./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:32:39,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:32:39,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:32:39,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:32:39,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:32:39,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:32:39,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:32:39,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:32:39,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:32:39,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:32:39,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:32:39,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:32:39,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:32:39,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:32:39,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:32:39,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:32:39,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:32:39,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:32:39,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:32:39,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:32:39,496 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:32:39,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:32:39,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:32:39,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:32:39,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:32:39,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:32:39,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:32:39,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:32:39,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:32:39,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:32:39,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:32:39,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:32:39,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:32:39,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:32:39,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:32:39,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:32:39,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:32:39,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:32:39,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:32:39,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:32:39,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:32:39,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:32:39,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:32:39,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:32:39,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:32:39,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:32:39,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:32:39,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:32:39,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:32:39,543 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:32:39,543 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:32:39,543 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:32:39,544 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:32:39,544 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:32:39,544 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:32:39,544 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:32:39,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:32:39,545 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:32:39,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:32:39,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:32:39,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:32:39,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:32:39,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:32:39,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:32:39,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:32:39,547 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:32:39,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:32:39,547 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:32:39,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:32:39,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:32:39,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:32:39,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:32:39,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:32:39,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:32:39,549 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:32:39,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2022-07-14 16:32:39,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:32:39,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:32:39,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:32:39,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:32:39,761 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:32:39,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-07-14 16:32:39,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbfc7c86/52058ea6643d4b54aeb63bf55792e425/FLAGd017027d5 [2022-07-14 16:32:40,215 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:32:40,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-07-14 16:32:40,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbfc7c86/52058ea6643d4b54aeb63bf55792e425/FLAGd017027d5 [2022-07-14 16:32:40,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbfc7c86/52058ea6643d4b54aeb63bf55792e425 [2022-07-14 16:32:40,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:32:40,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:32:40,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:32:40,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:32:40,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:32:40,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a53ad86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40, skipping insertion in model container [2022-07-14 16:32:40,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:32:40,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:32:40,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:32:40,517 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:32:40,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:32:40,578 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:32:40,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40 WrapperNode [2022-07-14 16:32:40,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:32:40,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:32:40,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:32:40,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:32:40,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,614 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-07-14 16:32:40,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:32:40,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:32:40,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:32:40,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:32:40,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:32:40,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:32:40,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:32:40,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:32:40,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (1/1) ... [2022-07-14 16:32:40,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:40,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:40,662 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) [2022-07-14 16:32:40,670 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 [2022-07-14 16:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 16:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 16:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 16:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 16:32:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:32:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:32:40,749 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:32:40,750 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:32:40,903 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:32:40,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:32:40,916 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 16:32:40,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:32:40 BoogieIcfgContainer [2022-07-14 16:32:40,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:32:40,919 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:32:40,919 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:32:40,921 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:32:40,922 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:32:40,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:32:40" (1/3) ... [2022-07-14 16:32:40,923 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22172a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:32:40, skipping insertion in model container [2022-07-14 16:32:40,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:32:40,923 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:32:40" (2/3) ... [2022-07-14 16:32:40,923 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22172a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:32:40, skipping insertion in model container [2022-07-14 16:32:40,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:32:40,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:32:40" (3/3) ... [2022-07-14 16:32:40,937 INFO L354 chiAutomizerObserver]: Analyzing ICFG cstrncmp-alloca-1.i [2022-07-14 16:32:40,983 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:32:40,983 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:32:40,983 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:32:40,983 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:32:40,983 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:32:40,984 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:32:40,984 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:32:40,984 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:32:40,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:41,005 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-14 16:32:41,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:32:41,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:32:41,009 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 16:32:41,010 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:32:41,010 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:32:41,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:41,011 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-14 16:32:41,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:32:41,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:32:41,012 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 16:32:41,012 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:32:41,017 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 9#L532true assume !(main_~length1~0#1 < 1); 5#L532-2true assume !(main_~length2~0#1 < 1); 2#L535-1true call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 21#L541-3true [2022-07-14 16:32:41,020 INFO L754 eck$LassoCheckResult]: Loop: 21#L541-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 24#L541-2true main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 21#L541-3true [2022-07-14 16:32:41,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-14 16:32:41,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:41,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312808639] [2022-07-14 16:32:41,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:41,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:41,143 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:41,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:41,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:41,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-07-14 16:32:41,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:41,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722186456] [2022-07-14 16:32:41,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:41,196 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:41,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:41,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:41,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-07-14 16:32:41,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:41,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055370754] [2022-07-14 16:32:41,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:41,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:41,222 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:41,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:41,503 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:32:41,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:32:41,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:32:41,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:32:41,504 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:32:41,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:41,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:32:41,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:32:41,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration1_Lasso [2022-07-14 16:32:41,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:32:41,505 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:32:41,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:41,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:32:41,954 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:32:41,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:41,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:41,958 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) [2022-07-14 16:32:41,960 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 [2022-07-14 16:32:41,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:41,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:41,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:41,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:41,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:41,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:41,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:41,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:41,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,024 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) [2022-07-14 16:32:42,025 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 [2022-07-14 16:32:42,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:42,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:42,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:42,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,054 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 [2022-07-14 16:32:42,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,055 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) [2022-07-14 16:32:42,056 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 [2022-07-14 16:32:42,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:42,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:42,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:42,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-14 16:32:42,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,093 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) [2022-07-14 16:32:42,093 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 [2022-07-14 16:32:42,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:42,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:42,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,132 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 [2022-07-14 16:32:42,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,133 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) [2022-07-14 16:32:42,149 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 [2022-07-14 16:32:42,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:42,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:42,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:42,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,194 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 [2022-07-14 16:32:42,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,199 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) [2022-07-14 16:32:42,201 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 [2022-07-14 16:32:42,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:42,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:42,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-14 16:32:42,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,241 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) [2022-07-14 16:32:42,242 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 [2022-07-14 16:32:42,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:42,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:42,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:42,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,279 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 [2022-07-14 16:32:42,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,280 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) [2022-07-14 16:32:42,281 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 [2022-07-14 16:32:42,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:42,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:42,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:42,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,329 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) [2022-07-14 16:32:42,329 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 [2022-07-14 16:32:42,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:42,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:42,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,366 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 [2022-07-14 16:32:42,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,367 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) [2022-07-14 16:32:42,368 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 [2022-07-14 16:32:42,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:42,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:42,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:42,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:42,392 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 [2022-07-14 16:32:42,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,394 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) [2022-07-14 16:32:42,394 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 [2022-07-14 16:32:42,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:42,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:42,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:42,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:42,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:42,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:42,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:42,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:32:42,471 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-07-14 16:32:42,471 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-07-14 16:32:42,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:42,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:42,507 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) [2022-07-14 16:32:42,543 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 [2022-07-14 16:32:42,544 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:32:42,553 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:32:42,553 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:32:42,554 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-07-14 16:32:42,574 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 [2022-07-14 16:32:42,586 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-14 16:32:42,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:42,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:32:42,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:32:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:42,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 16:32:42,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:32:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:32:42,684 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 [2022-07-14 16:32:42,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:42,716 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 91 transitions. Complement of second has 7 states. [2022-07-14 16:32:42,717 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 [2022-07-14 16:32:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2022-07-14 16:32:42,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-14 16:32:42,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:42,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-14 16:32:42,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:42,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-14 16:32:42,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:42,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 91 transitions. [2022-07-14 16:32:42,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-14 16:32:42,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 18 states and 25 transitions. [2022-07-14 16:32:42,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-14 16:32:42,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-07-14 16:32:42,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-07-14 16:32:42,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:32:42,732 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-07-14 16:32:42,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-07-14 16:32:42,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-07-14 16:32:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-07-14 16:32:42,748 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-07-14 16:32:42,749 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-07-14 16:32:42,749 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:32:42,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-07-14 16:32:42,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-14 16:32:42,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:32:42,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:32:42,750 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:32:42,750 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:32:42,750 INFO L752 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 166#L532 assume !(main_~length1~0#1 < 1); 160#L532-2 assume !(main_~length2~0#1 < 1); 156#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 157#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 167#L541-4 main_~i~1#1 := 0; 163#L546-3 [2022-07-14 16:32:42,750 INFO L754 eck$LassoCheckResult]: Loop: 163#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet20#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet20#1; 165#L546-2 main_#t~post19#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 163#L546-3 [2022-07-14 16:32:42,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:42,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-07-14 16:32:42,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:42,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116863516] [2022-07-14 16:32:42,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:42,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:42,761 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:42,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:42,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:42,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-07-14 16:32:42,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:42,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964851991] [2022-07-14 16:32:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:42,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:42,786 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:42,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-07-14 16:32:42,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:42,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349347761] [2022-07-14 16:32:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:42,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:42,801 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:42,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:42,873 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 [2022-07-14 16:32:43,063 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:32:43,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:32:43,064 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:32:43,064 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:32:43,064 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:32:43,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,064 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:32:43,064 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:32:43,064 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration2_Lasso [2022-07-14 16:32:43,064 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:32:43,064 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:32:43,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:43,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:32:43,435 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:32:43,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,440 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:32:43,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-14 16:32:43,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:43,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:43,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:43,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:43,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,499 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) [2022-07-14 16:32:43,500 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 [2022-07-14 16:32:43,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:43,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:43,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,547 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 [2022-07-14 16:32:43,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,549 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) [2022-07-14 16:32:43,551 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 [2022-07-14 16:32:43,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:43,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:43,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:43,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,583 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 [2022-07-14 16:32:43,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,584 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) [2022-07-14 16:32:43,585 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 [2022-07-14 16:32:43,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:43,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:43,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:43,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,611 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 [2022-07-14 16:32:43,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,613 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) [2022-07-14 16:32:43,613 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 [2022-07-14 16:32:43,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:43,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:43,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-14 16:32:43,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,653 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) [2022-07-14 16:32:43,689 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 [2022-07-14 16:32:43,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:43,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:43,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,748 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 [2022-07-14 16:32:43,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,754 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) [2022-07-14 16:32:43,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:43,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:43,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:43,771 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 [2022-07-14 16:32:43,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,798 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 [2022-07-14 16:32:43,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,799 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) [2022-07-14 16:32:43,805 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 [2022-07-14 16:32:43,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:43,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:43,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:43,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,846 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 [2022-07-14 16:32:43,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,852 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) [2022-07-14 16:32:43,854 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 [2022-07-14 16:32:43,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:43,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:43,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:43,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:43,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,895 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) [2022-07-14 16:32:43,896 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 [2022-07-14 16:32:43,897 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 [2022-07-14 16:32:43,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:43,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:43,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,946 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) [2022-07-14 16:32:43,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:43,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:43,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:43,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:43,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:43,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:43,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:43,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:43,959 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 [2022-07-14 16:32:43,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:43,993 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 [2022-07-14 16:32:43,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:43,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:43,995 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) [2022-07-14 16:32:43,996 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 [2022-07-14 16:32:43,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:44,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:44,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:44,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,039 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) [2022-07-14 16:32:44,040 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 [2022-07-14 16:32:44,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,084 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 [2022-07-14 16:32:44,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,096 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) [2022-07-14 16:32:44,097 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 [2022-07-14 16:32:44,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:44,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,148 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) [2022-07-14 16:32:44,150 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 [2022-07-14 16:32:44,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:44,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:44,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:44,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,187 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 [2022-07-14 16:32:44,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,188 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) [2022-07-14 16:32:44,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,196 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 [2022-07-14 16:32:44,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-14 16:32:44,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,236 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) [2022-07-14 16:32:44,237 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 [2022-07-14 16:32:44,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,287 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 [2022-07-14 16:32:44,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,288 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) [2022-07-14 16:32:44,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,312 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 [2022-07-14 16:32:44,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,345 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 [2022-07-14 16:32:44,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,347 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) [2022-07-14 16:32:44,348 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 [2022-07-14 16:32:44,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-14 16:32:44,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,392 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) [2022-07-14 16:32:44,393 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 [2022-07-14 16:32:44,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:44,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:44,424 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 [2022-07-14 16:32:44,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,426 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) [2022-07-14 16:32:44,427 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 [2022-07-14 16:32:44,428 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 [2022-07-14 16:32:44,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:44,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:44,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:44,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:44,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:44,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:44,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:32:44,471 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-14 16:32:44,472 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-14 16:32:44,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:44,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:44,478 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) [2022-07-14 16:32:44,479 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 [2022-07-14 16:32:44,480 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:32:44,508 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:32:44,508 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:32:44,508 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2022-07-14 16:32:44,528 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 [2022-07-14 16:32:44,541 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-14 16:32:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:44,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:32:44,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:32:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:44,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 16:32:44,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:32:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:32:44,603 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 [2022-07-14 16:32:44,603 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:44,632 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 40 transitions. Complement of second has 6 states. [2022-07-14 16:32:44,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:32:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-07-14 16:32:44,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-14 16:32:44,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:44,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-14 16:32:44,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:44,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-14 16:32:44,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:44,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2022-07-14 16:32:44,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:44,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 27 transitions. [2022-07-14 16:32:44,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-14 16:32:44,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-14 16:32:44,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2022-07-14 16:32:44,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:32:44,644 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2022-07-14 16:32:44,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2022-07-14 16:32:44,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-14 16:32:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2022-07-14 16:32:44,647 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2022-07-14 16:32:44,647 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2022-07-14 16:32:44,647 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 16:32:44,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2022-07-14 16:32:44,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:44,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:32:44,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:32:44,649 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:32:44,649 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:32:44,650 INFO L752 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 286#L532 assume !(main_~length1~0#1 < 1); 279#L532-2 assume !(main_~length2~0#1 < 1); 275#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 276#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 290#L541-4 main_~i~1#1 := 0; 282#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 283#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 287#L517 assume !(0 == cstrncmp_~n#1); 280#L519-5 [2022-07-14 16:32:44,650 INFO L754 eck$LassoCheckResult]: Loop: 280#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 281#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 291#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 288#L520 assume cstrncmp_#t~short7#1; 289#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 280#L519-5 [2022-07-14 16:32:44,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:44,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2022-07-14 16:32:44,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:44,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349279447] [2022-07-14 16:32:44,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:44,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:44,683 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:44,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:44,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:44,704 INFO L85 PathProgramCache]: Analyzing trace with hash 79307716, now seen corresponding path program 1 times [2022-07-14 16:32:44,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:44,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938937180] [2022-07-14 16:32:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:44,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:32:44,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:32:44,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938937180] [2022-07-14 16:32:44,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938937180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:32:44,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:32:44,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 16:32:44,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178084208] [2022-07-14 16:32:44,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:32:44,728 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 16:32:44,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:32:44,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 16:32:44,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 16:32:44,730 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:32:44,738 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2022-07-14 16:32:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 16:32:44,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2022-07-14 16:32:44,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:44,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 26 transitions. [2022-07-14 16:32:44,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-14 16:32:44,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-14 16:32:44,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2022-07-14 16:32:44,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:32:44,744 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-14 16:32:44,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2022-07-14 16:32:44,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-14 16:32:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2022-07-14 16:32:44,746 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-14 16:32:44,747 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-14 16:32:44,747 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 16:32:44,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2022-07-14 16:32:44,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:44,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:32:44,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:32:44,748 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:32:44,748 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:32:44,749 INFO L752 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 331#L532 assume !(main_~length1~0#1 < 1); 324#L532-2 assume !(main_~length2~0#1 < 1); 320#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 321#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 332#L541-4 main_~i~1#1 := 0; 327#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 328#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 333#L517 assume !(0 == cstrncmp_~n#1); 325#L519-5 [2022-07-14 16:32:44,750 INFO L754 eck$LassoCheckResult]: Loop: 325#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 326#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 336#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 334#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 335#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 325#L519-5 [2022-07-14 16:32:44,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:44,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 2 times [2022-07-14 16:32:44,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:44,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135450785] [2022-07-14 16:32:44,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:44,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:44,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:44,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:44,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:44,793 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 1 times [2022-07-14 16:32:44,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423917808] [2022-07-14 16:32:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:44,799 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:44,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:44,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1988601847, now seen corresponding path program 1 times [2022-07-14 16:32:44,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:44,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537558942] [2022-07-14 16:32:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:44,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:44,848 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 [2022-07-14 16:32:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:32:44,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:32:44,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537558942] [2022-07-14 16:32:44,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537558942] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:32:44,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:32:44,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 16:32:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101762311] [2022-07-14 16:32:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:32:45,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:32:45,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 16:32:45,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 16:32:45,102 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:45,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:32:45,151 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2022-07-14 16:32:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 16:32:45,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2022-07-14 16:32:45,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:45,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2022-07-14 16:32:45,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-14 16:32:45,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-14 16:32:45,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-07-14 16:32:45,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:32:45,153 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-14 16:32:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-07-14 16:32:45,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-14 16:32:45,154 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) [2022-07-14 16:32:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-07-14 16:32:45,155 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-14 16:32:45,155 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-14 16:32:45,155 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-14 16:32:45,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-07-14 16:32:45,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:45,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:32:45,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:32:45,156 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:32:45,156 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:32:45,156 INFO L752 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 397#L532 assume !(main_~length1~0#1 < 1); 390#L532-2 assume !(main_~length2~0#1 < 1); 386#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 387#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 403#L541-2 main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 404#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 400#L541-4 main_~i~1#1 := 0; 393#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 394#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 401#L517 assume !(0 == cstrncmp_~n#1); 391#L519-5 [2022-07-14 16:32:45,156 INFO L754 eck$LassoCheckResult]: Loop: 391#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 392#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 402#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 398#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 399#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 391#L519-5 [2022-07-14 16:32:45,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:45,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2022-07-14 16:32:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:45,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968626650] [2022-07-14 16:32:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:45,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,189 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:45,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:45,201 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 2 times [2022-07-14 16:32:45,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:45,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441626383] [2022-07-14 16:32:45,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,208 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:45,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:45,214 INFO L85 PathProgramCache]: Analyzing trace with hash -350531861, now seen corresponding path program 1 times [2022-07-14 16:32:45,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:45,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974972277] [2022-07-14 16:32:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:45,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-14 16:32:45,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:32:45,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974972277] [2022-07-14 16:32:45,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974972277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:32:45,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:32:45,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 16:32:45,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865835707] [2022-07-14 16:32:45,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:32:45,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:32:45,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 16:32:45,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-14 16:32:45,495 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:32:45,604 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-07-14 16:32:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 16:32:45,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-07-14 16:32:45,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:45,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 24 transitions. [2022-07-14 16:32:45,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-14 16:32:45,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-14 16:32:45,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-07-14 16:32:45,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:32:45,606 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-07-14 16:32:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-07-14 16:32:45,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-14 16:32:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-07-14 16:32:45,607 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-07-14 16:32:45,607 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-07-14 16:32:45,607 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-14 16:32:45,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-07-14 16:32:45,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:32:45,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:32:45,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:32:45,608 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:32:45,608 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:32:45,608 INFO L752 eck$LassoCheckResult]: Stem: 468#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 477#L532 assume !(main_~length1~0#1 < 1); 470#L532-2 assume !(main_~length2~0#1 < 1); 466#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 467#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 483#L541-2 main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 484#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 480#L541-4 main_~i~1#1 := 0; 473#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet20#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet20#1; 474#L546-2 main_#t~post19#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 475#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 476#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 481#L517 assume !(0 == cstrncmp_~n#1); 471#L519-5 [2022-07-14 16:32:45,608 INFO L754 eck$LassoCheckResult]: Loop: 471#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 472#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 482#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 478#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 479#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 471#L519-5 [2022-07-14 16:32:45,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:45,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2022-07-14 16:32:45,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:45,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641129053] [2022-07-14 16:32:45,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:45,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,631 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:45,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:45,639 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 3 times [2022-07-14 16:32:45,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:45,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64865608] [2022-07-14 16:32:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,652 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:45,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:45,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1018233459, now seen corresponding path program 1 times [2022-07-14 16:32:45,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:32:45,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335815056] [2022-07-14 16:32:45,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:32:45,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:32:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,688 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:32:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:32:45,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:32:46,457 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:32:46,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:32:46,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:32:46,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:32:46,458 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:32:46,458 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:46,458 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:32:46,458 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:32:46,458 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration6_Lasso [2022-07-14 16:32:46,458 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:32:46,458 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:32:46,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:46,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:47,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:47,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:32:47,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:32:47,465 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:32:47,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,466 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) [2022-07-14 16:32:47,467 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 [2022-07-14 16:32:47,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-14 16:32:47,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,491 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) [2022-07-14 16:32:47,492 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 [2022-07-14 16:32:47,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,517 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 [2022-07-14 16:32:47,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,518 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) [2022-07-14 16:32:47,519 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 [2022-07-14 16:32:47,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-14 16:32:47,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,544 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) [2022-07-14 16:32:47,545 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 [2022-07-14 16:32:47,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,568 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 [2022-07-14 16:32:47,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,569 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) [2022-07-14 16:32:47,570 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 [2022-07-14 16:32:47,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,593 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 [2022-07-14 16:32:47,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,595 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) [2022-07-14 16:32:47,607 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 [2022-07-14 16:32:47,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:47,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,633 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) [2022-07-14 16:32:47,633 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 [2022-07-14 16:32:47,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:47,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:47,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-14 16:32:47,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,661 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) [2022-07-14 16:32:47,668 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 [2022-07-14 16:32:47,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:47,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,692 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) [2022-07-14 16:32:47,693 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 [2022-07-14 16:32:47,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,748 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 [2022-07-14 16:32:47,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,749 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) [2022-07-14 16:32:47,754 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 [2022-07-14 16:32:47,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,778 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 [2022-07-14 16:32:47,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,780 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) [2022-07-14 16:32:47,780 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 [2022-07-14 16:32:47,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:47,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:47,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,805 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 [2022-07-14 16:32:47,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,807 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) [2022-07-14 16:32:47,808 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 [2022-07-14 16:32:47,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:47,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,840 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) [2022-07-14 16:32:47,841 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 [2022-07-14 16:32:47,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-14 16:32:47,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,866 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) [2022-07-14 16:32:47,866 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 [2022-07-14 16:32:47,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,891 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 [2022-07-14 16:32:47,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,892 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) [2022-07-14 16:32:47,893 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 [2022-07-14 16:32:47,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:47,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,917 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) [2022-07-14 16:32:47,917 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 [2022-07-14 16:32:47,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:47,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:47,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:47,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,944 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) [2022-07-14 16:32:47,945 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 [2022-07-14 16:32:47,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-14 16:32:47,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,969 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) [2022-07-14 16:32:47,969 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 [2022-07-14 16:32:47,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:47,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:47,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:47,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:47,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:47,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:47,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:47,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:47,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:47,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:47,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:47,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:47,995 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) [2022-07-14 16:32:47,995 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 [2022-07-14 16:32:47,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:48,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:48,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:48,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-14 16:32:48,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,022 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) [2022-07-14 16:32:48,022 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 [2022-07-14 16:32:48,024 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 [2022-07-14 16:32:48,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:48,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:48,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:48,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,046 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 [2022-07-14 16:32:48,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,047 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) [2022-07-14 16:32:48,047 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 [2022-07-14 16:32:48,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:32:48,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:32:48,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:32:48,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-14 16:32:48,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,084 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) [2022-07-14 16:32:48,085 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 [2022-07-14 16:32:48,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:48,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:48,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,110 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 [2022-07-14 16:32:48,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,111 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) [2022-07-14 16:32:48,112 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 [2022-07-14 16:32:48,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:48,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:48,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:48,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,179 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) [2022-07-14 16:32:48,180 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 [2022-07-14 16:32:48,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:48,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:48,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,219 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 [2022-07-14 16:32:48,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,220 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) [2022-07-14 16:32:48,221 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 [2022-07-14 16:32:48,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:48,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:48,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-14 16:32:48,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,268 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:32:48,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-14 16:32:48,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,282 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 16:32:48,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,287 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-14 16:32:48,287 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 16:32:48,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:32:48,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-14 16:32:48,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,324 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:32:48,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-14 16:32:48,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:32:48,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:32:48,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:32:48,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:32:48,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:32:48,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:32:48,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:32:48,363 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:32:48,443 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-07-14 16:32:48,443 INFO L444 ModelExtractionUtils]: 7 out of 49 variables were initially zero. Simplification set additionally 39 variables to zero. [2022-07-14 16:32:48,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:32:48,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:32:48,444 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) [2022-07-14 16:32:48,445 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 [2022-07-14 16:32:48,446 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:32:48,459 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:32:48,460 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:32:48,460 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_3, ULTIMATE.start_cstrncmp_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_3 - 1*ULTIMATE.start_cstrncmp_~s1#1.offset Supporting invariants [] [2022-07-14 16:32:48,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-07-14 16:32:48,535 INFO L293 tatePredicateManager]: 20 out of 22 supporting invariants were superfluous and have been removed [2022-07-14 16:32:48,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:32:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:48,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-14 16:32:48,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:32:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:32:48,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 16:32:48,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:32:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:32:48,699 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-07-14 16:32:48,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:48,750 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 [2022-07-14 16:32:48,779 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 8 states. [2022-07-14 16:32:48,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:32:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:32:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2022-07-14 16:32:48,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 5 letters. [2022-07-14 16:32:48,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:48,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 19 letters. Loop has 5 letters. [2022-07-14 16:32:48,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:48,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 10 letters. [2022-07-14 16:32:48,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:32:48,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-07-14 16:32:48,784 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:32:48,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-07-14 16:32:48,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 16:32:48,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 16:32:48,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 16:32:48,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:32:48,784 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:32:48,784 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:32:48,784 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:32:48,784 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-14 16:32:48,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 16:32:48,784 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:32:48,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 16:32:48,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 04:32:48 BoogieIcfgContainer [2022-07-14 16:32:48,790 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 16:32:48,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 16:32:48,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 16:32:48,791 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 16:32:48,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:32:40" (3/4) ... [2022-07-14 16:32:48,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 16:32:48,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 16:32:48,795 INFO L158 Benchmark]: Toolchain (without parser) took 8554.27ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 48.7MB in the beginning and 113.4MB in the end (delta: -64.7MB). Peak memory consumption was 476.6kB. Max. memory is 16.1GB. [2022-07-14 16:32:48,795 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:32:48,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.04ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 48.5MB in the beginning and 70.1MB in the end (delta: -21.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-07-14 16:32:48,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.71ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:32:48,796 INFO L158 Benchmark]: Boogie Preprocessor took 17.65ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 66.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:32:48,796 INFO L158 Benchmark]: RCFGBuilder took 285.11ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 54.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-14 16:32:48,796 INFO L158 Benchmark]: BuchiAutomizer took 7871.79ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 54.0MB in the beginning and 113.4MB in the end (delta: -59.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:32:48,796 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 151.0MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:32:48,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.04ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 48.5MB in the beginning and 70.1MB in the end (delta: -21.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.71ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.65ms. Allocated memory is still 100.7MB. Free memory was 68.0MB in the beginning and 66.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.11ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 54.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7871.79ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 54.0MB in the beginning and 113.4MB in the end (delta: -59.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 151.0MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * nondetString2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 7.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 306 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 112 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax111 hnf100 lsp82 ukn75 mio100 lsp48 div100 bol100 ite100 ukn100 eq178 hnf90 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 6 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 16:32:48,821 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 Writing output log to file Ultimate.log Result: TRUE