-07-06 21:57:13,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 21:57:13,507 INFO L791 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 7#L523true assume !(main_~length1~0 < 1); 11#L523-2true assume !(main_~length2~0 < 1); 4#L526-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 13#L534-3true [2021-07-06 21:57:13,508 INFO L793 eck$LassoCheckResult]: Loop: 13#L534-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 10#L534-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 13#L534-3true [2021-07-06 21:57:13,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:13,518 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-07-06 21:57:13,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:13,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775633761] [2021-07-06 21:57:13,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:13,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:13,631 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:13,662 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:13,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:13,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:13,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2021-07-06 21:57:13,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:13,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565774797] [2021-07-06 21:57:13,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:13,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:13,709 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:13,719 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:13,721 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:13,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:13,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2021-07-06 21:57:13,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:13,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030684607] [2021-07-06 21:57:13,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:13,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:13,760 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:13,777 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:13,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:13,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 21:57:14,076 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-07-06 21:57:14,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:14,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-06 21:57:14,212 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 21:57:14,212 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 21:57:14,213 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 21:57:14,213 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 21:57:14,213 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 21:57:14,213 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:14,213 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 21:57:14,213 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 21:57:14,213 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration1_Lasso [2021-07-06 21:57:14,213 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 21:57:14,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 21:57:14,246 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 21:57:14,257 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 21:57:14,262 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 21:57:14,265 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 21:57:14,267 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 21:57:14,271 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 21:57:14,275 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 21:57:14,279 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 21:57:14,283 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 21:57:14,286 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 21:57:14,289 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 21:57:14,293 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 21:57:14,455 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 21:57:14,751 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 21:57:14,754 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 21:57:14,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:14,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:14,761 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 21:57:14,771 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 21:57:14,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:14,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:14,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:14,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:14,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:14,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:14,797 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 21:57:14,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:14,844 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 21:57:14,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:14,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:14,847 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 21:57:14,848 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 21:57:14,850 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 21:57:14,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:14,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:14,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:14,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:14,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:14,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:14,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:14,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:14,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:14,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:14,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:14,895 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 21:57:14,908 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 21:57:14,915 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 21:57:14,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:14,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:14,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:14,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:14,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:14,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:14,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:14,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:14,956 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 21:57:14,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:14,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:14,961 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 21:57:14,966 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 21:57:14,970 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 21:57:14,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:14,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:14,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:14,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:14,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:14,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:14,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:14,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:14,993 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 21:57:14,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:14,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:14,994 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 21:57:15,001 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 21:57:15,002 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 21:57:15,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:15,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,048 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 21:57:15,048 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 21:57:15,049 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 21:57:15,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:15,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:15,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:15,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,075 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 21:57:15,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,077 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 21:57:15,078 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 21:57:15,079 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 21:57:15,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,116 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 21:57:15,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,118 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 21:57:15,118 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 21:57:15,120 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 21:57:15,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-07-06 21:57:15,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,165 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 21:57:15,165 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 21:57:15,167 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 21:57:15,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,217 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 21:57:15,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,218 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 21:57:15,220 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 21:57:15,221 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 21:57:15,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:15,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:15,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:15,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,247 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 21:57:15,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,248 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 21:57:15,249 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 21:57:15,250 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 21:57:15,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,315 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 21:57:15,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,317 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 21:57:15,325 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 21:57:15,325 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 21:57:15,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:15,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:15,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:15,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,371 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 21:57:15,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,372 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 21:57:15,378 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 21:57:15,378 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 21:57:15,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:15,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,431 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 21:57:15,445 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 21:57:15,445 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 21:57:15,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,483 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 21:57:15,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,484 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 21:57:15,485 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 21:57:15,486 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 21:57:15,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:15,555 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 21:57:15,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,558 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 21:57:15,563 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 21:57:15,564 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 21:57:15,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:15,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:15,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:15,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:15,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:15,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:15,601 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 21:57:15,621 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-07-06 21:57:15,621 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-07-06 21:57:15,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:15,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:15,645 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 21:57:15,680 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 21:57:15,682 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 21:57:15,702 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 21:57:15,702 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 21:57:15,703 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-07-06 21:57:15,730 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 21:57:15,748 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-07-06 21:57:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:57:15,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 21:57:15,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:57:15,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:57:15,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-06 21:57:15,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:57:15,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:57:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:57:15,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:57:15,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:15,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-06 21:57:15,847 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 21:57:15,859 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 21:57:15,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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 21:57:15,909 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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 39 states and 50 transitions. Complement of second has 7 states. [2021-07-06 21:57:15,910 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 21:57:15,911 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 21:57:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2021-07-06 21:57:15,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2021-07-06 21:57:15,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:57:15,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 7 letters. Loop has 2 letters. [2021-07-06 21:57:15,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:57:15,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 4 letters. [2021-07-06 21:57:15,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:57:15,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-07-06 21:57:15,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 21:57:15,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 12 states and 16 transitions. [2021-07-06 21:57:15,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-07-06 21:57:15,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-07-06 21:57:15,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-07-06 21:57:15,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:57:15,932 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-07-06 21:57:15,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-07-06 21:57:15,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-07-06 21:57:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 21:57:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-07-06 21:57:15,953 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-07-06 21:57:15,953 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-07-06 21:57:15,954 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 21:57:15,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-07-06 21:57:15,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 21:57:15,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:57:15,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:57:15,955 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 21:57:15,955 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 21:57:15,955 INFO L791 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 131#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 132#L523 assume !(main_~length1~0 < 1); 133#L523-2 assume !(main_~length2~0 < 1); 134#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 135#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 136#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 138#L517-4 [2021-07-06 21:57:15,956 INFO L793 eck$LassoCheckResult]: Loop: 138#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 129#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 130#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 138#L517-4 [2021-07-06 21:57:15,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:15,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2021-07-06 21:57:15,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:15,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034077198] [2021-07-06 21:57:15,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:15,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:15,991 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,002 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:16,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:16,013 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 1 times [2021-07-06 21:57:16,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:16,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674996247] [2021-07-06 21:57:16,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:16,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,026 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,032 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:16,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:16,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1713552629, now seen corresponding path program 1 times [2021-07-06 21:57:16,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:16,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416525925] [2021-07-06 21:57:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:16,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:57:16,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:16,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 21:57:16,149 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-06 21:57:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-06 21:57:16,187 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-07-06 21:57:16,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-06 21:57:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 21:57:16,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 21:57:16,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,250 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 21:57:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:16,253 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 21:57:16,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 21:57:16,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416525925] [2021-07-06 21:57:16,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416525925] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 21:57:16,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 21:57:16,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-06 21:57:16,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154627171] [2021-07-06 21:57:16,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-06 21:57:16,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 21:57:16,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-06 21:57:16,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-06 21:57:16,330 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 21:57:16,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 21:57:16,400 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-07-06 21:57:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-06 21:57:16,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-07-06 21:57:16,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 21:57:16,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2021-07-06 21:57:16,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-07-06 21:57:16,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-07-06 21:57:16,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-07-06 21:57:16,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:57:16,407 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-07-06 21:57:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-07-06 21:57:16,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-07-06 21:57:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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 21:57:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-07-06 21:57:16,409 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-07-06 21:57:16,409 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-07-06 21:57:16,409 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-07-06 21:57:16,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-07-06 21:57:16,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 21:57:16,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 21:57:16,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 21:57:16,412 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 21:57:16,412 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 21:57:16,412 INFO L791 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 175#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 176#L523 assume !(main_~length1~0 < 1); 177#L523-2 assume !(main_~length2~0 < 1); 178#L526-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 179#L534-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 171#L534-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 172#L534-3 assume !(main_~i~0 < main_~length2~0 - 1); 180#L534-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 182#L517-4 [2021-07-06 21:57:16,412 INFO L793 eck$LassoCheckResult]: Loop: 182#L517-4 call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 173#L517-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 174#L517-3 cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 182#L517-4 [2021-07-06 21:57:16,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:16,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2021-07-06 21:57:16,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:16,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246960678] [2021-07-06 21:57:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:16,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,421 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,428 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,431 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:16,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:16,432 INFO L82 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 2 times [2021-07-06 21:57:16,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:16,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349463692] [2021-07-06 21:57:16,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:16,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,440 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,444 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:16,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:16,447 INFO L82 PathProgramCache]: Analyzing trace with hash -894230189, now seen corresponding path program 1 times [2021-07-06 21:57:16,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 21:57:16,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491929146] [2021-07-06 21:57:16,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 21:57:16,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 21:57:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,470 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 21:57:16,481 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 21:57:16,484 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 21:57:16,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-06 21:57:16,842 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2021-07-06 21:57:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 21:57:16,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:57:16,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-07-06 21:57:16,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 21:57:16,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:16,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:57:16,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-07-06 21:57:16,982 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-06 21:57:16,985 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 21:57:16,985 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 21:57:16,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 21:57:16,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 21:57:16,986 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 21:57:16,986 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:16,986 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 21:57:16,986 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 21:57:16,986 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration3_Lasso [2021-07-06 21:57:16,986 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 21:57:16,986 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 21:57:16,993 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 21:57:16,996 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 21:57:16,998 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 21:57:17,001 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 21:57:17,004 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 21:57:17,006 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 21:57:17,010 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 21:57:17,013 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 21:57:17,021 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 21:57:17,023 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 21:57:17,025 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 21:57:17,027 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 21:57:17,031 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 21:57:17,258 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-07-06 21:57:17,366 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 21:57:17,369 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 21:57:17,371 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 21:57:17,373 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 21:57:17,375 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 21:57:17,378 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 21:57:17,381 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 21:57:17,878 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 21:57:17,879 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 21:57:17,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:17,882 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 21:57:17,882 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 21:57:17,884 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 21:57:17,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:17,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:17,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:17,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:17,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:17,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:17,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:17,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:17,945 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 21:57:17,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:17,946 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 21:57:17,949 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 21:57:17,950 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 21:57:17,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:17,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:17,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:17,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:17,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:17,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:17,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:17,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:17,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:17,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:17,974 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 21:57:17,977 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 21:57:17,978 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 21:57:17,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:17,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:17,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:17,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:17,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:17,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:17,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:17,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,001 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 21:57:18,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,002 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 21:57:18,004 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 21:57:18,005 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 21:57:18,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,069 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 21:57:18,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,070 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 21:57:18,072 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 21:57:18,073 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 21:57:18,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:18,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,102 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 21:57:18,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,103 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 21:57:18,104 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 21:57:18,106 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 21:57:18,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,146 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 21:57:18,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,147 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 21:57:18,148 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 21:57:18,149 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 21:57:18,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:18,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,186 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 21:57:18,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,187 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 21:57:18,189 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 21:57:18,190 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 21:57:18,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:18,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,214 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 21:57:18,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,216 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 21:57:18,217 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 21:57:18,218 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 21:57:18,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:18,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-07-06 21:57:18,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,288 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 21:57:18,289 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 21:57:18,290 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 21:57:18,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:18,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:18,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,319 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 21:57:18,320 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 21:57:18,321 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 21:57:18,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:18,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:18,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,384 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 21:57:18,393 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 21:57:18,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,406 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 21:57:18,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,446 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 21:57:18,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,447 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 21:57:18,448 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 21:57:18,450 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 21:57:18,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 21:57:18,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-07-06 21:57:18,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,477 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 21:57:18,477 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 21:57:18,479 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 21:57:18,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,521 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 21:57:18,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,522 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 21:57:18,522 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 21:57:18,524 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 21:57:18,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:18,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,559 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 21:57:18,560 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 21:57:18,561 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 21:57:18,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:18,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,596 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 21:57:18,597 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 21:57:18,598 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 21:57:18,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 21:57:18,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,605 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-07-06 21:57:18,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,606 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-07-06 21:57:18,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 21:57:18,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,622 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 21:57:18,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,624 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 21:57:18,624 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 21:57:18,626 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 21:57:18,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-07-06 21:57:18,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,653 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 21:57:18,655 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 21:57:18,669 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 21:57:18,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 21:57:18,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-07-06 21:57:18,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,732 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 21:57:18,732 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 21:57:18,734 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 21:57:18,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 21:57:18,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 21:57:18,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 21:57:18,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 21:57:18,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 21:57:18,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 21:57:18,784 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 21:57:18,822 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-07-06 21:57:18,823 INFO L444 ModelExtractionUtils]: 27 out of 46 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-07-06 21:57:18,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 21:57:18,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 21:57:18,829 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 21:57:18,830 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 21:57:18,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 21:57:18,850 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 21:57:18,850 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 21:57:18,850 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2) = -1*ULTIMATE.start_cstrcpy_~to.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2 Supporting invariants [] [2021-07-06 21:57:18,876 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 21:57:18,901 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-07-06 21:57:18,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 21:57:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:57:18,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 21:57:18,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:57:18,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 21:57:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:18,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,000 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 21:57:19,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 21:57:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 21:57:19,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 21:57:19,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 21:57:19,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:57:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:57:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:57:19,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 21:57:19,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:57:19,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:57:19,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:57:19,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 21:57:19,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 21:57:19,060 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 21:57:19,060 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-07-06 21:57:19,060 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 21:57:19,096 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 5 states. [2021-07-06 21:57:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-07-06 21:57:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 21:57:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-07-06 21:57:19,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2021-07-06 21:57:19,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:57:19,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2021-07-06 21:57:19,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:57:19,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2021-07-06 21:57:19,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 21:57:19,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-07-06 21:57:19,101 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 21:57:19,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-07-06 21:57:19,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 21:57:19,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 21:57:19,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 21:57:19,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 21:57:19,102 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 21:57:19,102 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 21:57:19,102 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 21:57:19,102 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-07-06 21:57:19,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 21:57:19,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 21:57:19,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 21:57:19,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 09:57:19 BoogieIcfgContainer [2021-07-06 21:57:19,108 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 21:57:19,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 21:57:19,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 21:57:19,109 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 21:57:19,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 09:57:13" (3/4) ... [2021-07-06 21:57:19,112 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 21:57:19,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 21:57:19,112 INFO L168 Benchmark]: Toolchain (without parser) took 6497.28 ms. Allocated memory was 69.2 MB in the beginning and 134.2 MB in the end (delta: 65.0 MB). Free memory was 51.9 MB in the beginning and 95.2 MB in the end (delta: -43.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-07-06 21:57:19,113 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 51.0 MB in the end (delta: 60.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 21:57:19,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.61 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 40.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-07-06 21:57:19,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.68 ms. Allocated memory is still 69.2 MB. Free memory was 40.9 MB in the beginning and 39.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 21:57:19,114 INFO L168 Benchmark]: Boogie Preprocessor took 19.39 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 37.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 21:57:19,114 INFO L168 Benchmark]: RCFGBuilder took 375.32 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 37.7 MB in the beginning and 66.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 21:57:19,115 INFO L168 Benchmark]: BuchiAutomizer took 5701.49 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 66.4 MB in the beginning and 95.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-07-06 21:57:19,115 INFO L168 Benchmark]: Witness Printer took 3.21 ms. Allocated memory is still 134.2 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 21:57:19,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 51.0 MB in the end (delta: 60.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.61 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 40.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.68 ms. Allocated memory is still 69.2 MB. Free memory was 40.9 MB in the beginning and 39.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.39 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 37.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 375.32 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 37.7 MB in the beginning and 66.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5701.49 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 66.4 MB in the beginning and 95.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.21 ms. Allocated memory is still 134.2 MB. Free memory is still 95.2 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length2 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * to and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 13.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 46 SDslu, 42 SDs, 0 SdLazy, 43 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital169 mio100 ax111 hnf98 lsp84 ukn80 mio100 lsp54 div100 bol100 ite100 ukn100 eq179 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 2 VariablesLoop: 0 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 21:57:19,160 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...