./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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_cstrspn-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 46421108dc6473f7bf7bcbb7826a3247c1ccc8d1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 17:39:01,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 17:39:01,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 17:39:01,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 17:39:01,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 17:39:01,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 17:39:01,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 17:39:01,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 17:39:01,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 17:39:01,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 17:39:01,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 17:39:01,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 17:39:01,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 17:39:01,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 17:39:01,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 17:39:01,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 17:39:01,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 17:39:01,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 17:39:01,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 17:39:01,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 17:39:01,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 17:39:01,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 17:39:01,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 17:39:01,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 17:39:01,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 17:39:01,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 17:39:01,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 17:39:01,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 17:39:01,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 17:39:01,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 17:39:01,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 17:39:01,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 17:39:01,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 17:39:01,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 17:39:01,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 17:39:01,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 17:39:01,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 17:39:01,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 17:39:01,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 17:39:01,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 17:39:01,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 17:39:01,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 17:39:01,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 17:39:01,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 17:39:01,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 17:39:01,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 17:39:01,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 17:39:01,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 17:39:01,141 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 17:39:01,141 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 17:39:01,141 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 17:39:01,141 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 17:39:01,142 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 17:39:01,142 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 17:39:01,143 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 17:39:01,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 17:39:01,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 17:39:01,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 17:39:01,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 17:39:01,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 17:39:01,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 17:39:01,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 17:39:01,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 17:39:01,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 17:39:01,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 17:39:01,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 17:39:01,145 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 17:39:01,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 17:39:01,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 17:39:01,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 17:39:01,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 17:39:01,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 17:39:01,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 17:39:01,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 17:39:01,148 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 17:39:01,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46421108dc6473f7bf7bcbb7826a3247c1ccc8d1 [2021-08-27 17:39:01,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 17:39:01,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 17:39:01,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 17:39:01,492 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 17:39:01,492 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 17:39:01,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2021-08-27 17:39:01,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea59299e/d9260bab3ff14dae969d97c884697646/FLAGd7025ef1b [2021-08-27 17:39:02,024 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 17:39:02,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2021-08-27 17:39:02,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea59299e/d9260bab3ff14dae969d97c884697646/FLAGd7025ef1b [2021-08-27 17:39:02,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea59299e/d9260bab3ff14dae969d97c884697646 [2021-08-27 17:39:02,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 17:39:02,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 17:39:02,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 17:39:02,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 17:39:02,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 17:39:02,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3da6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02, skipping insertion in model container [2021-08-27 17:39:02,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 17:39:02,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 17:39:02,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:39:02,719 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 17:39:02,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:39:02,795 INFO L208 MainTranslator]: Completed translation [2021-08-27 17:39:02,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02 WrapperNode [2021-08-27 17:39:02,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 17:39:02,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 17:39:02,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 17:39:02,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 17:39:02,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 17:39:02,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 17:39:02,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 17:39:02,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 17:39:02,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 17:39:02,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 17:39:02,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 17:39:02,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 17:39:02,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (1/1) ... [2021-08-27 17:39:02,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:02,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:02,901 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) [2021-08-27 17:39:02,902 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 [2021-08-27 17:39:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 17:39:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 17:39:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 17:39:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 17:39:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 17:39:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 17:39:03,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 17:39:03,242 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-27 17:39:03,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:39:03 BoogieIcfgContainer [2021-08-27 17:39:03,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 17:39:03,244 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 17:39:03,244 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 17:39:03,247 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 17:39:03,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:39:03,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 05:39:02" (1/3) ... [2021-08-27 17:39:03,248 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65f89082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:39:03, skipping insertion in model container [2021-08-27 17:39:03,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:39:03,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:39:02" (2/3) ... [2021-08-27 17:39:03,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65f89082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:39:03, skipping insertion in model container [2021-08-27 17:39:03,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:39:03,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:39:03" (3/3) ... [2021-08-27 17:39:03,251 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrspn-alloca-2.i [2021-08-27 17:39:03,286 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 17:39:03,287 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 17:39:03,287 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 17:39:03,287 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 17:39:03,287 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 17:39:03,287 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 17:39:03,288 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 17:39:03,288 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 17:39:03,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-08-27 17:39:03,314 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-08-27 17:39:03,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:03,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:03,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 17:39:03,319 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:39:03,319 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 17:39:03,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-08-27 17:39:03,321 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-08-27 17:39:03,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:03,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:03,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 17:39:03,322 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:39:03,327 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 14#L528true assume !(main_~length1~0 < 1); 9#L528-2true assume !(main_~length2~0 < 1); 15#L531-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 8#L537-3true [2021-08-27 17:39:03,328 INFO L793 eck$LassoCheckResult]: Loop: 8#L537-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 17#L537-2true main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 8#L537-3true [2021-08-27 17:39:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:03,333 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-08-27 17:39:03,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:03,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177131314] [2021-08-27 17:39:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:03,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:03,430 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:03,475 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:03,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:03,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-08-27 17:39:03,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:03,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244770817] [2021-08-27 17:39:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:03,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:03,500 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:03,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:03,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:03,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-08-27 17:39:03,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:03,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906764056] [2021-08-27 17:39:03,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:03,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:03,550 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:03,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:04,023 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:39:04,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:39:04,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:39:04,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:39:04,024 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:39:04,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,024 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:39:04,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:39:04,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration1_Lasso [2021-08-27 17:39:04,024 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:39:04,024 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:39:04,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:04,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:39:04,474 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:39:04,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,476 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) [2021-08-27 17:39:04,481 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 [2021-08-27 17:39:04,482 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 [2021-08-27 17:39:04,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:04,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:04,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 17:39:04,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,544 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) [2021-08-27 17:39:04,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:04,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:04,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:04,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:04,567 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 [2021-08-27 17:39:04,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,593 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 [2021-08-27 17:39:04,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,597 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) [2021-08-27 17:39:04,607 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 [2021-08-27 17:39:04,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:04,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:04,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:04,617 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 [2021-08-27 17:39:04,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,652 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 [2021-08-27 17:39:04,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,655 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) [2021-08-27 17:39:04,663 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 [2021-08-27 17:39:04,663 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 [2021-08-27 17:39:04,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:04,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:04,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:04,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,707 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 [2021-08-27 17:39:04,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,708 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) [2021-08-27 17:39:04,709 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 [2021-08-27 17:39:04,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:04,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:04,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:04,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:04,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,735 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 [2021-08-27 17:39:04,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,736 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) [2021-08-27 17:39:04,746 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 [2021-08-27 17:39:04,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:04,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:04,759 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 [2021-08-27 17:39:04,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,779 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 [2021-08-27 17:39:04,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,780 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) [2021-08-27 17:39:04,782 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 [2021-08-27 17:39:04,783 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 [2021-08-27 17:39:04,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:04,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:04,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,823 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 [2021-08-27 17:39:04,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,824 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) [2021-08-27 17:39:04,825 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 [2021-08-27 17:39:04,826 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 [2021-08-27 17:39:04,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:04,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:04,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:04,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:04,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,854 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) [2021-08-27 17:39:04,856 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 [2021-08-27 17:39:04,857 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 [2021-08-27 17:39:04,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:04,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:04,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,900 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 [2021-08-27 17:39:04,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,901 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) [2021-08-27 17:39:04,902 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 [2021-08-27 17:39:04,903 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 [2021-08-27 17:39:04,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:04,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:04,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:04,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:04,959 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 [2021-08-27 17:39:04,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:04,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:04,968 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) [2021-08-27 17:39:04,970 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 [2021-08-27 17:39:04,971 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 [2021-08-27 17:39:04,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:04,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:04,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:04,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:04,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:04,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:05,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,018 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 [2021-08-27 17:39:05,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,019 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) [2021-08-27 17:39:05,020 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 [2021-08-27 17:39:05,022 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 [2021-08-27 17:39:05,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:05,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:05,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:05,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,056 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 [2021-08-27 17:39:05,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,057 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) [2021-08-27 17:39:05,058 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 [2021-08-27 17:39:05,059 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 [2021-08-27 17:39:05,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:05,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:05,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:05,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,090 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 [2021-08-27 17:39:05,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,091 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) [2021-08-27 17:39:05,095 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 [2021-08-27 17:39:05,095 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 [2021-08-27 17:39:05,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:05,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:05,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:05,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,119 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 [2021-08-27 17:39:05,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,120 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) [2021-08-27 17:39:05,121 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 [2021-08-27 17:39:05,123 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 [2021-08-27 17:39:05,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:05,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:05,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,170 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 [2021-08-27 17:39:05,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,171 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) [2021-08-27 17:39:05,177 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 [2021-08-27 17:39:05,182 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 [2021-08-27 17:39:05,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:05,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:05,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,220 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 [2021-08-27 17:39:05,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,221 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) [2021-08-27 17:39:05,221 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 [2021-08-27 17:39:05,223 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 [2021-08-27 17:39:05,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:05,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:05,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,269 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 [2021-08-27 17:39:05,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,270 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) [2021-08-27 17:39:05,270 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 [2021-08-27 17:39:05,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:05,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:05,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:05,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:05,309 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 [2021-08-27 17:39:05,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,310 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) [2021-08-27 17:39:05,314 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 [2021-08-27 17:39:05,315 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 [2021-08-27 17:39:05,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:05,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:05,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:05,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:05,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:05,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:05,342 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:39:05,357 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-27 17:39:05,357 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-08-27 17:39:05,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:05,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:05,365 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) [2021-08-27 17:39:05,366 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 [2021-08-27 17:39:05,368 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:39:05,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 17:39:05,412 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:39:05,413 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 17:39:05,439 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 [2021-08-27 17:39:05,458 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-27 17:39:05,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:05,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 17:39:05,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:05,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 17:39:05,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:05,610 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 [2021-08-27 17:39:05,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-08-27 17:39:05,670 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 48 states and 67 transitions. Complement of second has 7 states. [2021-08-27 17:39:05,671 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 [2021-08-27 17:39:05,673 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) [2021-08-27 17:39:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2021-08-27 17:39:05,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-27 17:39:05,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:05,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-27 17:39:05,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:05,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 4 letters. [2021-08-27 17:39:05,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:05,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2021-08-27 17:39:05,685 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 17:39:05,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 22 transitions. [2021-08-27 17:39:05,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-08-27 17:39:05,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-08-27 17:39:05,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-08-27 17:39:05,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:39:05,691 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-08-27 17:39:05,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-08-27 17:39:05,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-08-27 17:39:05,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) 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) [2021-08-27 17:39:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-08-27 17:39:05,712 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-08-27 17:39:05,712 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-08-27 17:39:05,713 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 17:39:05,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2021-08-27 17:39:05,714 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 17:39:05,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:05,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:05,715 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:05,715 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 17:39:05,716 INFO L791 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 141#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 151#L528 assume !(main_~length1~0 < 1); 149#L528-2 assume !(main_~length2~0 < 1); 150#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 146#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 144#L537-4 main_~i~1 := 0; 145#L541-3 [2021-08-27 17:39:05,716 INFO L793 eck$LassoCheckResult]: Loop: 145#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 155#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 145#L541-3 [2021-08-27 17:39:05,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:05,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-08-27 17:39:05,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:05,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24946045] [2021-08-27 17:39:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:05,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:05,740 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:05,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:05,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:05,766 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-08-27 17:39:05,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:05,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640049400] [2021-08-27 17:39:05,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:05,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:05,772 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:05,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:05,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-08-27 17:39:05,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:05,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852396053] [2021-08-27 17:39:05,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:05,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:05,786 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:05,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:05,836 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 [2021-08-27 17:39:06,194 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:39:06,195 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:39:06,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:39:06,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:39:06,195 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:39:06,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:39:06,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:39:06,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration2_Lasso [2021-08-27 17:39:06,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:39:06,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:39:06,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:06,604 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:39:06,604 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:39:06,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,605 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) [2021-08-27 17:39:06,607 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 [2021-08-27 17:39:06,608 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 [2021-08-27 17:39:06,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:06,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:06,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:06,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:06,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:06,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:06,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:06,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:06,654 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 [2021-08-27 17:39:06,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,656 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) [2021-08-27 17:39:06,657 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 [2021-08-27 17:39:06,658 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 [2021-08-27 17:39:06,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:06,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:06,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:06,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:06,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:06,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:06,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:06,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:06,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,713 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) [2021-08-27 17:39:06,715 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 [2021-08-27 17:39:06,715 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 [2021-08-27 17:39:06,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:06,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:06,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:06,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:06,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:06,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:06,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:06,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:06,750 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 [2021-08-27 17:39:06,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,752 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) [2021-08-27 17:39:06,753 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 [2021-08-27 17:39:06,754 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 [2021-08-27 17:39:06,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:06,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:06,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:06,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:06,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:06,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:06,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:06,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-08-27 17:39:06,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,816 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) [2021-08-27 17:39:06,817 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 [2021-08-27 17:39:06,818 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 [2021-08-27 17:39:06,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:06,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:06,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:06,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:06,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:06,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:06,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:06,887 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 [2021-08-27 17:39:06,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,889 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) [2021-08-27 17:39:06,901 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 [2021-08-27 17:39:06,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:06,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:06,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:06,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:06,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:06,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:06,920 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 [2021-08-27 17:39:06,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:06,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:06,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,957 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) [2021-08-27 17:39:06,958 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 [2021-08-27 17:39:06,960 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 [2021-08-27 17:39:06,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:06,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:06,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:06,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:06,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:06,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:06,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:06,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:06,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-27 17:39:06,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:06,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:06,994 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) [2021-08-27 17:39:06,995 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 [2021-08-27 17:39:06,997 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 [2021-08-27 17:39:07,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:07,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:07,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:07,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:07,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:07,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:07,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:07,025 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 [2021-08-27 17:39:07,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:07,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:07,026 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) [2021-08-27 17:39:07,027 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 [2021-08-27 17:39:07,028 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 [2021-08-27 17:39:07,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:07,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:07,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:07,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:07,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:07,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:07,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:07,059 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 [2021-08-27 17:39:07,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:07,064 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) [2021-08-27 17:39:07,067 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 [2021-08-27 17:39:07,068 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 [2021-08-27 17:39:07,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:07,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:07,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:07,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:07,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:07,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:07,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:39:07,116 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-08-27 17:39:07,116 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-08-27 17:39:07,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:07,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:07,128 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) [2021-08-27 17:39:07,129 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 [2021-08-27 17:39:07,130 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:39:07,138 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 17:39:07,139 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:39:07,139 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1, ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~nondetString2~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1 - 1*ULTIMATE.start_main_~i~1 - 1*ULTIMATE.start_main_~nondetString2~0.offset Supporting invariants [] [2021-08-27 17:39:07,154 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 [2021-08-27 17:39:07,172 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-27 17:39:07,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:07,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 17:39:07,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:07,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 17:39:07,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:07,250 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 [2021-08-27 17:39:07,250 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:07,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 34 transitions. Complement of second has 6 states. [2021-08-27 17:39:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 17:39:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-08-27 17:39:07,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-27 17:39:07,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:07,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2021-08-27 17:39:07,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:07,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2021-08-27 17:39:07,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:07,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 34 transitions. [2021-08-27 17:39:07,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 17:39:07,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 17 states and 24 transitions. [2021-08-27 17:39:07,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-27 17:39:07,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-27 17:39:07,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2021-08-27 17:39:07,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:39:07,274 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-08-27 17:39:07,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2021-08-27 17:39:07,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-08-27 17:39:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2021-08-27 17:39:07,276 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-08-27 17:39:07,276 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-08-27 17:39:07,276 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 17:39:07,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2021-08-27 17:39:07,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 17:39:07,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:07,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:07,278 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:07,278 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 17:39:07,278 INFO L791 eck$LassoCheckResult]: Stem: 253#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 254#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 264#L528 assume !(main_~length1~0 < 1); 262#L528-2 assume !(main_~length2~0 < 1); 263#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 259#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 257#L537-4 main_~i~1 := 0; 258#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 265#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 266#L522 [2021-08-27 17:39:07,278 INFO L793 eck$LassoCheckResult]: Loop: 266#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 255#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 256#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 267#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 266#L522 [2021-08-27 17:39:07,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:07,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-08-27 17:39:07,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:07,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039240350] [2021-08-27 17:39:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:07,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,301 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:07,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 1 times [2021-08-27 17:39:07,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:07,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154257781] [2021-08-27 17:39:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:07,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,341 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,348 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:07,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:07,352 INFO L82 PathProgramCache]: Analyzing trace with hash -587636803, now seen corresponding path program 1 times [2021-08-27 17:39:07,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:07,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777100369] [2021-08-27 17:39:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:07,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:07,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:39:07,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777100369] [2021-08-27 17:39:07,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777100369] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:39:07,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:39:07,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 17:39:07,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643699777] [2021-08-27 17:39:07,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:07,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:39:07,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 17:39:07,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-27 17:39:07,679 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 8 states have internal predecessors, (13), 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) [2021-08-27 17:39:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:39:07,786 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-08-27 17:39:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 17:39:07,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2021-08-27 17:39:07,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 17:39:07,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 38 transitions. [2021-08-27 17:39:07,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-08-27 17:39:07,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-08-27 17:39:07,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2021-08-27 17:39:07,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:39:07,790 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-08-27 17:39:07,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2021-08-27 17:39:07,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2021-08-27 17:39:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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) [2021-08-27 17:39:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2021-08-27 17:39:07,794 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-08-27 17:39:07,795 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-08-27 17:39:07,795 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 17:39:07,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2021-08-27 17:39:07,798 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 17:39:07,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:07,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:07,798 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:07,798 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 17:39:07,799 INFO L791 eck$LassoCheckResult]: Stem: 320#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 321#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 332#L528 assume !(main_~length1~0 < 1); 330#L528-2 assume !(main_~length2~0 < 1); 331#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 326#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 324#L537-4 main_~i~1 := 0; 325#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 333#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 334#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 336#L520-3 [2021-08-27 17:39:07,799 INFO L793 eck$LassoCheckResult]: Loop: 336#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 343#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 335#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 336#L520-3 [2021-08-27 17:39:07,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:07,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1595220887, now seen corresponding path program 1 times [2021-08-27 17:39:07,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:07,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969147744] [2021-08-27 17:39:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:07,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,827 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:07,840 INFO L82 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 1 times [2021-08-27 17:39:07,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:07,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138984429] [2021-08-27 17:39:07,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:07,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,844 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:07,847 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:07,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:07,848 INFO L82 PathProgramCache]: Analyzing trace with hash -587636801, now seen corresponding path program 1 times [2021-08-27 17:39:07,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:07,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987196390] [2021-08-27 17:39:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:07,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:07,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:39:07,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987196390] [2021-08-27 17:39:07,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987196390] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:39:07,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:39:07,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-27 17:39:07,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157782306] [2021-08-27 17:39:08,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:39:08,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 17:39:08,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-08-27 17:39:08,050 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 14 Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-08-27 17:39:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:39:08,151 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2021-08-27 17:39:08,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 17:39:08,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2021-08-27 17:39:08,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 17:39:08,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 28 states and 35 transitions. [2021-08-27 17:39:08,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-27 17:39:08,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-27 17:39:08,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2021-08-27 17:39:08,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:39:08,155 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-08-27 17:39:08,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2021-08-27 17:39:08,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2021-08-27 17:39:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 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) [2021-08-27 17:39:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-08-27 17:39:08,158 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-08-27 17:39:08,158 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-08-27 17:39:08,158 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 17:39:08,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2021-08-27 17:39:08,162 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 17:39:08,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:08,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:08,162 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:08,162 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 17:39:08,163 INFO L791 eck$LassoCheckResult]: Stem: 404#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 405#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 416#L528 assume !(main_~length1~0 < 1); 414#L528-2 assume !(main_~length2~0 < 1); 415#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 410#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 408#L537-4 main_~i~1 := 0; 409#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 429#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 428#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 427#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 426#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 420#L520-3 [2021-08-27 17:39:08,163 INFO L793 eck$LassoCheckResult]: Loop: 420#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 425#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 419#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 420#L520-3 [2021-08-27 17:39:08,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:08,163 INFO L82 PathProgramCache]: Analyzing trace with hash -294332619, now seen corresponding path program 1 times [2021-08-27 17:39:08,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:08,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480839535] [2021-08-27 17:39:08,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:08,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:08,183 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:08,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:08,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:08,196 INFO L82 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 2 times [2021-08-27 17:39:08,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:08,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937868475] [2021-08-27 17:39:08,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:08,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:08,200 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:08,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:08,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:08,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1860214625, now seen corresponding path program 1 times [2021-08-27 17:39:08,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:08,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213961941] [2021-08-27 17:39:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:08,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:08,214 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:08,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:09,074 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:39:09,075 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:39:09,075 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:39:09,075 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:39:09,075 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:39:09,075 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:09,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:39:09,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:39:09,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration5_Lasso [2021-08-27 17:39:09,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:39:09,075 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:39:09,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:09,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:10,185 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:39:10,185 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:39:10,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,188 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) [2021-08-27 17:39:10,188 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 [2021-08-27 17:39:10,190 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 [2021-08-27 17:39:10,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,216 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 [2021-08-27 17:39:10,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,217 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) [2021-08-27 17:39:10,217 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 [2021-08-27 17:39:10,219 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 [2021-08-27 17:39:10,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:10,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:10,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-08-27 17:39:10,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,250 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) [2021-08-27 17:39:10,250 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 [2021-08-27 17:39:10,251 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 [2021-08-27 17:39:10,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:10,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,277 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) [2021-08-27 17:39:10,283 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 [2021-08-27 17:39:10,283 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 [2021-08-27 17:39:10,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:10,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,311 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) [2021-08-27 17:39:10,311 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 [2021-08-27 17:39:10,313 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 [2021-08-27 17:39:10,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-27 17:39:10,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,337 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) [2021-08-27 17:39:10,338 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 [2021-08-27 17:39:10,339 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 [2021-08-27 17:39:10,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 17:39:10,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,364 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) [2021-08-27 17:39:10,365 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 [2021-08-27 17:39:10,366 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 [2021-08-27 17:39:10,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:10,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:10,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-27 17:39:10,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,401 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:39:10,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 17:39:10,402 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 [2021-08-27 17:39:10,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-08-27 17:39:10,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,438 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:39:10,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:10,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:10,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:10,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 17:39:10,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 17:39:10,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,494 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:39:10,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 17:39:10,496 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 [2021-08-27 17:39:10,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-27 17:39:10,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,521 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:39:10,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 17:39:10,523 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 [2021-08-27 17:39:10,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:10,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,547 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:39:10,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 17:39:10,549 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 [2021-08-27 17:39:10,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:10,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:10,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-27 17:39:10,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,576 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:39:10,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 17:39:10,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:10,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-27 17:39:10,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,603 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2021-08-27 17:39:10,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 17:39:10,607 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 [2021-08-27 17:39:10,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-27 17:39:10,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,634 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2021-08-27 17:39:10,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 17:39:10,636 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 [2021-08-27 17:39:10,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:10,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:10,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:10,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:10,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-27 17:39:10,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,662 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2021-08-27 17:39:10,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 17:39:10,664 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 [2021-08-27 17:39:10,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:10,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:10,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:10,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:10,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:10,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:10,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:39:10,753 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-08-27 17:39:10,753 INFO L444 ModelExtractionUtils]: 26 out of 49 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-08-27 17:39:10,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:10,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:10,761 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2021-08-27 17:39:10,769 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:39:10,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 17:39:10,777 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 17:39:10,777 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:39:10,777 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~spanp~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_3) = -1*ULTIMATE.start_cstrspn_~spanp~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_3 Supporting invariants [] [2021-08-27 17:39:10,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-08-27 17:39:10,846 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-08-27 17:39:10,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:10,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 17:39:10,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:10,998 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 17:39:10,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:11,074 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-08-27 17:39:11,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2021-08-27 17:39:11,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:11,118 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 46 transitions. Complement of second has 7 states. [2021-08-27 17:39:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 17:39:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2021-08-27 17:39:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-08-27 17:39:11,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 3 letters. [2021-08-27 17:39:11,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:11,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 3 letters. [2021-08-27 17:39:11,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:11,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 6 letters. [2021-08-27 17:39:11,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:11,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 46 transitions. [2021-08-27 17:39:11,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 17:39:11,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 24 states and 30 transitions. [2021-08-27 17:39:11,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-08-27 17:39:11,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-27 17:39:11,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2021-08-27 17:39:11,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 17:39:11,122 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-08-27 17:39:11,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2021-08-27 17:39:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-08-27 17:39:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 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) [2021-08-27 17:39:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2021-08-27 17:39:11,124 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-08-27 17:39:11,124 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-08-27 17:39:11,124 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 17:39:11,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2021-08-27 17:39:11,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-27 17:39:11,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:11,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:11,126 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:11,126 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 17:39:11,126 INFO L791 eck$LassoCheckResult]: Stem: 618#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 619#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 631#L528 assume !(main_~length1~0 < 1); 629#L528-2 assume !(main_~length2~0 < 1); 630#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 626#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 627#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 628#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 624#L537-4 main_~i~1 := 0; 625#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 638#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 639#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 632#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 633#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 640#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 623#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 634#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 635#L522 [2021-08-27 17:39:11,126 INFO L793 eck$LassoCheckResult]: Loop: 635#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 620#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 621#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 637#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 635#L522 [2021-08-27 17:39:11,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:11,126 INFO L82 PathProgramCache]: Analyzing trace with hash -796682687, now seen corresponding path program 1 times [2021-08-27 17:39:11,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:11,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300734780] [2021-08-27 17:39:11,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:11,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:11,139 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:11,152 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:11,153 INFO L82 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 2 times [2021-08-27 17:39:11,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:11,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821182098] [2021-08-27 17:39:11,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:11,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:11,157 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:11,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:11,166 INFO L82 PathProgramCache]: Analyzing trace with hash 477217064, now seen corresponding path program 2 times [2021-08-27 17:39:11,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:11,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355842496] [2021-08-27 17:39:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:11,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 17:39:11,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:39:11,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355842496] [2021-08-27 17:39:11,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355842496] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 17:39:11,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553308065] [2021-08-27 17:39:11,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 17:39:11,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 17:39:11,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:11,413 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 17:39:11,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-08-27 17:39:11,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 17:39:11,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 17:39:11,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-27 17:39:11,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:11,718 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-08-27 17:39:11,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 26 [2021-08-27 17:39:11,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-08-27 17:39:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 17:39:11,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553308065] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 17:39:11,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 17:39:11,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-08-27 17:39:11,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943136628] [2021-08-27 17:39:11,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:39:11,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-27 17:39:11,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-08-27 17:39:11,972 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 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) [2021-08-27 17:39:12,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:39:12,325 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2021-08-27 17:39:12,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 17:39:12,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2021-08-27 17:39:12,326 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 17:39:12,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 52 transitions. [2021-08-27 17:39:12,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-08-27 17:39:12,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-08-27 17:39:12,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2021-08-27 17:39:12,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 17:39:12,327 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-08-27 17:39:12,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2021-08-27 17:39:12,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-08-27 17:39:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 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) [2021-08-27 17:39:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2021-08-27 17:39:12,331 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-08-27 17:39:12,331 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-08-27 17:39:12,331 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 17:39:12,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2021-08-27 17:39:12,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 17:39:12,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:12,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:12,332 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:12,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 17:39:12,332 INFO L791 eck$LassoCheckResult]: Stem: 782#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 783#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 796#L528 assume !(main_~length1~0 < 1); 794#L528-2 assume !(main_~length2~0 < 1); 795#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 790#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 791#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 821#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 820#L537-4 main_~i~1 := 0; 819#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 818#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 817#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 816#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 808#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 809#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 813#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 812#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 806#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 784#L520-3 [2021-08-27 17:39:12,333 INFO L793 eck$LassoCheckResult]: Loop: 784#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 785#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 799#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 784#L520-3 [2021-08-27 17:39:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:12,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1072640524, now seen corresponding path program 3 times [2021-08-27 17:39:12,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:12,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679290635] [2021-08-27 17:39:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:12,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:12,345 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:12,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:12,359 INFO L82 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 3 times [2021-08-27 17:39:12,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:12,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028503959] [2021-08-27 17:39:12,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:12,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:12,363 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:12,365 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:12,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:12,366 INFO L82 PathProgramCache]: Analyzing trace with hash 477217066, now seen corresponding path program 1 times [2021-08-27 17:39:12,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:12,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423769213] [2021-08-27 17:39:12,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:12,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:12,377 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:12,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:13,676 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:39:13,676 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:39:13,676 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:39:13,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:39:13,677 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:39:13,677 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:13,677 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:39:13,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:39:13,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration7_Lasso [2021-08-27 17:39:13,677 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:39:13,677 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:39:13,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:13,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:15,109 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:39:15,109 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:39:15,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,116 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2021-08-27 17:39:15,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-27 17:39:15,118 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 [2021-08-27 17:39:15,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:15,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:15,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,186 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2021-08-27 17:39:15,193 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 [2021-08-27 17:39:15,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 17:39:15,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,237 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2021-08-27 17:39:15,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-27 17:39:15,239 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 [2021-08-27 17:39:15,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,285 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2021-08-27 17:39:15,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-27 17:39:15,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:15,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-08-27 17:39:15,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,321 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2021-08-27 17:39:15,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-27 17:39:15,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:15,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:15,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:15,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,350 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2021-08-27 17:39:15,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-27 17:39:15,352 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 [2021-08-27 17:39:15,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-27 17:39:15,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,381 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2021-08-27 17:39:15,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-27 17:39:15,383 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 [2021-08-27 17:39:15,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-27 17:39:15,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,408 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-08-27 17:39:15,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-27 17:39:15,410 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 [2021-08-27 17:39:15,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-08-27 17:39:15,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,436 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-08-27 17:39:15,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-27 17:39:15,443 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 [2021-08-27 17:39:15,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:15,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:15,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-08-27 17:39:15,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,469 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-08-27 17:39:15,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-27 17:39:15,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:15,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-08-27 17:39:15,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,496 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-08-27 17:39:15,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-27 17:39:15,498 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 [2021-08-27 17:39:15,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,522 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2021-08-27 17:39:15,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-27 17:39:15,524 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 [2021-08-27 17:39:15,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:15,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:15,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-27 17:39:15,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,550 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2021-08-27 17:39:15,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-27 17:39:15,552 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 [2021-08-27 17:39:15,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,577 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2021-08-27 17:39:15,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-27 17:39:15,579 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 [2021-08-27 17:39:15,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-08-27 17:39:15,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,603 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2021-08-27 17:39:15,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-27 17:39:15,604 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 [2021-08-27 17:39:15,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:15,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:15,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,631 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-08-27 17:39:15,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-27 17:39:15,635 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 [2021-08-27 17:39:15,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-08-27 17:39:15,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,659 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2021-08-27 17:39:15,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-27 17:39:15,661 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 [2021-08-27 17:39:15,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,686 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2021-08-27 17:39:15,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-27 17:39:15,689 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 [2021-08-27 17:39:15,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,713 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2021-08-27 17:39:15,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-27 17:39:15,715 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 [2021-08-27 17:39:15,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-08-27 17:39:15,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,740 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2021-08-27 17:39:15,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-27 17:39:15,741 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 [2021-08-27 17:39:15,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:15,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:15,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:15,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:15,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,765 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2021-08-27 17:39:15,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-27 17:39:15,767 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 [2021-08-27 17:39:15,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:15,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:15,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:15,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:15,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:15,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-08-27 17:39:15,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:15,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:15,825 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2021-08-27 17:39:15,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-27 17:39:15,827 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 [2021-08-27 17:39:15,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:15,834 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 17:39:15,834 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-08-27 17:39:15,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:15,898 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-08-27 17:39:15,898 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-08-27 17:39:15,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:16,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-08-27 17:39:16,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:16,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:16,014 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2021-08-27 17:39:16,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-27 17:39:16,016 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 [2021-08-27 17:39:16,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:16,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:16,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:16,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:16,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:16,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:16,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:16,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-08-27 17:39:16,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:16,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:16,042 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2021-08-27 17:39:16,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-27 17:39:16,044 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 [2021-08-27 17:39:16,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:16,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:16,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:16,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:16,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:16,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:16,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:16,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-08-27 17:39:16,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:16,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:16,070 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2021-08-27 17:39:16,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-27 17:39:16,072 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 [2021-08-27 17:39:16,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:16,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:16,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:16,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:16,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:16,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:16,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:16,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-08-27 17:39:16,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:16,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:16,098 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2021-08-27 17:39:16,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-27 17:39:16,109 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 [2021-08-27 17:39:16,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:16,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:16,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:16,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:16,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:16,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:16,158 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:39:16,210 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-08-27 17:39:16,210 INFO L444 ModelExtractionUtils]: 9 out of 55 variables were initially zero. Simplification set additionally 41 variables to zero. [2021-08-27 17:39:16,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:16,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:16,216 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2021-08-27 17:39:16,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-27 17:39:16,218 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:39:16,253 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 17:39:16,253 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:39:16,254 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~p~0.offset, ULTIMATE.start_cstrspn_~spanp~0.offset) = 1*ULTIMATE.start_cstrspn_~p~0.offset - 1*ULTIMATE.start_cstrspn_~spanp~0.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrspn_~spanp~0.base)_2 + 1*ULTIMATE.start_cstrspn_~p~0.offset >= 0] [2021-08-27 17:39:16,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:16,419 INFO L297 tatePredicateManager]: 43 out of 44 supporting invariants were superfluous and have been removed [2021-08-27 17:39:16,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:16,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 17:39:16,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:16,511 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 17:39:16,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-08-27 17:39:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:16,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 17:39:16,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:16,766 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-08-27 17:39:16,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:16,874 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 65 transitions. Complement of second has 8 states. [2021-08-27 17:39:16,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-27 17:39:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-08-27 17:39:16,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 18 letters. Loop has 3 letters. [2021-08-27 17:39:16,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:16,877 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 17:39:16,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:16,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 17:39:16,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:16,988 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 17:39:16,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-08-27 17:39:17,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:17,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 17:39:17,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:17,241 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2021-08-27 17:39:17,241 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:17,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 65 transitions. Complement of second has 8 states. [2021-08-27 17:39:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-27 17:39:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-08-27 17:39:17,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 18 letters. Loop has 3 letters. [2021-08-27 17:39:17,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:17,347 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 17:39:17,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:17,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 17:39:17,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:17,442 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 17:39:17,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-08-27 17:39:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:17,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 17:39:17,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:17,686 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-08-27 17:39:17,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:17,856 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 102 transitions. Complement of second has 12 states. [2021-08-27 17:39:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 17:39:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 40 transitions. [2021-08-27 17:39:17,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 18 letters. Loop has 3 letters. [2021-08-27 17:39:17,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:17,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 21 letters. Loop has 3 letters. [2021-08-27 17:39:17,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:17,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 18 letters. Loop has 6 letters. [2021-08-27 17:39:17,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:17,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 102 transitions. [2021-08-27 17:39:17,861 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-08-27 17:39:17,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 67 states and 82 transitions. [2021-08-27 17:39:17,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-08-27 17:39:17,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-08-27 17:39:17,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 82 transitions. [2021-08-27 17:39:17,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 17:39:17,863 INFO L681 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-08-27 17:39:17,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 82 transitions. [2021-08-27 17:39:17,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 51. [2021-08-27 17:39:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 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) [2021-08-27 17:39:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2021-08-27 17:39:17,866 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-08-27 17:39:17,866 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-08-27 17:39:17,866 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 17:39:17,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 62 transitions. [2021-08-27 17:39:17,867 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-08-27 17:39:17,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:17,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:17,868 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:17,868 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 17:39:17,868 INFO L791 eck$LassoCheckResult]: Stem: 1473#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1474#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 1487#L528 assume !(main_~length1~0 < 1); 1485#L528-2 assume !(main_~length2~0 < 1); 1486#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 1480#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 1481#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 1494#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 1484#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 1482#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 1483#L537-4 main_~i~1 := 0; 1495#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 1496#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 1499#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 1488#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 1489#L522 [2021-08-27 17:39:17,868 INFO L793 eck$LassoCheckResult]: Loop: 1489#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 1475#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 1476#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 1490#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 1489#L522 [2021-08-27 17:39:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:17,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1523394364, now seen corresponding path program 1 times [2021-08-27 17:39:17,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:17,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379145242] [2021-08-27 17:39:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:17,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:17,877 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:17,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:17,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:17,886 INFO L82 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 3 times [2021-08-27 17:39:17,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:17,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652735422] [2021-08-27 17:39:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:17,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:17,891 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:17,893 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:17,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:17,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1430543523, now seen corresponding path program 4 times [2021-08-27 17:39:17,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:17,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353965825] [2021-08-27 17:39:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:17,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:17,908 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:17,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:18,914 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:39:18,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:39:18,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:39:18,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:39:18,914 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:39:18,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:18,914 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:39:18,914 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:39:18,914 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration8_Lasso [2021-08-27 17:39:18,914 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:39:18,914 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:39:18,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:18,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:18,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:18,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:18,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:18,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:18,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:18,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:19,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:39:19,799 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:39:19,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:19,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:19,801 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2021-08-27 17:39:19,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-27 17:39:19,845 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 [2021-08-27 17:39:19,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:19,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:19,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:19,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:19,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:19,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:19,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:19,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:19,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-08-27 17:39:19,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:19,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:19,869 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2021-08-27 17:39:19,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-27 17:39:19,872 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 [2021-08-27 17:39:19,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:19,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:19,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:19,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:19,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:19,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:19,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:19,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:19,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-08-27 17:39:19,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:19,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:19,896 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2021-08-27 17:39:19,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-08-27 17:39:19,898 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 [2021-08-27 17:39:19,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:19,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:19,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:19,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:19,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:19,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:19,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:19,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:19,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-08-27 17:39:19,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:19,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:19,922 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2021-08-27 17:39:19,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-08-27 17:39:19,924 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 [2021-08-27 17:39:19,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:19,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:19,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:19,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:19,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:19,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:19,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:19,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:19,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-08-27 17:39:19,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:19,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:19,949 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2021-08-27 17:39:19,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-08-27 17:39:19,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:19,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:19,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:19,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:19,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:19,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:19,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:19,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:19,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:19,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-08-27 17:39:19,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:19,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:19,975 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2021-08-27 17:39:19,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-08-27 17:39:19,977 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 [2021-08-27 17:39:19,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:19,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:19,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:19,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:19,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:19,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:19,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-08-27 17:39:20,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,004 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2021-08-27 17:39:20,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-08-27 17:39:20,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:20,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:20,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:20,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:20,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-08-27 17:39:20,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,036 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2021-08-27 17:39:20,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-08-27 17:39:20,038 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 [2021-08-27 17:39:20,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-08-27 17:39:20,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,065 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2021-08-27 17:39:20,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-08-27 17:39:20,068 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 [2021-08-27 17:39:20,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-08-27 17:39:20,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,096 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2021-08-27 17:39:20,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-08-27 17:39:20,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:20,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-08-27 17:39:20,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,126 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2021-08-27 17:39:20,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-08-27 17:39:20,158 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 [2021-08-27 17:39:20,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,188 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2021-08-27 17:39:20,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-08-27 17:39:20,190 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 [2021-08-27 17:39:20,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,264 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2021-08-27 17:39:20,277 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 [2021-08-27 17:39:20,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-08-27 17:39:20,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,340 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2021-08-27 17:39:20,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-08-27 17:39:20,343 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 [2021-08-27 17:39:20,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:20,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,351 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 17:39:20,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 17:39:20,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:20,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,392 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2021-08-27 17:39:20,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-08-27 17:39:20,395 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 [2021-08-27 17:39:20,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,449 INFO L229 MonitoredProcess]: Starting monitored process 93 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) [2021-08-27 17:39:20,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-08-27 17:39:20,451 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 [2021-08-27 17:39:20,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,505 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2021-08-27 17:39:20,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-08-27 17:39:20,507 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 [2021-08-27 17:39:20,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:20,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:20,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:20,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,558 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2021-08-27 17:39:20,561 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 [2021-08-27 17:39:20,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-08-27 17:39:20,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:20,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:20,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,604 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2021-08-27 17:39:20,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-08-27 17:39:20,606 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 [2021-08-27 17:39:20,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:20,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:20,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:20,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:20,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:20,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:20,635 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:39:20,650 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-08-27 17:39:20,651 INFO L444 ModelExtractionUtils]: 33 out of 43 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-08-27 17:39:20,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:20,651 INFO L229 MonitoredProcess]: Starting monitored process 97 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) [2021-08-27 17:39:20,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-08-27 17:39:20,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:39:20,661 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 17:39:20,661 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:39:20,661 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_5, ULTIMATE.start_cstrspn_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_5 - 1*ULTIMATE.start_cstrspn_~p~0.offset Supporting invariants [] [2021-08-27 17:39:20,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-08-27 17:39:20,708 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-08-27 17:39:20,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:20,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 17:39:20,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:20,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 17:39:20,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:20,888 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 [2021-08-27 17:39:20,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:20,914 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 19. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 5 states. [2021-08-27 17:39:20,915 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 [2021-08-27 17:39:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-08-27 17:39:20,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 15 letters. Loop has 4 letters. [2021-08-27 17:39:20,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:20,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 4 letters. [2021-08-27 17:39:20,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:20,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 15 letters. Loop has 8 letters. [2021-08-27 17:39:20,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:20,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 100 transitions. [2021-08-27 17:39:20,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 17:39:20,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 51 states and 61 transitions. [2021-08-27 17:39:20,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-27 17:39:20,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-08-27 17:39:20,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 61 transitions. [2021-08-27 17:39:20,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 17:39:20,917 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 61 transitions. [2021-08-27 17:39:20,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 61 transitions. [2021-08-27 17:39:20,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2021-08-27 17:39:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 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) [2021-08-27 17:39:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2021-08-27 17:39:20,924 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-08-27 17:39:20,924 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-08-27 17:39:20,925 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-27 17:39:20,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2021-08-27 17:39:20,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 17:39:20,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:39:20,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:39:20,926 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:39:20,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 17:39:20,926 INFO L791 eck$LassoCheckResult]: Stem: 1737#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1738#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 1752#L528 assume !(main_~length1~0 < 1); 1750#L528-2 assume !(main_~length2~0 < 1); 1751#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 1745#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 1746#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 1747#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 1748#L537-4 main_~i~1 := 0; 1759#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 1760#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 1777#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 1776#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 1775#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 1753#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 1754#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 1741#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 1742#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 1769#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 1763#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 1739#L520-3 [2021-08-27 17:39:20,926 INFO L793 eck$LassoCheckResult]: Loop: 1739#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 1740#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 1755#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 1739#L520-3 [2021-08-27 17:39:20,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:20,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1848727466, now seen corresponding path program 5 times [2021-08-27 17:39:20,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:20,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410145865] [2021-08-27 17:39:20,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:20,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:20,939 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:20,951 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:20,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:20,951 INFO L82 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 4 times [2021-08-27 17:39:20,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:20,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319198856] [2021-08-27 17:39:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:20,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:20,955 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:20,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:20,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:20,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1074351820, now seen corresponding path program 2 times [2021-08-27 17:39:20,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:39:20,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586852352] [2021-08-27 17:39:20,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:39:20,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:39:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:20,969 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:39:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:39:20,981 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:39:21,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:22,632 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:39:22,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:39:22,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:39:22,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:39:22,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:39:22,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:22,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:39:22,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:39:22,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration9_Lasso [2021-08-27 17:39:22,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:39:22,632 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:39:22,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:22,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:23,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:23,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:23,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:23,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:23,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:39:24,019 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:39:24,019 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:39:24,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,022 INFO L229 MonitoredProcess]: Starting monitored process 98 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) [2021-08-27 17:39:24,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-08-27 17:39:24,024 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 [2021-08-27 17:39:24,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-08-27 17:39:24,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,051 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2021-08-27 17:39:24,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-08-27 17:39:24,053 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 [2021-08-27 17:39:24,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-08-27 17:39:24,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,077 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2021-08-27 17:39:24,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-08-27 17:39:24,079 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 [2021-08-27 17:39:24,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-08-27 17:39:24,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,104 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2021-08-27 17:39:24,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-08-27 17:39:24,109 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 [2021-08-27 17:39:24,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,133 INFO L229 MonitoredProcess]: Starting monitored process 102 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) [2021-08-27 17:39:24,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-08-27 17:39:24,135 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 [2021-08-27 17:39:24,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-08-27 17:39:24,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,160 INFO L229 MonitoredProcess]: Starting monitored process 103 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) [2021-08-27 17:39:24,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-08-27 17:39:24,161 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 [2021-08-27 17:39:24,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,187 INFO L229 MonitoredProcess]: Starting monitored process 104 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) [2021-08-27 17:39:24,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-08-27 17:39:24,189 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 [2021-08-27 17:39:24,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-08-27 17:39:24,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,213 INFO L229 MonitoredProcess]: Starting monitored process 105 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) [2021-08-27 17:39:24,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-08-27 17:39:24,215 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 [2021-08-27 17:39:24,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-08-27 17:39:24,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,242 INFO L229 MonitoredProcess]: Starting monitored process 106 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) [2021-08-27 17:39:24,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-08-27 17:39:24,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:24,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-08-27 17:39:24,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,268 INFO L229 MonitoredProcess]: Starting monitored process 107 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) [2021-08-27 17:39:24,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-08-27 17:39:24,270 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 [2021-08-27 17:39:24,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,295 INFO L229 MonitoredProcess]: Starting monitored process 108 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) [2021-08-27 17:39:24,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-08-27 17:39:24,296 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 [2021-08-27 17:39:24,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,321 INFO L229 MonitoredProcess]: Starting monitored process 109 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) [2021-08-27 17:39:24,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-08-27 17:39:24,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:39:24,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,347 INFO L229 MonitoredProcess]: Starting monitored process 110 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) [2021-08-27 17:39:24,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-08-27 17:39:24,349 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 [2021-08-27 17:39:24,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-08-27 17:39:24,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,373 INFO L229 MonitoredProcess]: Starting monitored process 111 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) [2021-08-27 17:39:24,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-08-27 17:39:24,375 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 [2021-08-27 17:39:24,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:39:24,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:39:24,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:39:24,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,399 INFO L229 MonitoredProcess]: Starting monitored process 112 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) [2021-08-27 17:39:24,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-08-27 17:39:24,401 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 [2021-08-27 17:39:24,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-08-27 17:39:24,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,427 INFO L229 MonitoredProcess]: Starting monitored process 113 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) [2021-08-27 17:39:24,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-08-27 17:39:24,429 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 [2021-08-27 17:39:24,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,501 INFO L229 MonitoredProcess]: Starting monitored process 114 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) [2021-08-27 17:39:24,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-08-27 17:39:24,524 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 [2021-08-27 17:39:24,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,532 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 17:39:24,532 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-08-27 17:39:24,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,584 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-08-27 17:39:24,584 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-08-27 17:39:24,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,694 INFO L229 MonitoredProcess]: Starting monitored process 115 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) [2021-08-27 17:39:24,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-08-27 17:39:24,697 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 [2021-08-27 17:39:24,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,753 INFO L229 MonitoredProcess]: Starting monitored process 116 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) [2021-08-27 17:39:24,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-08-27 17:39:24,755 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 [2021-08-27 17:39:24,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:24,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,806 INFO L229 MonitoredProcess]: Starting monitored process 117 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) [2021-08-27 17:39:24,809 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 [2021-08-27 17:39:24,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-08-27 17:39:24,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-08-27 17:39:24,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,854 INFO L229 MonitoredProcess]: Starting monitored process 118 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) [2021-08-27 17:39:24,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-08-27 17:39:24,856 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 [2021-08-27 17:39:24,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:39:24,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-08-27 17:39:24,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,886 INFO L229 MonitoredProcess]: Starting monitored process 119 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) [2021-08-27 17:39:24,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-08-27 17:39:24,888 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 [2021-08-27 17:39:24,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:39:24,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:39:24,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:39:24,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:39:24,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:39:24,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:39:24,922 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:39:24,943 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-08-27 17:39:24,944 INFO L444 ModelExtractionUtils]: 44 out of 58 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-08-27 17:39:24,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:39:24,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:39:24,946 INFO L229 MonitoredProcess]: Starting monitored process 120 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) [2021-08-27 17:39:24,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-08-27 17:39:24,947 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:39:24,957 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 17:39:24,957 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:39:24,958 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3, ULTIMATE.start_cstrspn_~spanp~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3 - 1*ULTIMATE.start_cstrspn_~spanp~0.offset Supporting invariants [] [2021-08-27 17:39:24,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:25,067 INFO L297 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2021-08-27 17:39:25,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:25,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 17:39:25,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:25,201 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 17:39:25,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:25,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:25,241 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 [2021-08-27 17:39:25,241 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:25,267 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 64 transitions. Complement of second has 6 states. [2021-08-27 17:39:25,268 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 [2021-08-27 17:39:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-08-27 17:39:25,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 20 letters. Loop has 3 letters. [2021-08-27 17:39:25,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:25,269 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 17:39:25,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:25,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 17:39:25,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:25,401 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 17:39:25,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:25,439 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-27 17:39:25,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:25,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 62 transitions. Complement of second has 6 states. [2021-08-27 17:39:25,475 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 [2021-08-27 17:39:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:25,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-08-27 17:39:25,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 20 letters. Loop has 3 letters. [2021-08-27 17:39:25,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:25,476 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 17:39:25,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:39:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:25,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 17:39:25,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:39:25,596 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 17:39:25,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:39:25,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-08-27 17:39:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:39:25,662 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-27 17:39:25,662 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:25,690 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 71 transitions. Complement of second has 5 states. [2021-08-27 17:39:25,690 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 [2021-08-27 17:39:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:39:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-08-27 17:39:25,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 20 letters. Loop has 3 letters. [2021-08-27 17:39:25,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:25,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 23 letters. Loop has 3 letters. [2021-08-27 17:39:25,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:25,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 20 letters. Loop has 6 letters. [2021-08-27 17:39:25,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:39:25,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 71 transitions. [2021-08-27 17:39:25,693 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:39:25,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 0 states and 0 transitions. [2021-08-27 17:39:25,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 17:39:25,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 17:39:25,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 17:39:25,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:39:25,693 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:39:25,694 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:39:25,694 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:39:25,694 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-27 17:39:25,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 17:39:25,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:39:25,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 17:39:25,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 05:39:25 BoogieIcfgContainer [2021-08-27 17:39:25,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 17:39:25,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 17:39:25,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 17:39:25,700 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 17:39:25,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:39:03" (3/4) ... [2021-08-27 17:39:25,702 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 17:39:25,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 17:39:25,703 INFO L168 Benchmark]: Toolchain (without parser) took 23325.64 ms. Allocated memory was 65.0 MB in the beginning and 360.7 MB in the end (delta: 295.7 MB). Free memory was 45.1 MB in the beginning and 309.2 MB in the end (delta: -264.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-08-27 17:39:25,703 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 65.0 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:39:25,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.67 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 44.1 MB in the end (delta: 702.0 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 17:39:25,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 42.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 17:39:25,704 INFO L168 Benchmark]: Boogie Preprocessor took 25.91 ms. Allocated memory is still 65.0 MB. Free memory was 42.1 MB in the beginning and 40.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 17:39:25,704 INFO L168 Benchmark]: RCFGBuilder took 385.97 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.7 MB in the beginning and 55.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-08-27 17:39:25,705 INFO L168 Benchmark]: BuchiAutomizer took 22454.85 ms. Allocated memory was 79.7 MB in the beginning and 360.7 MB in the end (delta: 281.0 MB). Free memory was 55.1 MB in the beginning and 309.2 MB in the end (delta: -254.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-08-27 17:39:25,705 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 360.7 MB. Free memory is still 309.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:39:25,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 65.0 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 415.67 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 44.1 MB in the end (delta: 702.0 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 42.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.91 ms. Allocated memory is still 65.0 MB. Free memory was 42.1 MB in the beginning and 40.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 385.97 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 40.7 MB in the beginning and 55.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 22454.85 ms. Allocated memory was 79.7 MB in the beginning and 360.7 MB in the end (delta: 281.0 MB). Free memory was 55.1 MB in the beginning and 309.2 MB in the end (delta: -254.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.88 ms. Allocated memory is still 360.7 MB. Free memory is still 309.2 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 9 terminating modules (3 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString2] + -1 * nondetString2 and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * spanp and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. One nondeterministic module has affine ranking function -1 * spanp + p and consists of 10 locations. One nondeterministic module has affine ranking function -1 * spanp + unknown-#length-unknown[nondetString2] and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.4s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 18.8s. Construction of modules took 0.3s. Büchi inclusion checks took 3.0s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 34.8ms AutomataMinimizationTime, 8 MinimizatonAttempts, 33 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 51 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 203 SDtfs, 366 SDslu, 425 SDs, 0 SdLazy, 417 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 332.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital265 mio100 ax108 hnf99 lsp88 ukn69 mio100 lsp45 div100 bol100 ite100 ukn100 eq190 hnf89 smp98 dnf104 smp100 tf100 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 172ms VariablesStem: 10 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 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! [2021-08-27 17:39:25,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2021-08-27 17:39:25,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...