./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/insertion_sort-1.c --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/loops/insertion_sort-1.c -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 25b1595a40c04d1f29f2431a3990f69b3ca92105 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:17:41,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:17:41,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:17:41,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:17:41,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:17:41,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:17:41,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:17:41,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:17:41,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:17:41,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:17:41,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:17:41,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:17:41,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:17:41,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:17:41,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:17:41,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:17:41,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:17:41,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:17:41,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:17:41,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:17:41,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:17:41,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:17:41,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:17:41,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:17:41,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:17:41,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:17:41,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:17:41,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:17:41,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:17:41,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:17:41,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:17:41,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:17:41,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:17:41,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:17:41,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:17:41,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:17:41,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:17:41,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:17:41,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:17:41,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:17:41,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:17:41,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:17:41,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:17:41,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:17:41,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:17:41,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:17:41,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:17:41,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:17:41,185 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:17:41,186 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:17:41,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:17:41,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:17:41,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:17:41,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:17:41,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:17:41,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:17:41,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:17:41,188 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:17:41,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25b1595a40c04d1f29f2431a3990f69b3ca92105 [2021-08-27 15:17:41,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:17:41,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:17:41,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:17:41,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:17:41,432 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:17:41,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/insertion_sort-1.c [2021-08-27 15:17:41,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afcc17af4/1b3cac11c9b342eabb2d822cb39bcb76/FLAG272b391a7 [2021-08-27 15:17:41,843 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:17:41,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-1.c [2021-08-27 15:17:41,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afcc17af4/1b3cac11c9b342eabb2d822cb39bcb76/FLAG272b391a7 [2021-08-27 15:17:41,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afcc17af4/1b3cac11c9b342eabb2d822cb39bcb76 [2021-08-27 15:17:41,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:17:41,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:17:41,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:17:41,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:17:41,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:17:41,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:17:41" (1/1) ... [2021-08-27 15:17:41,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b09dff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:41, skipping insertion in model container [2021-08-27 15:17:41,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:17:41" (1/1) ... [2021-08-27 15:17:41,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:17:41,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:17:41,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-1.c[328,341] [2021-08-27 15:17:42,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:17:42,021 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:17:42,029 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-1.c[328,341] [2021-08-27 15:17:42,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:17:42,052 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:17:42,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42 WrapperNode [2021-08-27 15:17:42,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:17:42,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:17:42,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:17:42,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:17:42,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:17:42,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:17:42,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:17:42,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:17:42,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:17:42,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:17:42,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:17:42,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:17:42,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (1/1) ... [2021-08-27 15:17:42,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:42,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:42,155 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 15:17:42,184 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 15:17:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:17:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:17:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 15:17:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:17:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:17:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 15:17:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 15:17:42,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:17:42,463 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-27 15:17:42,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:17:42 BoogieIcfgContainer [2021-08-27 15:17:42,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:17:42,465 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:17:42,465 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:17:42,467 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:17:42,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:17:42,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:17:41" (1/3) ... [2021-08-27 15:17:42,468 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c400755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:17:42, skipping insertion in model container [2021-08-27 15:17:42,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:17:42,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:17:42" (2/3) ... [2021-08-27 15:17:42,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c400755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:17:42, skipping insertion in model container [2021-08-27 15:17:42,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:17:42,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:17:42" (3/3) ... [2021-08-27 15:17:42,475 INFO L389 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1.c [2021-08-27 15:17:42,519 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:17:42,519 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:17:42,519 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:17:42,519 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:17:42,519 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:17:42,519 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:17:42,519 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:17:42,520 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:17:42,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 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 15:17:42,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-08-27 15:17:42,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:42,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:42,542 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 15:17:42,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:17:42,543 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:17:42,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 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 15:17:42,546 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-08-27 15:17:42,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:42,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:42,546 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 15:17:42,546 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:17:42,551 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 12#L17-3true [2021-08-27 15:17:42,551 INFO L793 eck$LassoCheckResult]: Loop: 12#L17-3true assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 16#L17-2true main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 12#L17-3true [2021-08-27 15:17:42,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:42,555 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-27 15:17:42,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:42,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180745584] [2021-08-27 15:17:42,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:42,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:42,649 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:42,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:42,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:42,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-08-27 15:17:42,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:42,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990652406] [2021-08-27 15:17:42,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:42,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:42,713 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:42,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:42,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:42,731 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-08-27 15:17:42,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:42,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564504992] [2021-08-27 15:17:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:42,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:42,750 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:42,781 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:43,356 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:17:43,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:17:43,356 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:17:43,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:17:43,361 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:17:43,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:43,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:17:43,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:17:43,361 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration1_Lasso [2021-08-27 15:17:43,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:17:43,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:17:43,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:43,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:43,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:43,387 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 15:17:43,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:43,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:43,397 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 15:17:43,408 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 15:17:43,411 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 15:17:43,416 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 15:17:43,420 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 15:17:43,423 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 15:17:43,426 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 15:17:43,429 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 15:17:43,432 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 15:17:43,435 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 15:17:43,438 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 15:17:43,730 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 15:17:43,733 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 15:17:44,151 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:17:44,153 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:17:44,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,156 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 15:17:44,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:17:44,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,181 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 15:17:44,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,211 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 15:17:44,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,214 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 15:17:44,214 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 15:17:44,236 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 15:17:44,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:44,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:44,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-27 15:17:44,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,271 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 15:17:44,280 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 15:17:44,281 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 15:17:44,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-27 15:17:44,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,313 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 15:17:44,313 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 15:17:44,315 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 15:17:44,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,339 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 15:17:44,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,340 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 15:17:44,342 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 15:17:44,350 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 15:17:44,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,374 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 15:17:44,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,375 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 15:17:44,375 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 15:17:44,377 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 15:17:44,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:44,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:44,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:44,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,410 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:17:44,413 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 15:17:44,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:17:44,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,440 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 15:17:44,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,440 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 15:17:44,441 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 15:17:44,442 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 15:17:44,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,480 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 15:17:44,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,481 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 15:17:44,482 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 15:17:44,483 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 15:17:44,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:44,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:44,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-27 15:17:44,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,518 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 15:17:44,522 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 15:17:44,522 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 15:17:44,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:44,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,556 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 15:17:44,556 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 15:17:44,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:17:44,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,584 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 15:17:44,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,585 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 15:17:44,586 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 15:17:44,587 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 15:17:44,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,644 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 15:17:44,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,649 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 15:17:44,663 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 15:17:44,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,673 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 15:17:44,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,706 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 15:17:44,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,707 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 15:17:44,708 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 15:17:44,709 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 15:17:44,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,750 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 15:17:44,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,751 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 15:17:44,752 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 15:17:44,753 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 15:17:44,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,775 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 15:17:44,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,776 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 15:17:44,777 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 15:17:44,778 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 15:17:44,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,808 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 15:17:44,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,809 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 15:17:44,812 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 15:17:44,815 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 15:17:44,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:44,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:44,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:44,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-08-27 15:17:44,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,838 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 15:17:44,839 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 15:17:44,840 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 15:17:44,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:44,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:44,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-27 15:17:44,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,871 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 15:17:44,874 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 15:17:44,876 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 15:17:44,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:44,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:44,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,902 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 15:17:44,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,903 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 15:17:44,906 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 15:17:44,907 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 15:17:44,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:44,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:44,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,966 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 15:17:44,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,969 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 15:17:44,969 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 15:17:44,971 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 15:17:44,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:44,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:44,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:44,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:44,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:44,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:44,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:44,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-08-27 15:17:44,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:44,996 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 15:17:44,998 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 15:17:44,998 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 15:17:45,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:45,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:45,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:45,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:45,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:45,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:45,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:45,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-27 15:17:45,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:45,025 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 15:17:45,026 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 15:17:45,027 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 15:17:45,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:45,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:45,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:45,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:45,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:45,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:45,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:45,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-27 15:17:45,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:45,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:45,065 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 15:17:45,066 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 15:17:45,067 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 15:17:45,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:45,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:45,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:45,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:45,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:45,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:45,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:45,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:45,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:45,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:45,102 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 15:17:45,102 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 15:17:45,103 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 15:17:45,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:45,110 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:17:45,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:45,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:45,118 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:17:45,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:45,133 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:17:45,186 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-08-27 15:17:45,186 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-08-27 15:17:45,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:45,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:45,188 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 15:17:45,189 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 15:17:45,190 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:17:45,221 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:17:45,221 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:17:45,222 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~#v~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1 - 4*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~#v~0.offset Supporting invariants [] [2021-08-27 15:17:45,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-27 15:17:45,269 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-08-27 15:17:45,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:45,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:17:45,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:45,341 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 15:17:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:45,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:17:45,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:45,378 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 15:17:45,388 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 15:17:45,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 15:17:45,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 22 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 45 states and 67 transitions. Complement of second has 8 states. [2021-08-27 15:17:45,418 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 15:17:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 15:17:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-08-27 15:17:45,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 2 letters. Loop has 2 letters. [2021-08-27 15:17:45,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:45,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-27 15:17:45,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:45,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 2 letters. Loop has 4 letters. [2021-08-27 15:17:45,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:45,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 67 transitions. [2021-08-27 15:17:45,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-08-27 15:17:45,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 20 states and 29 transitions. [2021-08-27 15:17:45,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-27 15:17:45,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-27 15:17:45,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-08-27 15:17:45,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:17:45,426 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-08-27 15:17:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-08-27 15:17:45,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-08-27 15:17:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 15:17:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-08-27 15:17:45,441 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-08-27 15:17:45,441 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-08-27 15:17:45,441 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:17:45,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-08-27 15:17:45,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-08-27 15:17:45,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:45,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:45,442 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-27 15:17:45,442 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 15:17:45,442 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 161#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 162#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 163#L17-4 main_~j~0 := 1; 153#L19-3 [2021-08-27 15:17:45,442 INFO L793 eck$LassoCheckResult]: Loop: 153#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 154#L22-5 assume !true; 155#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 152#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 153#L19-3 [2021-08-27 15:17:45,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,442 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-08-27 15:17:45,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480664360] [2021-08-27 15:17:45,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,454 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,464 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:45,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1687228, now seen corresponding path program 1 times [2021-08-27 15:17:45,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565381192] [2021-08-27 15:17:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:45,485 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 15:17:45,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:45,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565381192] [2021-08-27 15:17:45,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565381192] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:17:45,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:17:45,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 15:17:45,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709782424] [2021-08-27 15:17:45,489 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:17:45,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:45,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-27 15:17:45,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 15:17:45,492 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 15:17:45,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:45,496 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2021-08-27 15:17:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:17:45,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2021-08-27 15:17:45,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-08-27 15:17:45,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 25 transitions. [2021-08-27 15:17:45,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-27 15:17:45,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-27 15:17:45,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-08-27 15:17:45,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:17:45,500 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-08-27 15:17:45,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-08-27 15:17:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-08-27 15:17:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-08-27 15:17:45,506 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-08-27 15:17:45,506 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-08-27 15:17:45,506 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:17:45,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-08-27 15:17:45,509 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-08-27 15:17:45,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:45,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:45,509 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-27 15:17:45,509 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:17:45,509 INFO L791 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 202#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 206#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 207#L17-4 main_~j~0 := 1; 198#L19-3 [2021-08-27 15:17:45,510 INFO L793 eck$LassoCheckResult]: Loop: 198#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 199#L22-5 main_#t~short13 := main_~i~0 >= 0; 200#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 203#L22-3 assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 215#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 197#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 198#L19-3 [2021-08-27 15:17:45,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,510 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 2 times [2021-08-27 15:17:45,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099143905] [2021-08-27 15:17:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,532 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:45,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1602376878, now seen corresponding path program 1 times [2021-08-27 15:17:45,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693877063] [2021-08-27 15:17:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,559 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:45,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1970718008, now seen corresponding path program 1 times [2021-08-27 15:17:45,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15046732] [2021-08-27 15:17:45,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:45,758 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 15:17:45,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:45,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15046732] [2021-08-27 15:17:45,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15046732] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:17:45,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:17:45,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:17:45,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449980369] [2021-08-27 15:17:45,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:45,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:17:45,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:17:45,876 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:45,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:45,942 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2021-08-27 15:17:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:17:45,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-08-27 15:17:45,943 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-08-27 15:17:45,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-08-27 15:17:45,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-27 15:17:45,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-27 15:17:45,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-08-27 15:17:45,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:17:45,943 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-08-27 15:17:45,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-08-27 15:17:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-08-27 15:17:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 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 15:17:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-08-27 15:17:45,945 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-08-27 15:17:45,945 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-08-27 15:17:45,945 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:17:45,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-08-27 15:17:45,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-08-27 15:17:45,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:45,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:45,946 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:17:45,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:17:45,946 INFO L791 eck$LassoCheckResult]: Stem: 256#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 257#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 261#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 262#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 263#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 264#L17-4 main_~j~0 := 1; 255#L19-3 [2021-08-27 15:17:45,946 INFO L793 eck$LassoCheckResult]: Loop: 255#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 252#L22-5 main_#t~short13 := main_~i~0 >= 0; 253#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 258#L22-3 assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 270#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 254#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 255#L19-3 [2021-08-27 15:17:45,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,946 INFO L82 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-08-27 15:17:45,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518491159] [2021-08-27 15:17:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,954 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,962 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:45,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1602376878, now seen corresponding path program 2 times [2021-08-27 15:17:45,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800338261] [2021-08-27 15:17:45,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,967 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:45,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:45,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:45,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1315520442, now seen corresponding path program 1 times [2021-08-27 15:17:45,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:45,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189339551] [2021-08-27 15:17:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:45,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:17:46,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:46,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189339551] [2021-08-27 15:17:46,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189339551] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:17:46,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497834895] [2021-08-27 15:17:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:46,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:17:46,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:46,196 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:17:46,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-27 15:17:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:46,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:17:46,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:17:46,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497834895] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:17:46,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:17:46,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-27 15:17:46,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947632021] [2021-08-27 15:17:46,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:46,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 15:17:46,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-08-27 15:17:46,445 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 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 15:17:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:46,589 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-08-27 15:17:46,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:17:46,591 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2021-08-27 15:17:46,592 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2021-08-27 15:17:46,592 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2021-08-27 15:17:46,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:17:46,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:17:46,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2021-08-27 15:17:46,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:17:46,592 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-08-27 15:17:46,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2021-08-27 15:17:46,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 21. [2021-08-27 15:17:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-08-27 15:17:46,594 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-08-27 15:17:46,594 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-08-27 15:17:46,594 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 15:17:46,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-08-27 15:17:46,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-08-27 15:17:46,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:46,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:46,594 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2021-08-27 15:17:46,594 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:17:46,594 INFO L791 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 370#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 371#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 372#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 373#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 374#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 382#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 375#L17-4 main_~j~0 := 1; 365#L19-3 [2021-08-27 15:17:46,594 INFO L793 eck$LassoCheckResult]: Loop: 365#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 362#L22-5 main_#t~short13 := main_~i~0 >= 0; 363#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 366#L22-3 assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 381#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 364#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 365#L19-3 [2021-08-27 15:17:46,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:46,595 INFO L82 PathProgramCache]: Analyzing trace with hash 265236367, now seen corresponding path program 2 times [2021-08-27 15:17:46,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:46,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551757811] [2021-08-27 15:17:46,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:46,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:46,603 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:46,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:46,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:46,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1602376878, now seen corresponding path program 3 times [2021-08-27 15:17:46,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:46,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678507919] [2021-08-27 15:17:46,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:46,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:46,617 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:46,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:46,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:46,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1264115268, now seen corresponding path program 2 times [2021-08-27 15:17:46,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:46,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397409856] [2021-08-27 15:17:46,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:46,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:46,653 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:46,667 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:47,203 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:17:47,203 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:17:47,203 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:17:47,203 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:17:47,203 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:17:47,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:47,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:17:47,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:17:47,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration5_Lasso [2021-08-27 15:17:47,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:17:47,203 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:17:47,206 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 15:17:47,210 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 15:17:47,212 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 15:17:47,214 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 15:17:47,216 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 15:17:47,376 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 15:17:47,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:47,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:47,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:47,383 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 15:17:47,385 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 15:17:47,386 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 15:17:47,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:47,389 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 15:17:47,391 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 15:17:47,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:47,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:47,397 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 15:17:47,675 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:17:47,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:17:47,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:47,677 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 15:17:47,677 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 15:17:47,679 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 15:17:47,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:47,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:47,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:47,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:47,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:47,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:47,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:47,714 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 15:17:47,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:47,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:47,715 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 15:17:47,722 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 15:17:47,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:47,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:47,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:47,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:47,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:47,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:47,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:47,731 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 15:17:47,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:47,760 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 15:17:47,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:47,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:47,761 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 15:17:47,761 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 15:17:47,763 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 15:17:47,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:47,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:47,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:47,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:47,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:47,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:47,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:47,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:47,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:47,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:47,797 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 15:17:47,798 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 15:17:47,799 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 15:17:47,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:47,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:47,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:47,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:47,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:47,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:47,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:47,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:47,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-08-27 15:17:47,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:47,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:47,832 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 15:17:47,832 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 15:17:47,834 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 15:17:47,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:47,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:47,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:47,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:47,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:47,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:47,868 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:17:47,881 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-27 15:17:47,881 INFO L444 ModelExtractionUtils]: 11 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-08-27 15:17:47,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:47,883 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 15:17:47,883 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 15:17:47,884 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:17:47,898 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:17:47,898 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:17:47,898 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#v~0.offset, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2, ULTIMATE.start_main_~j~0) = -1*ULTIMATE.start_main_~#v~0.offset + 2*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2 - 4*ULTIMATE.start_main_~j~0 Supporting invariants [] [2021-08-27 15:17:47,913 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 15:17:47,934 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-08-27 15:17:47,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:47,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:17:47,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:47,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:17:47,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:48,052 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 15:17:48,052 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 15:17:48,052 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:48,071 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 47 transitions. Complement of second has 6 states. [2021-08-27 15:17:48,071 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 15:17:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-08-27 15:17:48,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 6 letters. [2021-08-27 15:17:48,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:48,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 14 letters. Loop has 6 letters. [2021-08-27 15:17:48,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:48,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 12 letters. [2021-08-27 15:17:48,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:48,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 47 transitions. [2021-08-27 15:17:48,073 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-27 15:17:48,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 38 transitions. [2021-08-27 15:17:48,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-08-27 15:17:48,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-08-27 15:17:48,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 38 transitions. [2021-08-27 15:17:48,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:48,074 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 38 transitions. [2021-08-27 15:17:48,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 38 transitions. [2021-08-27 15:17:48,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-08-27 15:17:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 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 15:17:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-08-27 15:17:48,075 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-08-27 15:17:48,075 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-08-27 15:17:48,075 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 15:17:48,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 37 transitions. [2021-08-27 15:17:48,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-27 15:17:48,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:48,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:48,076 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-08-27 15:17:48,076 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:17:48,076 INFO L791 eck$LassoCheckResult]: Stem: 541#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 542#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 543#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 544#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 545#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 546#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 557#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 547#L17-4 main_~j~0 := 1; 548#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 533#L22-5 [2021-08-27 15:17:48,076 INFO L793 eck$LassoCheckResult]: Loop: 533#L22-5 main_#t~short13 := main_~i~0 >= 0; 534#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 537#L22-3 assume !!main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 554#L23 assume main_~i~0 < 2;call main_#t~mem14 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem14, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem14; 552#L23-2 main_~i~0 := main_~i~0 - 1; 533#L22-5 [2021-08-27 15:17:48,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:48,076 INFO L82 PathProgramCache]: Analyzing trace with hash -367607191, now seen corresponding path program 1 times [2021-08-27 15:17:48,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:48,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890123182] [2021-08-27 15:17:48,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:48,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:48,084 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:48,091 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:48,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:48,091 INFO L82 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 1 times [2021-08-27 15:17:48,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:48,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017294597] [2021-08-27 15:17:48,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:48,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:48,094 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:48,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:48,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:48,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1264113600, now seen corresponding path program 1 times [2021-08-27 15:17:48,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:48,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765901397] [2021-08-27 15:17:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:48,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:48,104 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:48,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:48,167 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 15:17:48,753 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:17:48,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:17:48,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:17:48,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:17:48,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:17:48,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:48,754 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:17:48,754 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:17:48,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration6_Lasso [2021-08-27 15:17:48,754 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:17:48,754 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:17:48,756 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 15:17:48,757 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 15:17:48,759 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 15:17:48,762 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 15:17:48,763 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 15:17:48,766 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 15:17:48,778 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 15:17:48,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:48,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:48,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:48,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:48,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:48,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:48,790 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 15:17:48,792 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 15:17:48,794 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 15:17:48,999 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 15:17:49,002 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 15:17:49,213 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:17:49,214 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:17:49,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,218 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 15:17:49,222 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 15:17:49,223 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 15:17:49,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,255 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 15:17:49,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,261 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 15:17:49,262 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 15:17:49,263 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 15:17:49,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,292 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 15:17:49,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,293 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 15:17:49,294 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 15:17:49,295 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 15:17:49,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:49,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,323 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 15:17:49,324 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 15:17:49,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:17:49,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:49,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,357 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 15:17:49,358 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 15:17:49,359 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 15:17:49,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:49,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,391 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 15:17:49,391 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 15:17:49,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:17:49,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:49,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,419 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 15:17:49,419 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 15:17:49,421 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 15:17:49,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,443 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 15:17:49,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,444 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 15:17:49,445 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 15:17:49,446 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 15:17:49,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,470 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 15:17:49,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,472 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 15:17:49,472 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 15:17:49,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:17:49,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-27 15:17:49,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,498 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 15:17:49,499 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 15:17:49,500 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 15:17:49,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:49,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,533 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 15:17:49,534 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 15:17:49,535 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 15:17:49,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,560 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 15:17:49,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,561 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 15:17:49,563 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 15:17:49,563 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 15:17:49,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,594 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 15:17:49,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,595 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 15:17:49,595 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 15:17:49,597 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 15:17:49,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,619 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 15:17:49,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,620 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 15:17:49,621 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 15:17:49,622 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 15:17:49,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,645 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 15:17:49,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,647 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 15:17:49,648 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 15:17:49,651 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 15:17:49,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-08-27 15:17:49,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,674 INFO L229 MonitoredProcess]: Starting monitored process 50 with /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 15:17:49,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 15:17:49,676 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 15:17:49,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-27 15:17:49,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,723 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 15:17:49,724 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 15:17:49,725 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 15:17:49,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,750 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 15:17:49,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,751 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 15:17:49,752 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 15:17:49,753 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 15:17:49,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-08-27 15:17:49,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,779 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 15:17:49,779 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 15:17:49,781 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 15:17:49,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,811 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 15:17:49,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,812 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 15:17:49,813 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 15:17:49,815 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 15:17:49,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,838 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 15:17:49,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,839 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 15:17:49,840 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 15:17:49,841 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 15:17:49,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,873 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 15:17:49,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,874 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 15:17:49,876 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 15:17:49,876 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 15:17:49,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,901 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 15:17:49,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,902 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 15:17:49,902 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 15:17:49,904 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 15:17:49,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,934 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 15:17:49,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,934 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 15:17:49,935 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 15:17:49,936 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 15:17:49,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:49,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:49,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:49,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,959 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 15:17:49,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:49,960 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 15:17:49,960 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 15:17:49,961 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 15:17:49,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:49,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:49,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:49,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:49,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:49,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:49,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:49,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:49,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:49,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:50,000 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 15:17:50,000 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 15:17:50,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:17:50,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:50,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:50,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:50,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:50,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:50,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:50,019 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:17:50,033 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-27 15:17:50,033 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-08-27 15:17:50,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:50,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:50,034 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 15:17:50,035 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 15:17:50,036 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:17:50,049 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:17:50,049 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:17:50,049 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_3 + 16*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 15:17:50,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:50,088 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2021-08-27 15:17:50,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:50,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:17:50,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:50,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 15:17:50,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:50,221 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 15:17:50,221 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-08-27 15:17:50,221 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 37 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:50,295 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 37 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 136 transitions. Complement of second has 11 states. [2021-08-27 15:17:50,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-08-27 15:17:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2021-08-27 15:17:50,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 5 letters. [2021-08-27 15:17:50,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:50,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 14 letters. Loop has 5 letters. [2021-08-27 15:17:50,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:50,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 10 letters. [2021-08-27 15:17:50,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:50,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 136 transitions. [2021-08-27 15:17:50,301 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 29 [2021-08-27 15:17:50,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 86 states and 116 transitions. [2021-08-27 15:17:50,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-08-27 15:17:50,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-08-27 15:17:50,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 116 transitions. [2021-08-27 15:17:50,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:50,305 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-08-27 15:17:50,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 116 transitions. [2021-08-27 15:17:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 60. [2021-08-27 15:17:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 59 states have internal predecessors, (85), 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 15:17:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-08-27 15:17:50,319 INFO L704 BuchiCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-08-27 15:17:50,319 INFO L587 BuchiCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-08-27 15:17:50,319 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 15:17:50,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 85 transitions. [2021-08-27 15:17:50,319 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2021-08-27 15:17:50,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:50,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:50,320 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 15:17:50,320 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 15:17:50,320 INFO L791 eck$LassoCheckResult]: Stem: 801#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 802#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 808#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 809#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 810#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 811#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 816#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 814#L17-4 main_~j~0 := 1; 815#L19-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 812#L19-4 main_~k~0 := 1; 813#L29-3 [2021-08-27 15:17:50,320 INFO L793 eck$LassoCheckResult]: Loop: 813#L29-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem16 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem17 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem16 <= main_#t~mem17 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 817#L6 assume !(0 == __VERIFIER_assert_~cond); 799#L6-2 havoc main_#t~mem16;havoc main_#t~mem17; 800#L29-2 main_#t~post15 := main_~k~0;main_~k~0 := 1 + main_#t~post15;havoc main_#t~post15; 813#L29-3 [2021-08-27 15:17:50,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1489078962, now seen corresponding path program 1 times [2021-08-27 15:17:50,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970757357] [2021-08-27 15:17:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:17:50,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:50,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970757357] [2021-08-27 15:17:50,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970757357] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:17:50,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524001441] [2021-08-27 15:17:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:17:50,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:50,373 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:17:50,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2021-08-27 15:17:50,446 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 15:17:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:50,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:17:50,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:17:50,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524001441] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:17:50,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:17:50,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-08-27 15:17:50,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964298355] [2021-08-27 15:17:50,534 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:17:50,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,535 INFO L82 PathProgramCache]: Analyzing trace with hash 2931530, now seen corresponding path program 1 times [2021-08-27 15:17:50,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943329577] [2021-08-27 15:17:50,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,539 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,545 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:50,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:50,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:17:50,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:17:50,644 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. cyclomatic complexity: 33 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:50,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:50,692 INFO L93 Difference]: Finished difference Result 84 states and 116 transitions. [2021-08-27 15:17:50,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:17:50,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 116 transitions. [2021-08-27 15:17:50,693 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 25 [2021-08-27 15:17:50,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 84 states and 116 transitions. [2021-08-27 15:17:50,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-08-27 15:17:50,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2021-08-27 15:17:50,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 116 transitions. [2021-08-27 15:17:50,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:50,695 INFO L681 BuchiCegarLoop]: Abstraction has 84 states and 116 transitions. [2021-08-27 15:17:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 116 transitions. [2021-08-27 15:17:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 60. [2021-08-27 15:17:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.4) internal successors, (84), 59 states have internal predecessors, (84), 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 15:17:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-08-27 15:17:50,697 INFO L704 BuchiCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-08-27 15:17:50,697 INFO L587 BuchiCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-08-27 15:17:50,697 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 15:17:50,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 84 transitions. [2021-08-27 15:17:50,698 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2021-08-27 15:17:50,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:50,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:50,698 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 15:17:50,698 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:17:50,698 INFO L791 eck$LassoCheckResult]: Stem: 984#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 985#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 986#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 987#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 988#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 989#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1007#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 990#L17-4 main_~j~0 := 1; 991#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1004#L22-5 main_#t~short13 := main_~i~0 >= 0; 1010#L22-1 [2021-08-27 15:17:50,699 INFO L793 eck$LassoCheckResult]: Loop: 1010#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1019#L22-3 assume !!main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 997#L23 assume !(main_~i~0 < 2); 998#L23-2 main_~i~0 := main_~i~0 - 1; 1021#L22-5 main_#t~short13 := main_~i~0 >= 0; 1010#L22-1 [2021-08-27 15:17:50,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1489078996, now seen corresponding path program 1 times [2021-08-27 15:17:50,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237413632] [2021-08-27 15:17:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,705 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,712 INFO L82 PathProgramCache]: Analyzing trace with hash 59418194, now seen corresponding path program 1 times [2021-08-27 15:17:50,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525516362] [2021-08-27 15:17:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,715 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,717 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:50,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,718 INFO L82 PathProgramCache]: Analyzing trace with hash -532813985, now seen corresponding path program 1 times [2021-08-27 15:17:50,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344716140] [2021-08-27 15:17:50,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-27 15:17:50,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:50,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344716140] [2021-08-27 15:17:50,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344716140] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:17:50,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:17:50,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 15:17:50,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385441392] [2021-08-27 15:17:50,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:50,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 15:17:50,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 15:17:50,798 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. cyclomatic complexity: 32 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 15:17:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:50,824 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2021-08-27 15:17:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:17:50,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 86 transitions. [2021-08-27 15:17:50,825 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-08-27 15:17:50,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 65 states and 83 transitions. [2021-08-27 15:17:50,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-08-27 15:17:50,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-08-27 15:17:50,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 83 transitions. [2021-08-27 15:17:50,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:50,826 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-08-27 15:17:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 83 transitions. [2021-08-27 15:17:50,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2021-08-27 15:17:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.280701754385965) internal successors, (73), 56 states have internal predecessors, (73), 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 15:17:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2021-08-27 15:17:50,828 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 73 transitions. [2021-08-27 15:17:50,828 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 73 transitions. [2021-08-27 15:17:50,828 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-27 15:17:50,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 73 transitions. [2021-08-27 15:17:50,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-08-27 15:17:50,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:50,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:50,829 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 15:17:50,829 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:17:50,829 INFO L791 eck$LassoCheckResult]: Stem: 1119#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1120#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1126#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1127#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1128#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1129#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1146#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1130#L17-4 main_~j~0 := 1; 1131#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1141#L22-5 main_#t~short13 := main_~i~0 >= 0; 1114#L22-1 [2021-08-27 15:17:50,829 INFO L793 eck$LassoCheckResult]: Loop: 1114#L22-1 assume !main_#t~short13; 1121#L22-3 assume !!main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1137#L23 assume main_~i~0 < 2;call main_#t~mem14 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem14, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem14; 1135#L23-2 main_~i~0 := main_~i~0 - 1; 1113#L22-5 main_#t~short13 := main_~i~0 >= 0; 1114#L22-1 [2021-08-27 15:17:50,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1489078996, now seen corresponding path program 2 times [2021-08-27 15:17:50,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289542929] [2021-08-27 15:17:50,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,841 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,847 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:50,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,847 INFO L82 PathProgramCache]: Analyzing trace with hash 61263314, now seen corresponding path program 1 times [2021-08-27 15:17:50,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393899769] [2021-08-27 15:17:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:50,854 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 15:17:50,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:50,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393899769] [2021-08-27 15:17:50,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393899769] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:17:50,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:17:50,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 15:17:50,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812114643] [2021-08-27 15:17:50,855 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:17:50,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:50,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:17:50,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:17:50,856 INFO L87 Difference]: Start difference. First operand 57 states and 73 transitions. cyclomatic complexity: 24 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:17:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:50,864 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2021-08-27 15:17:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:17:50,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 58 transitions. [2021-08-27 15:17:50,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-27 15:17:50,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 36 states and 45 transitions. [2021-08-27 15:17:50,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-27 15:17:50,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-08-27 15:17:50,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2021-08-27 15:17:50,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:50,866 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-08-27 15:17:50,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2021-08-27 15:17:50,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2021-08-27 15:17:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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 15:17:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-08-27 15:17:50,868 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-08-27 15:17:50,868 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-08-27 15:17:50,868 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-27 15:17:50,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2021-08-27 15:17:50,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-27 15:17:50,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:50,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:50,869 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:17:50,869 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:17:50,869 INFO L791 eck$LassoCheckResult]: Stem: 1231#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1232#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1236#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1237#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1238#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1239#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1256#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1240#L17-4 main_~j~0 := 1; 1241#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1247#L22-5 main_#t~short13 := main_~i~0 >= 0; 1234#L22-1 assume !main_#t~short13; 1235#L22-3 assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1251#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1227#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1228#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1223#L22-5 [2021-08-27 15:17:50,869 INFO L793 eck$LassoCheckResult]: Loop: 1223#L22-5 main_#t~short13 := main_~i~0 >= 0; 1224#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1233#L22-3 assume !!main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1248#L23 assume main_~i~0 < 2;call main_#t~mem14 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem14, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem14; 1245#L23-2 main_~i~0 := main_~i~0 - 1; 1223#L22-5 [2021-08-27 15:17:50,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,869 INFO L82 PathProgramCache]: Analyzing trace with hash -531020578, now seen corresponding path program 1 times [2021-08-27 15:17:50,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778374739] [2021-08-27 15:17:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-27 15:17:50,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:50,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778374739] [2021-08-27 15:17:50,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778374739] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:17:50,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:17:50,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:17:50,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599497022] [2021-08-27 15:17:50,899 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:17:50,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:50,899 INFO L82 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 2 times [2021-08-27 15:17:50,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:50,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733336591] [2021-08-27 15:17:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:50,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,902 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:50,904 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:50,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:50,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:17:50,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:17:50,985 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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 15:17:51,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:51,018 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-08-27 15:17:51,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:17:51,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-08-27 15:17:51,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-27 15:17:51,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-08-27 15:17:51,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-27 15:17:51,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-08-27 15:17:51,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-08-27 15:17:51,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:51,019 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-08-27 15:17:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-08-27 15:17:51,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2021-08-27 15:17:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 35 states have internal predecessors, (46), 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 15:17:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-08-27 15:17:51,021 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-08-27 15:17:51,021 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-08-27 15:17:51,021 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-27 15:17:51,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-08-27 15:17:51,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-27 15:17:51,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:51,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:51,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:17:51,022 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:17:51,022 INFO L791 eck$LassoCheckResult]: Stem: 1325#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1326#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1327#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1328#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1329#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1330#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1335#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1333#L17-4 main_~j~0 := 1; 1334#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1342#L22-5 main_#t~short13 := main_~i~0 >= 0; 1321#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1322#L22-3 assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1341#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1313#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1314#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1315#L22-5 [2021-08-27 15:17:51,022 INFO L793 eck$LassoCheckResult]: Loop: 1315#L22-5 main_#t~short13 := main_~i~0 >= 0; 1316#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1320#L22-3 assume !!main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1339#L23 assume main_~i~0 < 2;call main_#t~mem14 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem14, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem14; 1337#L23-2 main_~i~0 := main_~i~0 - 1; 1315#L22-5 [2021-08-27 15:17:51,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:51,023 INFO L82 PathProgramCache]: Analyzing trace with hash -532867620, now seen corresponding path program 3 times [2021-08-27 15:17:51,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:51,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588215443] [2021-08-27 15:17:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:51,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:17:51,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:17:51,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588215443] [2021-08-27 15:17:51,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588215443] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:17:51,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534522652] [2021-08-27 15:17:51,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-27 15:17:51,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:17:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:51,310 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:17:51,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-08-27 15:17:51,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-27 15:17:51,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:17:51,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 15:17:51,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:17:51,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534522652] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:17:51,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:17:51,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-08-27 15:17:51,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582903891] [2021-08-27 15:17:51,520 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:17:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:51,521 INFO L82 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 3 times [2021-08-27 15:17:51,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:51,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910602621] [2021-08-27 15:17:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:51,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,523 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:51,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:17:51,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 15:17:51,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-08-27 15:17:51,605 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 15 Second operand has 14 states, 13 states have (on average 2.230769230769231) internal successors, (29), 14 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 15:17:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:17:51,891 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2021-08-27 15:17:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 15:17:51,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 100 transitions. [2021-08-27 15:17:51,892 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 22 [2021-08-27 15:17:51,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 100 transitions. [2021-08-27 15:17:51,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-08-27 15:17:51,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-08-27 15:17:51,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 100 transitions. [2021-08-27 15:17:51,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:51,893 INFO L681 BuchiCegarLoop]: Abstraction has 80 states and 100 transitions. [2021-08-27 15:17:51,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 100 transitions. [2021-08-27 15:17:51,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 52. [2021-08-27 15:17:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 51 states have internal predecessors, (66), 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 15:17:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2021-08-27 15:17:51,894 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 66 transitions. [2021-08-27 15:17:51,894 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 66 transitions. [2021-08-27 15:17:51,894 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-27 15:17:51,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 66 transitions. [2021-08-27 15:17:51,894 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-27 15:17:51,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:51,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:51,895 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:17:51,895 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-27 15:17:51,895 INFO L791 eck$LassoCheckResult]: Stem: 1504#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1505#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1511#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1512#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1513#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1514#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1519#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1539#L17-4 main_~j~0 := 1; 1538#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1537#L22-5 main_#t~short13 := main_~i~0 >= 0; 1530#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1529#L22-3 assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1528#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1500#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1501#L19-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1517#L19-4 main_~k~0 := 1; 1518#L29-3 [2021-08-27 15:17:51,895 INFO L793 eck$LassoCheckResult]: Loop: 1518#L29-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem16 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem17 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem16 <= main_#t~mem17 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1520#L6 assume !(0 == __VERIFIER_assert_~cond); 1509#L6-2 havoc main_#t~mem16;havoc main_#t~mem17; 1510#L29-2 main_#t~post15 := main_~k~0;main_~k~0 := 1 + main_#t~post15;havoc main_#t~post15; 1518#L29-3 [2021-08-27 15:17:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:51,895 INFO L82 PathProgramCache]: Analyzing trace with hash 660972959, now seen corresponding path program 1 times [2021-08-27 15:17:51,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:51,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692035517] [2021-08-27 15:17:51,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:51,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,904 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:51,914 INFO L82 PathProgramCache]: Analyzing trace with hash 2931530, now seen corresponding path program 2 times [2021-08-27 15:17:51,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:51,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295908872] [2021-08-27 15:17:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:51,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,918 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:51,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:51,922 INFO L82 PathProgramCache]: Analyzing trace with hash 183132648, now seen corresponding path program 1 times [2021-08-27 15:17:51,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:51,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763798049] [2021-08-27 15:17:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:51,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,942 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:51,951 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:52,974 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:17:52,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:17:52,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:17:52,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:17:52,974 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:17:52,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:52,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:17:52,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:17:52,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration12_Lasso [2021-08-27 15:17:52,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:17:52,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:17:52,976 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 15:17:52,978 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 15:17:52,979 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 15:17:52,981 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 15:17:52,983 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 15:17:52,985 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 15:17:52,987 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 15:17:52,990 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 15:17:52,992 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 15:17:53,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:53,008 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 15:17:53,220 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 15:17:53,222 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 15:17:53,223 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 15:17:53,225 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 15:17:53,226 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 15:17:53,228 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 15:17:53,242 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 15:17:53,562 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:17:53,563 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:17:53,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,564 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 15:17:53,565 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 15:17:53,567 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 15:17:53,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:53,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:53,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:53,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:53,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,592 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 15:17:53,593 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 15:17:53,594 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 15:17:53,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:53,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:53,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:53,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-08-27 15:17:53,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,620 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 15:17:53,621 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 15:17:53,622 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 15:17:53,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:53,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:53,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,647 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 15:17:53,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,648 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 15:17:53,648 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 15:17:53,650 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 15:17:53,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:53,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:53,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:53,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-08-27 15:17:53,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,673 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 15:17:53,674 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 15:17:53,676 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 15:17:53,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:53,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:53,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,699 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 15:17:53,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,700 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 15:17:53,702 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 15:17:53,703 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 15:17:53,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:53,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:53,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,728 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 15:17:53,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,729 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 15:17:53,729 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 15:17:53,731 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 15:17:53,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:53,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:53,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:53,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-08-27 15:17:53,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,755 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 15:17:53,755 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 15:17:53,757 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 15:17:53,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:53,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:53,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:53,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:53,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,797 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 15:17:53,802 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 15:17:53,803 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 15:17:53,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:53,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:53,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:53,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:53,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,829 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 15:17:53,829 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 15:17:53,831 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 15:17:53,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:53,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:53,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:53,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:53,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:53,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,854 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 15:17:53,855 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 15:17:53,859 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 15:17:53,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:53,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:53,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:53,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:53,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:53,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:53,882 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:17:53,897 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-27 15:17:53,897 INFO L444 ModelExtractionUtils]: 12 out of 22 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-08-27 15:17:53,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:53,898 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 15:17:53,903 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 15:17:53,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:17:53,916 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:17:53,916 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:17:53,916 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_4, ULTIMATE.start_main_~#v~0.offset) = -4*ULTIMATE.start_main_~k~0 + 2*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_4 - 1*ULTIMATE.start_main_~#v~0.offset Supporting invariants [] [2021-08-27 15:17:53,931 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 15:17:53,954 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2021-08-27 15:17:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:53,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:17:53,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:54,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:17:54,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:54,054 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 15:17:54,054 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 15:17:54,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 20 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 15:17:54,060 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 66 transitions. cyclomatic complexity: 20. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 56 states and 71 transitions. Complement of second has 4 states. [2021-08-27 15:17:54,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:17:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 15:17:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-08-27 15:17:54,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 16 letters. Loop has 4 letters. [2021-08-27 15:17:54,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:54,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 20 letters. Loop has 4 letters. [2021-08-27 15:17:54,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:54,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 16 letters. Loop has 8 letters. [2021-08-27 15:17:54,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:54,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 71 transitions. [2021-08-27 15:17:54,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 15:17:54,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 33 states and 42 transitions. [2021-08-27 15:17:54,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-08-27 15:17:54,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-08-27 15:17:54,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2021-08-27 15:17:54,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:17:54,063 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-08-27 15:17:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2021-08-27 15:17:54,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-08-27 15:17:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 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 15:17:54,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2021-08-27 15:17:54,064 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-08-27 15:17:54,064 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-08-27 15:17:54,064 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-08-27 15:17:54,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2021-08-27 15:17:54,064 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 15:17:54,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:17:54,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:17:54,065 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:17:54,065 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:17:54,065 INFO L791 eck$LassoCheckResult]: Stem: 1742#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1743#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1747#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1748#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1749#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1750#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1753#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1764#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1763#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1751#L17-4 main_~j~0 := 1; 1752#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1760#L22-5 main_#t~short13 := main_~i~0 >= 0; 1745#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1746#L22-3 assume !main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1761#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1740#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1741#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1736#L22-5 [2021-08-27 15:17:54,066 INFO L793 eck$LassoCheckResult]: Loop: 1736#L22-5 main_#t~short13 := main_~i~0 >= 0; 1737#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1744#L22-3 assume !!main_#t~short13;havoc main_#t~mem12;havoc main_#t~short13; 1757#L23 assume main_~i~0 < 2;call main_#t~mem14 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem14, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem14; 1754#L23-2 main_~i~0 := main_~i~0 - 1; 1736#L22-5 [2021-08-27 15:17:54,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:54,066 INFO L82 PathProgramCache]: Analyzing trace with hash -610476902, now seen corresponding path program 4 times [2021-08-27 15:17:54,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:54,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338736921] [2021-08-27 15:17:54,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:54,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:54,075 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:54,084 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:54,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:54,084 INFO L82 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 4 times [2021-08-27 15:17:54,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:54,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479754500] [2021-08-27 15:17:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:54,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:54,087 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:54,089 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:54,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2021573807, now seen corresponding path program 1 times [2021-08-27 15:17:54,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:17:54,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715169893] [2021-08-27 15:17:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:17:54,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:17:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:54,099 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:17:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:17:54,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:17:54,221 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 15:17:55,140 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:17:55,140 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:17:55,140 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:17:55,140 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:17:55,140 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:17:55,140 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,140 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:17:55,140 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:17:55,140 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration13_Lasso [2021-08-27 15:17:55,140 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:17:55,140 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:17:55,142 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 15:17:55,150 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 15:17:55,152 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 15:17:55,154 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 15:17:55,155 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 15:17:55,157 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 15:17:55,158 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 15:17:55,349 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 15:17:55,351 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 15:17:55,353 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 15:17:55,354 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 15:17:55,356 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 15:17:55,357 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 15:17:55,360 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 15:17:55,361 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 15:17:55,362 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 15:17:55,364 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 15:17:55,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:17:55,575 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:17:55,575 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:17:55,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,577 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 15:17:55,577 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 15:17:55,579 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 15:17:55,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:55,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:55,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:55,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:55,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:55,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:55,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:55,603 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 15:17:55,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,604 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 15:17:55,604 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 15:17:55,606 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 15:17:55,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:55,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:55,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:55,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:55,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:55,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:55,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:55,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-08-27 15:17:55,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,661 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 15:17:55,661 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 15:17:55,663 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 15:17:55,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:55,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:55,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:55,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:55,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:55,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:55,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:55,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:55,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:55,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,685 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 15:17:55,686 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 15:17:55,687 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 15:17:55,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:55,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:55,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:55,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:55,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:55,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:55,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:55,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:55,710 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 15:17:55,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,710 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 15:17:55,711 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 15:17:55,712 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 15:17:55,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:55,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:55,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:55,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:55,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:55,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:55,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:55,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:55,734 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 15:17:55,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,735 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 15:17:55,736 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 15:17:55,737 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 15:17:55,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:55,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:17:55,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:55,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:55,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:55,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:17:55,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:17:55,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:17:55,759 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 15:17:55,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,760 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 15:17:55,760 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 15:17:55,761 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 15:17:55,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:17:55,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:17:55,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:17:55,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:17:55,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:17:55,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:17:55,777 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:17:55,785 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-08-27 15:17:55,785 INFO L444 ModelExtractionUtils]: 12 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-08-27 15:17:55,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:17:55,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:17:55,786 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 15:17:55,786 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 15:17:55,787 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:17:55,799 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:17:55,799 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:17:55,799 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2021-08-27 15:17:55,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:55,844 INFO L297 tatePredicateManager]: 17 out of 17 supporting invariants were superfluous and have been removed [2021-08-27 15:17:55,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:55,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:17:55,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:55,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:17:55,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:55,986 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 15:17:55,986 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 15:17:55,986 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 15:17:56,012 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 55 states and 68 transitions. Complement of second has 9 states. [2021-08-27 15:17:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 15:17:56,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 15:17:56,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-08-27 15:17:56,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 17 letters. Loop has 5 letters. [2021-08-27 15:17:56,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:56,017 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 15:17:56,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:56,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:17:56,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:56,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:17:56,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:56,146 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 15:17:56,147 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 15:17:56,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 15:17:56,165 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 55 states and 68 transitions. Complement of second has 9 states. [2021-08-27 15:17:56,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 15:17:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 15:17:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-08-27 15:17:56,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 17 letters. Loop has 5 letters. [2021-08-27 15:17:56,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:56,166 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 15:17:56,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:17:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:56,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:17:56,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:17:56,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:17:56,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:17:56,297 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 15:17:56,298 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 15:17:56,298 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 15:17:56,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:56,326 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 42 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 77 transitions. Complement of second has 8 states. [2021-08-27 15:17:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 15:17:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 15:17:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-08-27 15:17:56,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 17 letters. Loop has 5 letters. [2021-08-27 15:17:56,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:56,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 22 letters. Loop has 5 letters. [2021-08-27 15:17:56,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:56,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 17 letters. Loop has 10 letters. [2021-08-27 15:17:56,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:17:56,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 77 transitions. [2021-08-27 15:17:56,328 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:17:56,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2021-08-27 15:17:56,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:17:56,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:17:56,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:17:56,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:17:56,332 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:17:56,332 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:17:56,332 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:17:56,332 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-08-27 15:17:56,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:17:56,332 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:17:56,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:17:56,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:17:56 BoogieIcfgContainer [2021-08-27 15:17:56,336 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:17:56,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:17:56,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:17:56,336 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:17:56,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:17:42" (3/4) ... [2021-08-27 15:17:56,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:17:56,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:17:56,339 INFO L168 Benchmark]: Toolchain (without parser) took 14469.71 ms. Allocated memory was 62.9 MB in the beginning and 234.9 MB in the end (delta: 172.0 MB). Free memory was 44.3 MB in the beginning and 186.9 MB in the end (delta: -142.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:17:56,339 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:17:56,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.40 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 34.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:17:56,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.89 ms. Allocated memory is still 62.9 MB. Free memory was 34.4 MB in the beginning and 46.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 15:17:56,340 INFO L168 Benchmark]: Boogie Preprocessor took 33.46 ms. Allocated memory is still 62.9 MB. Free memory was 46.7 MB in the beginning and 45.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:17:56,340 INFO L168 Benchmark]: RCFGBuilder took 330.91 ms. Allocated memory is still 62.9 MB. Free memory was 45.6 MB in the beginning and 29.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 15:17:56,340 INFO L168 Benchmark]: BuchiAutomizer took 13870.90 ms. Allocated memory was 62.9 MB in the beginning and 234.9 MB in the end (delta: 172.0 MB). Free memory was 29.5 MB in the beginning and 186.9 MB in the end (delta: -157.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-08-27 15:17:56,340 INFO L168 Benchmark]: Witness Printer took 1.92 ms. Allocated memory is still 234.9 MB. Free memory is still 186.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:17:56,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 181.40 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 34.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.89 ms. Allocated memory is still 62.9 MB. Free memory was 34.4 MB in the beginning and 46.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.46 ms. Allocated memory is still 62.9 MB. Free memory was 46.7 MB in the beginning and 45.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 330.91 ms. Allocated memory is still 62.9 MB. Free memory was 45.6 MB in the beginning and 29.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13870.90 ms. Allocated memory was 62.9 MB in the beginning and 234.9 MB in the end (delta: 172.0 MB). Free memory was 29.5 MB in the beginning and 186.9 MB in the end (delta: -157.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 1.92 ms. Allocated memory is still 234.9 MB. Free memory is still 186.9 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 13 terminating modules (8 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * v + unknown-#length-unknown[v] + -4 * j and consists of 5 locations. One deterministic module has affine ranking function 2 * unknown-#length-unknown[v] + -1 * v + -4 * j and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[v] + 16 * i and consists of 6 locations. One deterministic module has affine ranking function 2 * unknown-#length-unknown[v] + -1 * v + -4 * k and consists of 3 locations. One nondeterministic module has affine ranking function 2 * i + 1 and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.8s and 14 iterations. TraceHistogramMax:3. Analysis of lassos took 11.9s. Construction of modules took 0.4s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 8. Automata minimization 39.7ms AutomataMinimizationTime, 12 MinimizatonAttempts, 114 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 60 states and ocurred in iteration 6. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 256 SDtfs, 443 SDslu, 438 SDs, 0 SdLazy, 551 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 406.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc3 concLT0 SILN0 SILU3 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital273 mio100 ax100 hnf99 lsp99 ukn51 mio100 lsp54 div212 bol100 ite100 ukn100 eq147 hnf64 smp87 dnf123 smp91 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 120ms VariablesStem: 7 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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 15:17:56,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:56,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:56,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-08-27 15:17:56,981 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...