./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 791161d1 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 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:06:18,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:06:18,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:06:18,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:06:18,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:06:18,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:06:18,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:06:18,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:06:18,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:06:18,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:06:18,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:06:18,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:06:18,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:06:18,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:06:18,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:06:18,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:06:18,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:06:18,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:06:18,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:06:18,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:06:18,466 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:06:18,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:06:18,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:06:18,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:06:18,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:06:18,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:06:18,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:06:18,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:06:18,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:06:18,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:06:18,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:06:18,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:06:18,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:06:18,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:06:18,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:06:18,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:06:18,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:06:18,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:06:18,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:06:18,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:06:18,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:06:18,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:06:18,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:06:18,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:06:18,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:06:18,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:06:18,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:06:18,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:06:18,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:06:18,521 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:06:18,521 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:06:18,521 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:06:18,522 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:06:18,522 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:06:18,523 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:06:18,523 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:06:18,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:06:18,523 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:06:18,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:06:18,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:06:18,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:06:18,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:06:18,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:06:18,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:06:18,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:06:18,525 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:06:18,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:06:18,525 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:06:18,525 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:06:18,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:06:18,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:06:18,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:06:18,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:06:18,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:06:18,527 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:06:18,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd [2022-07-23 15:06:18,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:06:18,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:06:18,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:06:18,795 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:06:18,795 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:06:18,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/insertion_sort-1.c [2022-07-23 15:06:18,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa3a40b0/f6a2574b0bbf4c6c9ccf14ff5689cf4e/FLAGf7190571d [2022-07-23 15:06:19,187 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:06:19,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-1.c [2022-07-23 15:06:19,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa3a40b0/f6a2574b0bbf4c6c9ccf14ff5689cf4e/FLAGf7190571d [2022-07-23 15:06:19,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fa3a40b0/f6a2574b0bbf4c6c9ccf14ff5689cf4e [2022-07-23 15:06:19,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:06:19,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:06:19,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:06:19,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:06:19,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:06:19,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab5c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19, skipping insertion in model container [2022-07-23 15:06:19,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:06:19,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:06:19,773 WARN L230 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] [2022-07-23 15:06:19,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:06:19,794 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:06:19,804 WARN L230 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] [2022-07-23 15:06:19,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:06:19,826 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:06:19,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19 WrapperNode [2022-07-23 15:06:19,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:06:19,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:06:19,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:06:19,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:06:19,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,857 INFO L137 Inliner]: procedures = 15, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2022-07-23 15:06:19,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:06:19,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:06:19,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:06:19,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:06:19,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:06:19,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:06:19,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:06:19,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:06:19,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (1/1) ... [2022-07-23 15:06:19,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:19,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:19,932 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) [2022-07-23 15:06:19,934 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 [2022-07-23 15:06:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:06:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:06:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 15:06:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 15:06:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:06:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:06:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 15:06:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 15:06:20,016 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:06:20,018 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:06:20,155 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:06:20,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:06:20,161 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-23 15:06:20,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:20 BoogieIcfgContainer [2022-07-23 15:06:20,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:06:20,163 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:06:20,164 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:06:20,166 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:06:20,167 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:20,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:06:19" (1/3) ... [2022-07-23 15:06:20,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b9db87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:06:20, skipping insertion in model container [2022-07-23 15:06:20,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:20,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:06:19" (2/3) ... [2022-07-23 15:06:20,169 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b9db87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:06:20, skipping insertion in model container [2022-07-23 15:06:20,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:06:20,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:20" (3/3) ... [2022-07-23 15:06:20,171 INFO L354 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1.c [2022-07-23 15:06:20,247 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:06:20,248 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:06:20,248 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:06:20,248 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:06:20,248 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:06:20,248 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:06:20,248 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:06:20,248 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:06:20,255 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) [2022-07-23 15:06:20,278 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-07-23 15:06:20,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:20,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:20,285 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 15:06:20,285 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:20,286 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:06:20,286 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) [2022-07-23 15:06:20,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-07-23 15:06:20,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:20,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:20,289 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 15:06:20,289 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:06:20,294 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 11#L17-3true [2022-07-23 15:06:20,294 INFO L754 eck$LassoCheckResult]: Loop: 11#L17-3true assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 15#L17-2true main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 11#L17-3true [2022-07-23 15:06:20,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:20,300 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 15:06:20,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:20,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973573154] [2022-07-23 15:06:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:20,410 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:20,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:20,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:20,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-07-23 15:06:20,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:20,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769702331] [2022-07-23 15:06:20,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:20,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:20,497 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:20,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:20,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:20,513 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-07-23 15:06:20,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:20,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441000376] [2022-07-23 15:06:20,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:20,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:20,534 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:20,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:20,890 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:20,890 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:20,890 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:20,891 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:20,891 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:20,891 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:20,892 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:20,892 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:20,892 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration1_Lasso [2022-07-23 15:06:20,892 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:20,893 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:20,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:20,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:21,946 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:21,950 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:21,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:21,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:21,954 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) [2022-07-23 15:06:21,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:21,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:21,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:21,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:21,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:21,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:21,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:21,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:21,983 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 [2022-07-23 15:06:21,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,013 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 [2022-07-23 15:06:22,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,015 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) [2022-07-23 15:06:22,018 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 [2022-07-23 15:06:22,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:22,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:22,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:22,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:22,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,056 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) [2022-07-23 15:06:22,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,071 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 [2022-07-23 15:06:22,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:22,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:22,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:22,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:22,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,100 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) [2022-07-23 15:06:22,101 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 [2022-07-23 15:06:22,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:22,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:22,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:22,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,168 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 [2022-07-23 15:06:22,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,170 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) [2022-07-23 15:06:22,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:22,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:22,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:22,188 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 [2022-07-23 15:06:22,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,205 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 [2022-07-23 15:06:22,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,206 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) [2022-07-23 15:06:22,207 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 [2022-07-23 15:06:22,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:22,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:22,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,253 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 [2022-07-23 15:06:22,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,254 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) [2022-07-23 15:06:22,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:22,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:22,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:22,262 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 [2022-07-23 15:06:22,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,307 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 [2022-07-23 15:06:22,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,308 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) [2022-07-23 15:06:22,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:22,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:22,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:22,325 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 [2022-07-23 15:06:22,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-23 15:06:22,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,358 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) [2022-07-23 15:06:22,358 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 [2022-07-23 15:06:22,359 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 [2022-07-23 15:06:22,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:22,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:22,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:22,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,385 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) [2022-07-23 15:06:22,386 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 [2022-07-23 15:06:22,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:22,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:22,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:22,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:22,424 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 [2022-07-23 15:06:22,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,426 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) [2022-07-23 15:06:22,426 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 [2022-07-23 15:06:22,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:22,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:22,434 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-23 15:06:22,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:22,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:22,453 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-07-23 15:06:22,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:22,472 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:22,504 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-07-23 15:06:22,504 INFO L444 ModelExtractionUtils]: 9 out of 25 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-23 15:06:22,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:22,527 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) [2022-07-23 15:06:22,546 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:22,553 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 [2022-07-23 15:06:22,576 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 15:06:22,576 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:22,577 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#v~0#1.offset, ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1) = -1*ULTIMATE.start_main_~#v~0#1.offset - 4*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1 Supporting invariants [] [2022-07-23 15:06:22,631 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 [2022-07-23 15:06:22,645 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-23 15:06:22,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:22,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:06:22,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:22,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:22,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:22,752 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 [2022-07-23 15:06:22,754 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) [2022-07-23 15:06:22,807 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. [2022-07-23 15:06:22,809 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 [2022-07-23 15:06:22,816 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) [2022-07-23 15:06:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-07-23 15:06:22,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-23 15:06:22,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:22,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-23 15:06:22,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:22,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-23 15:06:22,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:22,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 67 transitions. [2022-07-23 15:06:22,828 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-07-23 15:06:22,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 20 states and 29 transitions. [2022-07-23 15:06:22,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-23 15:06:22,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-07-23 15:06:22,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2022-07-23 15:06:22,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:22,834 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-07-23 15:06:22,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2022-07-23 15:06:22,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-23 15:06:22,855 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) [2022-07-23 15:06:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2022-07-23 15:06:22,857 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-07-23 15:06:22,857 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-07-23 15:06:22,857 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:06:22,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2022-07-23 15:06:22,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-07-23 15:06:22,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:22,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:22,860 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-23 15:06:22,860 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 15:06:22,861 INFO L752 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 139#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 142#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 143#L17-4 main_~j~0#1 := 1; 136#L19-3 [2022-07-23 15:06:22,861 INFO L754 eck$LassoCheckResult]: Loop: 136#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 132#L22-5 assume !true; 133#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 135#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 136#L19-3 [2022-07-23 15:06:22,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-07-23 15:06:22,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:22,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885168000] [2022-07-23 15:06:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:22,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:22,899 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:22,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:22,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:22,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1687228, now seen corresponding path program 1 times [2022-07-23 15:06:22,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:22,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792078895] [2022-07-23 15:06:22,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:22,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:22,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792078895] [2022-07-23 15:06:22,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792078895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:22,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:22,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 15:06:22,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774043159] [2022-07-23 15:06:22,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:22,979 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:06:22,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:22,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 15:06:22,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 15:06:22,983 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) [2022-07-23 15:06:22,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:22,988 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2022-07-23 15:06:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 15:06:22,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2022-07-23 15:06:22,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-07-23 15:06:22,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 25 transitions. [2022-07-23 15:06:22,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-23 15:06:22,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-23 15:06:22,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-07-23 15:06:22,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:22,993 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-23 15:06:22,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-07-23 15:06:22,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-23 15:06:22,995 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) [2022-07-23 15:06:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-07-23 15:06:22,999 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-23 15:06:22,999 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-23 15:06:22,999 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:06:22,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-07-23 15:06:22,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-07-23 15:06:23,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:23,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:23,000 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-23 15:06:23,000 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 15:06:23,000 INFO L752 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 185#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 186#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 187#L17-4 main_~j~0#1 := 1; 180#L19-3 [2022-07-23 15:06:23,000 INFO L754 eck$LassoCheckResult]: Loop: 180#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 177#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 178#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 181#L22-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 195#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 179#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 180#L19-3 [2022-07-23 15:06:23,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:23,001 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 2 times [2022-07-23 15:06:23,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:23,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985471055] [2022-07-23 15:06:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:23,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:23,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:23,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1602376878, now seen corresponding path program 1 times [2022-07-23 15:06:23,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:23,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330320509] [2022-07-23 15:06:23,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:23,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:23,075 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 [2022-07-23 15:06:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:23,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:23,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1970718008, now seen corresponding path program 1 times [2022-07-23 15:06:23,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:23,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993161712] [2022-07-23 15:06:23,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:23,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:23,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:23,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993161712] [2022-07-23 15:06:23,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993161712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:23,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:23,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:06:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055303123] [2022-07-23 15:06:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:23,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:23,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:06:23,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:06:23,345 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) [2022-07-23 15:06:23,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:23,412 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-07-23 15:06:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:06:23,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-07-23 15:06:23,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-07-23 15:06:23,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2022-07-23 15:06:23,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-23 15:06:23,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-23 15:06:23,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-07-23 15:06:23,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:23,415 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-23 15:06:23,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-07-23 15:06:23,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-23 15:06:23,416 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) [2022-07-23 15:06:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-07-23 15:06:23,416 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-07-23 15:06:23,416 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-07-23 15:06:23,417 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 15:06:23,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-07-23 15:06:23,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-07-23 15:06:23,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:23,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:23,417 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-23 15:06:23,417 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 15:06:23,418 INFO L752 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 241#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 242#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 243#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 244#L17-4 main_~j~0#1 := 1; 233#L19-3 [2022-07-23 15:06:23,418 INFO L754 eck$LassoCheckResult]: Loop: 233#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 234#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 235#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 240#L22-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 250#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 232#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 233#L19-3 [2022-07-23 15:06:23,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:23,418 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-07-23 15:06:23,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:23,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038012454] [2022-07-23 15:06:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:23,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,440 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:23,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1602376878, now seen corresponding path program 2 times [2022-07-23 15:06:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:23,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346568324] [2022-07-23 15:06:23,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,483 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:23,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:23,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1315520442, now seen corresponding path program 1 times [2022-07-23 15:06:23,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:23,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629447802] [2022-07-23 15:06:23,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:23,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:23,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:23,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629447802] [2022-07-23 15:06:23,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629447802] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 15:06:23,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202160136] [2022-07-23 15:06:23,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:23,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:23,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:23,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:23,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-23 15:06:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:23,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 15:06:23,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:23,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 15:06:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:23,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202160136] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 15:06:23,986 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 15:06:23,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-07-23 15:06:23,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39953740] [2022-07-23 15:06:23,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 15:06:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:24,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 15:06:24,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-07-23 15:06:24,129 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 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) [2022-07-23 15:06:24,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:24,313 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-07-23 15:06:24,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 15:06:24,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2022-07-23 15:06:24,315 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2022-07-23 15:06:24,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2022-07-23 15:06:24,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-07-23 15:06:24,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-07-23 15:06:24,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2022-07-23 15:06:24,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:06:24,316 INFO L369 hiAutomatonCegarLoop]: Abstraction has 35 states and 44 transitions. [2022-07-23 15:06:24,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2022-07-23 15:06:24,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 21. [2022-07-23 15:06:24,318 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) [2022-07-23 15:06:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-07-23 15:06:24,318 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-07-23 15:06:24,318 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-07-23 15:06:24,318 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 15:06:24,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2022-07-23 15:06:24,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-07-23 15:06:24,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:24,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:24,319 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2022-07-23 15:06:24,320 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 15:06:24,320 INFO L752 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 383#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 387#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 388#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 389#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 390#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 398#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 391#L17-4 main_~j~0#1 := 1; 381#L19-3 [2022-07-23 15:06:24,320 INFO L754 eck$LassoCheckResult]: Loop: 381#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 378#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 379#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 384#L22-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 397#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 380#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 381#L19-3 [2022-07-23 15:06:24,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:24,320 INFO L85 PathProgramCache]: Analyzing trace with hash 265236367, now seen corresponding path program 2 times [2022-07-23 15:06:24,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:24,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383789649] [2022-07-23 15:06:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:24,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:24,345 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:24,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:24,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:24,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1602376878, now seen corresponding path program 3 times [2022-07-23 15:06:24,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:24,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647919933] [2022-07-23 15:06:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:24,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:24,378 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:24,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:24,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:24,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1264115268, now seen corresponding path program 2 times [2022-07-23 15:06:24,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:24,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629115203] [2022-07-23 15:06:24,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:24,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:24,426 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:24,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:24,895 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:24,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:24,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:24,896 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:24,896 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:24,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:24,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:24,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:24,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration5_Lasso [2022-07-23 15:06:24,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:24,896 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:24,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:24,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:24,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:24,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:24,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:24,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:24,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:24,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:25,580 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:25,580 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:25,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,581 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) [2022-07-23 15:06:25,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:25,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:25,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:25,601 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 [2022-07-23 15:06:25,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:25,634 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 [2022-07-23 15:06:25,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,636 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) [2022-07-23 15:06:25,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:25,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:25,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:25,654 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 [2022-07-23 15:06:25,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:25,689 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 [2022-07-23 15:06:25,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,690 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) [2022-07-23 15:06:25,697 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 [2022-07-23 15:06:25,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:25,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:25,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:25,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:25,742 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 [2022-07-23 15:06:25,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,744 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) [2022-07-23 15:06:25,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:25,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:25,767 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 [2022-07-23 15:06:25,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:25,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:25,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,802 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) [2022-07-23 15:06:25,803 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 [2022-07-23 15:06:25,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:25,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:25,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:25,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:25,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:25,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,893 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) [2022-07-23 15:06:25,896 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 [2022-07-23 15:06:25,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:25,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:25,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:25,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:25,935 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 [2022-07-23 15:06:25,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,936 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) [2022-07-23 15:06:25,937 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 [2022-07-23 15:06:25,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:25,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:25,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:25,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:25,964 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 [2022-07-23 15:06:25,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:25,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:25,965 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) [2022-07-23 15:06:25,966 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 [2022-07-23 15:06:25,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:25,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:25,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:25,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:25,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:25,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:25,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,028 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 [2022-07-23 15:06:26,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,030 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) [2022-07-23 15:06:26,033 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 [2022-07-23 15:06:26,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,062 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 [2022-07-23 15:06:26,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,064 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) [2022-07-23 15:06:26,066 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 [2022-07-23 15:06:26,067 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 [2022-07-23 15:06:26,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:26,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,116 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) [2022-07-23 15:06:26,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,145 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 [2022-07-23 15:06:26,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-23 15:06:26,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,167 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) [2022-07-23 15:06:26,168 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 [2022-07-23 15:06:26,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:26,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,220 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) [2022-07-23 15:06:26,221 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 [2022-07-23 15:06:26,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-23 15:06:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,263 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:26,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-23 15:06:26,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-23 15:06:26,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,304 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) [2022-07-23 15:06:26,305 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 [2022-07-23 15:06:26,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,359 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 [2022-07-23 15:06:26,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,360 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) [2022-07-23 15:06:26,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,376 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 [2022-07-23 15:06:26,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:26,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,417 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) [2022-07-23 15:06:26,418 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 [2022-07-23 15:06:26,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,468 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 [2022-07-23 15:06:26,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,470 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) [2022-07-23 15:06:26,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,491 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 [2022-07-23 15:06:26,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:26,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,536 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) [2022-07-23 15:06:26,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,551 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 [2022-07-23 15:06:26,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,590 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 [2022-07-23 15:06:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,592 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) [2022-07-23 15:06:26,592 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 [2022-07-23 15:06:26,594 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 [2022-07-23 15:06:26,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:26,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,627 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) [2022-07-23 15:06:26,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:26,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:26,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:26,639 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 [2022-07-23 15:06:26,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:26,685 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 [2022-07-23 15:06:26,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,687 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) [2022-07-23 15:06:26,690 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 [2022-07-23 15:06:26,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:26,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:26,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:26,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:26,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:26,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:26,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:26,731 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:26,750 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-23 15:06:26,751 INFO L444 ModelExtractionUtils]: 10 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-07-23 15:06:26,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:26,756 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) [2022-07-23 15:06:26,757 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 [2022-07-23 15:06:26,758 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:26,784 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 15:06:26,784 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:26,784 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-07-23 15:06:26,810 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 [2022-07-23 15:06:26,866 INFO L293 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2022-07-23 15:06:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:26,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:26,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:26,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 15:06:26,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:26,988 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-23 15:06:26,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:27,030 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 47 transitions. Complement of second has 7 states. [2022-07-23 15:06:27,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 15:06:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-07-23 15:06:27,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 6 letters. [2022-07-23 15:06:27,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:27,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 14 letters. Loop has 6 letters. [2022-07-23 15:06:27,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:27,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 12 letters. [2022-07-23 15:06:27,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:27,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 47 transitions. [2022-07-23 15:06:27,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:27,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 38 transitions. [2022-07-23 15:06:27,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-23 15:06:27,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-07-23 15:06:27,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 38 transitions. [2022-07-23 15:06:27,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:27,040 INFO L369 hiAutomatonCegarLoop]: Abstraction has 28 states and 38 transitions. [2022-07-23 15:06:27,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 38 transitions. [2022-07-23 15:06:27,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-07-23 15:06:27,043 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) [2022-07-23 15:06:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2022-07-23 15:06:27,044 INFO L392 hiAutomatonCegarLoop]: Abstraction has 27 states and 37 transitions. [2022-07-23 15:06:27,044 INFO L374 stractBuchiCegarLoop]: Abstraction has 27 states and 37 transitions. [2022-07-23 15:06:27,044 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-23 15:06:27,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 37 transitions. [2022-07-23 15:06:27,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:27,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:27,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:27,045 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2022-07-23 15:06:27,045 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 15:06:27,046 INFO L752 eck$LassoCheckResult]: Stem: 572#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 573#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 578#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 579#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 580#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 581#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 592#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 582#L17-4 main_~j~0#1 := 1; 583#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 566#L22-5 [2022-07-23 15:06:27,047 INFO L754 eck$LassoCheckResult]: Loop: 566#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 567#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 574#L22-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 589#L23 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 587#L23-2 main_~i~0#1 := main_~i~0#1 - 1; 566#L22-5 [2022-07-23 15:06:27,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:27,047 INFO L85 PathProgramCache]: Analyzing trace with hash -367607191, now seen corresponding path program 1 times [2022-07-23 15:06:27,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:27,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189973387] [2022-07-23 15:06:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:27,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:27,065 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:27,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:27,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:27,080 INFO L85 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 1 times [2022-07-23 15:06:27,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:27,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879563962] [2022-07-23 15:06:27,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:27,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:27,085 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:27,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:27,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:27,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1264113600, now seen corresponding path program 1 times [2022-07-23 15:06:27,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:27,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473506860] [2022-07-23 15:06:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:27,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:27,101 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:27,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:27,467 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 [2022-07-23 15:06:27,530 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:27,530 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:27,530 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:27,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:27,530 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:27,531 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:27,531 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:27,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:27,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration6_Lasso [2022-07-23 15:06:27,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:27,531 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:27,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:27,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:28,310 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:28,310 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:28,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,320 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) [2022-07-23 15:06:28,325 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 [2022-07-23 15:06:28,325 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 [2022-07-23 15:06:28,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,348 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 [2022-07-23 15:06:28,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,349 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) [2022-07-23 15:06:28,350 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 [2022-07-23 15:06:28,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-23 15:06:28,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,375 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) [2022-07-23 15:06:28,389 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 [2022-07-23 15:06:28,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-23 15:06:28,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,418 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) [2022-07-23 15:06:28,419 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 [2022-07-23 15:06:28,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,442 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 [2022-07-23 15:06:28,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,443 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) [2022-07-23 15:06:28,444 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 [2022-07-23 15:06:28,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:28,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,470 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) [2022-07-23 15:06:28,470 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 [2022-07-23 15:06:28,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,494 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 [2022-07-23 15:06:28,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,496 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) [2022-07-23 15:06:28,502 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 [2022-07-23 15:06:28,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,526 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 [2022-07-23 15:06:28,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,527 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) [2022-07-23 15:06:28,535 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 [2022-07-23 15:06:28,539 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 [2022-07-23 15:06:28,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,561 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 [2022-07-23 15:06:28,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,562 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) [2022-07-23 15:06:28,563 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 [2022-07-23 15:06:28,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,587 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 [2022-07-23 15:06:28,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,588 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) [2022-07-23 15:06:28,589 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 [2022-07-23 15:06:28,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,619 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 [2022-07-23 15:06:28,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,620 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) [2022-07-23 15:06:28,621 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 [2022-07-23 15:06:28,622 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 [2022-07-23 15:06:28,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:28,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,657 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) [2022-07-23 15:06:28,658 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 [2022-07-23 15:06:28,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:28,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:28,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:28,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,683 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 [2022-07-23 15:06:28,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,684 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) [2022-07-23 15:06:28,685 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 [2022-07-23 15:06:28,687 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 [2022-07-23 15:06:28,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,715 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 [2022-07-23 15:06:28,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,716 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) [2022-07-23 15:06:28,717 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 [2022-07-23 15:06:28,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-23 15:06:28,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,753 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) [2022-07-23 15:06:28,754 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 [2022-07-23 15:06:28,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:28,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,808 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) [2022-07-23 15:06:28,808 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 [2022-07-23 15:06:28,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-23 15:06:28,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,837 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) [2022-07-23 15:06:28,837 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 [2022-07-23 15:06:28,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:28,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,890 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) [2022-07-23 15:06:28,891 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 [2022-07-23 15:06:28,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-23 15:06:28,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,918 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) [2022-07-23 15:06:28,919 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 [2022-07-23 15:06:28,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:28,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,946 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) [2022-07-23 15:06:28,947 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 [2022-07-23 15:06:28,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:28,974 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 [2022-07-23 15:06:28,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:28,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:28,975 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) [2022-07-23 15:06:28,975 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 [2022-07-23 15:06:28,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:28,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:28,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:28,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:28,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:28,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:28,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:28,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:29,010 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 [2022-07-23 15:06:29,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:29,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:29,011 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) [2022-07-23 15:06:29,012 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 [2022-07-23 15:06:29,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:29,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:29,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:29,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:29,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:29,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:29,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:29,047 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:29,081 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-07-23 15:06:29,081 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-07-23 15:06:29,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:29,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:29,084 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) [2022-07-23 15:06:29,093 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 [2022-07-23 15:06:29,093 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:29,100 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 15:06:29,100 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:29,100 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-07-23 15:06:29,116 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 [2022-07-23 15:06:29,155 INFO L293 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-07-23 15:06:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:29,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:29,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:29,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 15:06:29,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:29,272 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-23 15:06:29,272 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) [2022-07-23 15:06:29,327 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 63 states and 84 transitions. Complement of second has 10 states. [2022-07-23 15:06:29,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 15:06:29,328 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) [2022-07-23 15:06:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2022-07-23 15:06:29,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 9 letters. Loop has 5 letters. [2022-07-23 15:06:29,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:29,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 14 letters. Loop has 5 letters. [2022-07-23 15:06:29,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:29,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 9 letters. Loop has 10 letters. [2022-07-23 15:06:29,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:29,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 84 transitions. [2022-07-23 15:06:29,330 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2022-07-23 15:06:29,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 45 states and 58 transitions. [2022-07-23 15:06:29,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-07-23 15:06:29,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-07-23 15:06:29,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2022-07-23 15:06:29,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:29,331 INFO L369 hiAutomatonCegarLoop]: Abstraction has 45 states and 58 transitions. [2022-07-23 15:06:29,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2022-07-23 15:06:29,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2022-07-23 15:06:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 33 states have internal predecessors, (47), 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) [2022-07-23 15:06:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2022-07-23 15:06:29,333 INFO L392 hiAutomatonCegarLoop]: Abstraction has 34 states and 47 transitions. [2022-07-23 15:06:29,333 INFO L374 stractBuchiCegarLoop]: Abstraction has 34 states and 47 transitions. [2022-07-23 15:06:29,333 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-23 15:06:29,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 47 transitions. [2022-07-23 15:06:29,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:29,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:29,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:29,334 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:29,334 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 15:06:29,334 INFO L752 eck$LassoCheckResult]: Stem: 803#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 804#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 809#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 810#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 811#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 812#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 826#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 815#L17-4 main_~j~0#1 := 1; 816#L19-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 813#L19-4 main_~k~0#1 := 1; 814#L29-3 [2022-07-23 15:06:29,335 INFO L754 eck$LassoCheckResult]: Loop: 814#L29-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem13#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem14#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem13#1 <= main_#t~mem14#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 817#L6 assume !(0 == __VERIFIER_assert_~cond#1); 807#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem13#1;havoc main_#t~mem14#1; 808#L29-2 main_#t~post12#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 814#L29-3 [2022-07-23 15:06:29,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:29,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1489078962, now seen corresponding path program 1 times [2022-07-23 15:06:29,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:29,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855011818] [2022-07-23 15:06:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:29,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:29,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:29,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855011818] [2022-07-23 15:06:29,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855011818] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 15:06:29,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495089902] [2022-07-23 15:06:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:29,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:29,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:29,400 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 15:06:29,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2022-07-23 15:06:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:29,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 15:06:29,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:29,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 15:06:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:29,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495089902] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 15:06:29,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 15:06:29,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-07-23 15:06:29,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772812052] [2022-07-23 15:06:29,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 15:06:29,550 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:06:29,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2931530, now seen corresponding path program 1 times [2022-07-23 15:06:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:29,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414988772] [2022-07-23 15:06:29,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:29,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:29,566 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:29,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:29,589 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 [2022-07-23 15:06:29,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:29,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 15:06:29,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-23 15:06:29,667 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. cyclomatic complexity: 18 Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:06:29,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:29,896 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-07-23 15:06:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 15:06:29,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2022-07-23 15:06:29,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2022-07-23 15:06:29,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 60 transitions. [2022-07-23 15:06:29,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-07-23 15:06:29,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-07-23 15:06:29,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 60 transitions. [2022-07-23 15:06:29,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:29,899 INFO L369 hiAutomatonCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-07-23 15:06:29,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 60 transitions. [2022-07-23 15:06:29,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2022-07-23 15:06:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 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) [2022-07-23 15:06:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2022-07-23 15:06:29,901 INFO L392 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2022-07-23 15:06:29,901 INFO L374 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2022-07-23 15:06:29,901 INFO L287 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-23 15:06:29,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2022-07-23 15:06:29,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:29,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:29,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:29,902 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:29,902 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 15:06:29,902 INFO L752 eck$LassoCheckResult]: Stem: 970#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 971#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 975#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 976#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 977#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 978#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 990#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 979#L17-4 main_~j~0#1 := 1; 980#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 986#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 973#L22-1 assume !main_#t~short10#1; 974#L22-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 989#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 966#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 967#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 962#L22-5 [2022-07-23 15:06:29,902 INFO L754 eck$LassoCheckResult]: Loop: 962#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 963#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 972#L22-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 987#L23 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 984#L23-2 main_~i~0#1 := main_~i~0#1 - 1; 962#L22-5 [2022-07-23 15:06:29,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash -531020578, now seen corresponding path program 1 times [2022-07-23 15:06:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:29,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188333660] [2022-07-23 15:06:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-23 15:06:29,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:29,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188333660] [2022-07-23 15:06:29,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188333660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:06:29,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:06:29,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:06:29,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759372132] [2022-07-23 15:06:29,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:06:29,954 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:06:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 2 times [2022-07-23 15:06:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:29,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110780038] [2022-07-23 15:06:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:29,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:29,959 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:29,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:30,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:30,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:06:30,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:06:30,037 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. cyclomatic complexity: 17 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) [2022-07-23 15:06:30,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:30,081 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-07-23 15:06:30,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:06:30,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2022-07-23 15:06:30,084 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:30,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 59 transitions. [2022-07-23 15:06:30,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-23 15:06:30,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-23 15:06:30,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 59 transitions. [2022-07-23 15:06:30,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:30,087 INFO L369 hiAutomatonCegarLoop]: Abstraction has 45 states and 59 transitions. [2022-07-23 15:06:30,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 59 transitions. [2022-07-23 15:06:30,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2022-07-23 15:06:30,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 36 states have internal predecessors, (50), 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) [2022-07-23 15:06:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2022-07-23 15:06:30,092 INFO L392 hiAutomatonCegarLoop]: Abstraction has 37 states and 50 transitions. [2022-07-23 15:06:30,092 INFO L374 stractBuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2022-07-23 15:06:30,092 INFO L287 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-23 15:06:30,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 50 transitions. [2022-07-23 15:06:30,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:30,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:30,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:30,093 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:30,093 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 15:06:30,093 INFO L752 eck$LassoCheckResult]: Stem: 1062#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 1063#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 1064#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1065#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1066#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1067#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1072#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1070#L17-4 main_~j~0#1 := 1; 1071#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1053#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1055#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1079#L22-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1080#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1056#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1057#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1051#L22-5 [2022-07-23 15:06:30,093 INFO L754 eck$LassoCheckResult]: Loop: 1051#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1052#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1058#L22-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1077#L23 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 1074#L23-2 main_~i~0#1 := main_~i~0#1 - 1; 1051#L22-5 [2022-07-23 15:06:30,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:30,094 INFO L85 PathProgramCache]: Analyzing trace with hash -532867620, now seen corresponding path program 3 times [2022-07-23 15:06:30,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:30,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144944616] [2022-07-23 15:06:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:30,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:30,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:06:30,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144944616] [2022-07-23 15:06:30,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144944616] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 15:06:30,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950085376] [2022-07-23 15:06:30,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 15:06:30,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 15:06:30,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:30,400 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) [2022-07-23 15:06:30,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2022-07-23 15:06:30,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-23 15:06:30,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 15:06:30,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-23 15:06:30,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:30,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 15:06:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:30,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950085376] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 15:06:30,680 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 15:06:30,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2022-07-23 15:06:30,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163379202] [2022-07-23 15:06:30,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 15:06:30,680 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:06:30,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:30,681 INFO L85 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 3 times [2022-07-23 15:06:30,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:30,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107843093] [2022-07-23 15:06:30,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:30,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:30,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:30,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:30,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:06:30,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-23 15:06:30,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-07-23 15:06:30,762 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. cyclomatic complexity: 18 Second operand has 19 states, 18 states have (on average 2.388888888888889) internal successors, (43), 19 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) [2022-07-23 15:06:31,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:06:31,093 INFO L93 Difference]: Finished difference Result 80 states and 106 transitions. [2022-07-23 15:06:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 15:06:31,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 106 transitions. [2022-07-23 15:06:31,096 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 22 [2022-07-23 15:06:31,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 106 transitions. [2022-07-23 15:06:31,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-07-23 15:06:31,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-07-23 15:06:31,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 106 transitions. [2022-07-23 15:06:31,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:31,097 INFO L369 hiAutomatonCegarLoop]: Abstraction has 80 states and 106 transitions. [2022-07-23 15:06:31,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 106 transitions. [2022-07-23 15:06:31,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 54. [2022-07-23 15:06:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 53 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) [2022-07-23 15:06:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2022-07-23 15:06:31,100 INFO L392 hiAutomatonCegarLoop]: Abstraction has 54 states and 73 transitions. [2022-07-23 15:06:31,100 INFO L374 stractBuchiCegarLoop]: Abstraction has 54 states and 73 transitions. [2022-07-23 15:06:31,100 INFO L287 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-23 15:06:31,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 73 transitions. [2022-07-23 15:06:31,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-07-23 15:06:31,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:31,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:31,101 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:31,101 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 15:06:31,101 INFO L752 eck$LassoCheckResult]: Stem: 1291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 1292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 1297#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1298#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1299#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1300#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1323#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1324#L17-4 main_~j~0#1 := 1; 1327#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1326#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1315#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1314#L22-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1313#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1287#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1288#L19-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1303#L19-4 main_~k~0#1 := 1; 1304#L29-3 [2022-07-23 15:06:31,102 INFO L754 eck$LassoCheckResult]: Loop: 1304#L29-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem13#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem14#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem13#1 <= main_#t~mem14#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1305#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1295#L6-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem13#1;havoc main_#t~mem14#1; 1296#L29-2 main_#t~post12#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1304#L29-3 [2022-07-23 15:06:31,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:31,102 INFO L85 PathProgramCache]: Analyzing trace with hash 660972959, now seen corresponding path program 1 times [2022-07-23 15:06:31,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:31,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033677991] [2022-07-23 15:06:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:31,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:31,114 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:31,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:31,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2931530, now seen corresponding path program 2 times [2022-07-23 15:06:31,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:31,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138502325] [2022-07-23 15:06:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:31,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:31,129 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:31,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:31,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 183132648, now seen corresponding path program 1 times [2022-07-23 15:06:31,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:31,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776438594] [2022-07-23 15:06:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:31,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:31,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:31,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:31,883 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:31,883 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:31,883 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:31,883 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:31,883 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:31,883 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:31,883 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:31,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:31,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration10_Lasso [2022-07-23 15:06:31,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:31,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:31,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:31,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:31,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:31,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:31,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:32,624 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:06:32,624 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:06:32,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,631 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:06:32,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-23 15:06:32,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:32,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:32,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:32,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:32,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,667 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) [2022-07-23 15:06:32,667 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 [2022-07-23 15:06:32,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:32,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:32,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:32,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-07-23 15:06:32,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,692 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) [2022-07-23 15:06:32,692 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 [2022-07-23 15:06:32,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:32,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:32,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:32,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,716 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 [2022-07-23 15:06:32,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,717 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) [2022-07-23 15:06:32,717 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 [2022-07-23 15:06:32,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:06:32,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:06:32,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:06:32,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,742 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 [2022-07-23 15:06:32,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,743 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) [2022-07-23 15:06:32,744 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 [2022-07-23 15:06:32,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:32,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:32,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:32,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,823 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) [2022-07-23 15:06:32,823 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 [2022-07-23 15:06:32,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:32,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:32,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,856 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 [2022-07-23 15:06:32,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,857 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) [2022-07-23 15:06:32,857 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 [2022-07-23 15:06:32,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:32,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:32,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,908 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 [2022-07-23 15:06:32,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,909 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) [2022-07-23 15:06:32,909 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 [2022-07-23 15:06:32,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:32,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:32,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,935 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 [2022-07-23 15:06:32,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,936 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) [2022-07-23 15:06:32,936 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 [2022-07-23 15:06:32,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:32,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:32,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:32,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-07-23 15:06:32,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:32,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:32,964 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) [2022-07-23 15:06:32,964 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 [2022-07-23 15:06:32,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:32,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:32,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:32,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:32,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:32,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:32,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:33,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:33,022 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 [2022-07-23 15:06:33,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:33,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:33,023 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) [2022-07-23 15:06:33,023 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 [2022-07-23 15:06:33,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:33,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:33,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:33,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:33,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:33,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:33,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:33,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:33,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-07-23 15:06:33,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:33,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:33,050 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) [2022-07-23 15:06:33,050 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 [2022-07-23 15:06:33,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:33,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:33,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:33,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:33,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:33,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:33,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:33,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:33,077 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 [2022-07-23 15:06:33,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:33,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:33,078 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) [2022-07-23 15:06:33,079 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 [2022-07-23 15:06:33,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:33,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:33,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:33,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:33,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:33,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:33,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:33,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:06:33,105 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 [2022-07-23 15:06:33,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:33,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:33,106 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) [2022-07-23 15:06:33,107 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 [2022-07-23 15:06:33,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:06:33,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:06:33,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:06:33,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:06:33,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:06:33,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 15:06:33,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 15:06:33,131 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:06:33,161 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-07-23 15:06:33,161 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-07-23 15:06:33,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:33,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:06:33,163 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) [2022-07-23 15:06:33,164 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 [2022-07-23 15:06:33,165 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:06:33,185 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 15:06:33,186 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:06:33,186 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4, ULTIMATE.start_main_~k~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4 - 4*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-07-23 15:06:33,209 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 [2022-07-23 15:06:33,248 INFO L293 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2022-07-23 15:06:33,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:33,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:06:33,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:06:33,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 15:06:33,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:06:33,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:06:33,395 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-23 15:06:33,395 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 25 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) [2022-07-23 15:06:33,424 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 25. 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 58 states and 78 transitions. Complement of second has 5 states. [2022-07-23 15:06:33,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 15:06:33,425 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) [2022-07-23 15:06:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-07-23 15:06:33,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-23 15:06:33,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:33,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 20 letters. Loop has 4 letters. [2022-07-23 15:06:33,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:33,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 16 letters. Loop has 8 letters. [2022-07-23 15:06:33,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:06:33,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 78 transitions. [2022-07-23 15:06:33,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 15:06:33,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 34 states and 46 transitions. [2022-07-23 15:06:33,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-23 15:06:33,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-23 15:06:33,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 46 transitions. [2022-07-23 15:06:33,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 15:06:33,429 INFO L369 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2022-07-23 15:06:33,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 46 transitions. [2022-07-23 15:06:33,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-07-23 15:06:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 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) [2022-07-23 15:06:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2022-07-23 15:06:33,431 INFO L392 hiAutomatonCegarLoop]: Abstraction has 34 states and 46 transitions. [2022-07-23 15:06:33,431 INFO L374 stractBuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2022-07-23 15:06:33,431 INFO L287 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-23 15:06:33,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2022-07-23 15:06:33,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 15:06:33,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:06:33,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:06:33,432 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:06:33,432 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 15:06:33,432 INFO L752 eck$LassoCheckResult]: Stem: 1578#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3); 1579#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0#1 % 4294967296 % 4294967296 else main_~SIZE~0#1 % 4294967296 % 4294967296 - 4294967296));main_~j~0#1 := 0; 1580#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1581#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1582#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1583#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1596#L17-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1595#L17-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1594#L17-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1584#L17-4 main_~j~0#1 := 1; 1585#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1592#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1576#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1577#L22-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1593#L22-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1569#L19-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1570#L19-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1571#L22-5 [2022-07-23 15:06:33,432 INFO L754 eck$LassoCheckResult]: Loop: 1571#L22-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1572#L22-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1575#L22-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1588#L23 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 1586#L23-2 main_~i~0#1 := main_~i~0#1 - 1; 1571#L22-5 [2022-07-23 15:06:33,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:33,433 INFO L85 PathProgramCache]: Analyzing trace with hash -610476902, now seen corresponding path program 4 times [2022-07-23 15:06:33,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:33,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153036369] [2022-07-23 15:06:33,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:33,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:33,446 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:33,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:33,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:33,459 INFO L85 PathProgramCache]: Analyzing trace with hash 56404392, now seen corresponding path program 4 times [2022-07-23 15:06:33,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:33,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561187093] [2022-07-23 15:06:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:33,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:33,462 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:33,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:33,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:06:33,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2021573807, now seen corresponding path program 1 times [2022-07-23 15:06:33,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:06:33,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278007726] [2022-07-23 15:06:33,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:06:33,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:06:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:33,479 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:06:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:06:33,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:06:34,393 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:06:34,393 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:06:34,393 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:06:34,393 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:06:34,393 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:06:34,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:06:34,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:06:34,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:06:34,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1.c_Iteration11_Lasso [2022-07-23 15:06:34,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:06:34,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:06:34,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:34,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:34,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:06:34,826 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:111) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 15:06:34,832 INFO L158 Benchmark]: Toolchain (without parser) took 15212.75ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 57.2MB in the beginning and 66.4MB in the end (delta: -9.2MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2022-07-23 15:06:34,832 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:06:34,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.94ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 95.6MB in the end (delta: -38.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:06:34,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.53ms. Allocated memory is still 119.5MB. Free memory was 95.6MB in the beginning and 93.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:06:34,833 INFO L158 Benchmark]: Boogie Preprocessor took 47.93ms. Allocated memory is still 119.5MB. Free memory was 93.7MB in the beginning and 92.8MB in the end (delta: 849.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:06:34,833 INFO L158 Benchmark]: RCFGBuilder took 255.88ms. Allocated memory is still 119.5MB. Free memory was 92.8MB in the beginning and 81.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 15:06:34,833 INFO L158 Benchmark]: BuchiAutomizer took 14667.30ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 81.1MB in the beginning and 66.4MB in the end (delta: 14.7MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-07-23 15:06:34,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.94ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 95.6MB in the end (delta: -38.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.53ms. Allocated memory is still 119.5MB. Free memory was 95.6MB in the beginning and 93.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.93ms. Allocated memory is still 119.5MB. Free memory was 93.7MB in the beginning and 92.8MB in the end (delta: 849.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.88ms. Allocated memory is still 119.5MB. Free memory was 92.8MB in the beginning and 81.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 14667.30ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 81.1MB in the beginning and 66.4MB in the end (delta: 14.7MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-23 15:06:34,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2022-07-23 15:06:35,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2022-07-23 15:06:35,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-07-23 15:06:35,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null