./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/subseq-alloca-2.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/subseq-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 332083c9703e7f789c3b57b3574f68dffe1c5555ad9f8a0d56f0eaba0a86f436 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:34:00,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:34:00,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:34:00,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:34:00,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:34:00,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:34:00,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:34:00,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:34:00,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:34:00,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:34:00,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:34:00,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:34:00,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:34:00,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:34:00,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:34:00,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:34:00,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:34:00,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:34:00,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:34:00,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:34:00,623 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:34:00,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:34:00,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:34:00,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:34:00,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:34:00,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:34:00,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:34:00,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:34:00,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:34:00,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:34:00,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:34:00,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:34:00,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:34:00,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:34:00,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:34:00,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:34:00,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:34:00,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:34:00,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:34:00,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:34:00,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:34:00,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:34:00,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:34:00,665 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:34:00,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:34:00,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:34:00,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:34:00,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:34:00,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:34:00,667 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:34:00,667 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:34:00,667 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:34:00,668 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:34:00,668 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:34:00,668 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:34:00,668 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:34:00,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:34:00,669 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:34:00,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:34:00,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:34:00,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:34:00,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:34:00,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:34:00,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:34:00,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:34:00,670 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:34:00,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:34:00,670 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:34:00,670 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:34:00,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:34:00,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:34:00,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:34:00,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:34:00,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:34:00,672 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:34:00,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332083c9703e7f789c3b57b3574f68dffe1c5555ad9f8a0d56f0eaba0a86f436 [2022-07-14 16:34:00,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:34:00,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:34:00,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:34:00,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:34:00,877 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:34:00,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2022-07-14 16:34:00,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72dabd129/0656020082a648d6893ed5e9dbef7f11/FLAG0fa9cee14 [2022-07-14 16:34:01,282 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:34:01,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/subseq-alloca-2.i [2022-07-14 16:34:01,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72dabd129/0656020082a648d6893ed5e9dbef7f11/FLAG0fa9cee14 [2022-07-14 16:34:01,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72dabd129/0656020082a648d6893ed5e9dbef7f11 [2022-07-14 16:34:01,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:34:01,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:34:01,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:34:01,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:34:01,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:34:01,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:34:01" (1/1) ... [2022-07-14 16:34:01,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1687609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:01, skipping insertion in model container [2022-07-14 16:34:01,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:34:01" (1/1) ... [2022-07-14 16:34:01,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:34:01,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:34:01,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:34:02,007 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:34:02,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:34:02,072 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:34:02,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02 WrapperNode [2022-07-14 16:34:02,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:34:02,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:34:02,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:34:02,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:34:02,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,108 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-07-14 16:34:02,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:34:02,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:34:02,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:34:02,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:34:02,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:34:02,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:34:02,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:34:02,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:34:02,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (1/1) ... [2022-07-14 16:34:02,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:02,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:02,171 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 16:34:02,174 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 16:34:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 16:34:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 16:34:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 16:34:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 16:34:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:34:02,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:34:02,258 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:34:02,259 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:34:02,426 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:34:02,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:34:02,431 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 16:34:02,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:34:02 BoogieIcfgContainer [2022-07-14 16:34:02,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:34:02,436 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:34:02,437 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:34:02,440 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:34:02,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:34:02,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:34:01" (1/3) ... [2022-07-14 16:34:02,441 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46abb1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:34:02, skipping insertion in model container [2022-07-14 16:34:02,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:34:02,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:02" (2/3) ... [2022-07-14 16:34:02,442 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46abb1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:34:02, skipping insertion in model container [2022-07-14 16:34:02,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:34:02,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:34:02" (3/3) ... [2022-07-14 16:34:02,443 INFO L354 chiAutomizerObserver]: Analyzing ICFG subseq-alloca-2.i [2022-07-14 16:34:02,478 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:34:02,478 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:34:02,478 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:34:02,478 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:34:02,478 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:34:02,478 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:34:02,478 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:34:02,479 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:34:02,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:02,492 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-14 16:34:02,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:02,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:02,496 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 16:34:02,496 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:34:02,496 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:34:02,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:02,498 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-14 16:34:02,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:02,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:02,499 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 16:34:02,499 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:34:02,504 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 13#L530true assume !(main_~length1~0#1 < 1); 6#L530-2true assume !(main_~length2~0#1 < 1); 15#L533-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 7#L539-3true [2022-07-14 16:34:02,504 INFO L754 eck$LassoCheckResult]: Loop: 7#L539-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 18#L539-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 7#L539-3true [2022-07-14 16:34:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:02,508 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-14 16:34:02,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:02,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670062501] [2022-07-14 16:34:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:02,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:02,605 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:02,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:02,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:02,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-07-14 16:34:02,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:02,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47808277] [2022-07-14 16:34:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:02,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:02,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:02,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:02,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-07-14 16:34:02,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:02,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785825880] [2022-07-14 16:34:02,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:02,673 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:02,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:02,931 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:34:02,932 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:34:02,932 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:34:02,932 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:34:02,932 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:34:02,933 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:02,933 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:34:02,933 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:34:02,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration1_Lasso [2022-07-14 16:34:02,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:34:02,933 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:34:02,949 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 16:34:02,953 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 16:34:02,958 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 16:34:02,960 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 16:34:02,962 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 16:34:02,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:34:02,966 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 16:34:02,969 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 16:34:03,104 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 16:34:03,106 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 16:34:03,108 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 16:34:03,110 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 16:34:03,112 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 16:34:03,115 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 16:34:03,117 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 16:34:03,320 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:34:03,322 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:34:03,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,328 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 16:34:03,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:03,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:03,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:03,361 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 16:34:03,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,390 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 16:34:03,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,400 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 16:34:03,401 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 16:34:03,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:34:03,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:03,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:03,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,454 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 16:34:03,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,456 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 16:34:03,456 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 16:34:03,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:03,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:03,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:03,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:03,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,517 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 16:34:03,518 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 16:34:03,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:03,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:03,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:03,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,556 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 16:34:03,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,557 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 16:34:03,558 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 16:34:03,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:03,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:03,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:03,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,597 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 16:34:03,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,601 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 16:34:03,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:03,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:03,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:03,621 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 16:34:03,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:03,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,651 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 16:34:03,653 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 16:34:03,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:03,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:03,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,697 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 16:34:03,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,698 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 16:34:03,699 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 16:34:03,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:03,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:03,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,752 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 16:34:03,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,754 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 16:34:03,755 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 16:34:03,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:34:03,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:03,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:03,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:03,796 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 16:34:03,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,798 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 16:34:03,799 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 16:34:03,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:03,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:03,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:03,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:03,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:03,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:03,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:03,824 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:34:03,844 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-07-14 16:34:03,844 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-07-14 16:34:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:03,847 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 16:34:03,848 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 16:34:03,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:34:03,884 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 16:34:03,885 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:34:03,885 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 - 1*ULTIMATE.start_main_~length1~0#1 >= 0] [2022-07-14 16:34:03,903 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 16:34:03,918 INFO L293 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-07-14 16:34:03,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:03,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 16:34:03,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:34:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:03,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 16:34:03,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:34:03,986 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 16:34:04,011 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 16:34:04,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 16:34:04,066 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 51 states and 76 transitions. Complement of second has 8 states. [2022-07-14 16:34:04,068 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 16:34:04,071 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 16:34:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2022-07-14 16:34:04,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-14 16:34:04,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:04,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-14 16:34:04,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:04,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-14 16:34:04,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:04,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 76 transitions. [2022-07-14 16:34:04,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-14 16:34:04,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 17 states and 24 transitions. [2022-07-14 16:34:04,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-14 16:34:04,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-14 16:34:04,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-07-14 16:34:04,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:34:04,102 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-14 16:34:04,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-07-14 16:34:04,115 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 16:34:04,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-07-14 16:34:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-07-14 16:34:04,122 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-14 16:34:04,122 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-14 16:34:04,122 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:34:04,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-07-14 16:34:04,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-14 16:34:04,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:04,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:04,123 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:34:04,123 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:34:04,123 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~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 169#L530 assume !(main_~length1~0#1 < 1); 160#L530-2 assume !(main_~length2~0#1 < 1); 161#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 162#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 163#L539-4 main_~i~1#1 := 0; 155#L545-3 [2022-07-14 16:34:04,124 INFO L754 eck$LassoCheckResult]: Loop: 155#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 157#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 155#L545-3 [2022-07-14 16:34:04,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:04,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-07-14 16:34:04,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:04,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701657385] [2022-07-14 16:34:04,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:04,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:04,133 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:04,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:04,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:04,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-07-14 16:34:04,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:04,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881223542] [2022-07-14 16:34:04,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:04,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:04,146 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:04,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:04,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:04,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-07-14 16:34:04,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:04,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249535113] [2022-07-14 16:34:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:04,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:04,161 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:04,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:04,370 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:34:04,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:34:04,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:34:04,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:34:04,370 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:34:04,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:34:04,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:34:04,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration2_Lasso [2022-07-14 16:34:04,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:34:04,370 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:34:04,372 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 16:34:04,374 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 16:34:04,376 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 16:34:04,377 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 16:34:04,381 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 16:34:04,383 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 16:34:04,384 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 16:34:04,386 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 16:34:04,388 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 16:34:04,389 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 16:34:04,391 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 16:34:04,493 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 16:34:04,494 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 16:34:04,496 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 16:34:04,679 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:34:04,679 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:34:04,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:04,696 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 16:34:04,711 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 16:34:04,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:34:04,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:04,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:04,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:04,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:04,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:04,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:04,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:04,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:04,746 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 16:34:04,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:04,748 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 16:34:04,749 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 16:34:04,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:04,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:04,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:04,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:04,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:04,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:04,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:04,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:04,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:04,807 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 16:34:04,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:04,809 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 16:34:04,810 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 16:34:04,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:04,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:04,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:04,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:04,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:04,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:04,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:04,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:04,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:04,837 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 16:34:04,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:04,852 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 16:34:04,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:04,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:04,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:04,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:04,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:04,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:04,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:04,874 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 16:34:04,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:04,909 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 16:34:04,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:04,911 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 16:34:04,912 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 16:34:04,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:04,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:04,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:04,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:04,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:04,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:04,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:04,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:04,950 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 16:34:04,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:04,952 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 16:34:04,953 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 16:34:04,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:04,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:04,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:04,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:04,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:04,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:04,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:04,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:04,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:04,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:04,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:04,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:04,988 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 16:34:04,995 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 16:34:04,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:05,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:05,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:05,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:05,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:05,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:05,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:05,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:05,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-07-14 16:34:05,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:05,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:05,044 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 16:34:05,047 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 16:34:05,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:05,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:05,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:05,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:05,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:05,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:05,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:05,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:05,080 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 16:34:05,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:05,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:05,081 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 16:34:05,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:05,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:05,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:05,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:05,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:05,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:05,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:05,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:05,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:05,108 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 16:34:05,111 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 16:34:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:05,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:05,113 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 16:34:05,114 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 16:34:05,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:05,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:05,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:05,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:05,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:05,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:05,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:05,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:05,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:05,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-14 16:34:05,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:05,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:05,141 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 16:34:05,142 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 16:34:05,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:05,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:05,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:05,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:05,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:05,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:05,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:05,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:34:05,180 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-14 16:34:05,180 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-07-14 16:34:05,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:05,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:05,181 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 16:34:05,182 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 16:34:05,183 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:34:05,204 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:34:05,204 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:34:05,205 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-07-14 16:34:05,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-14 16:34:05,232 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-14 16:34:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:05,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:34:05,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:34:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:05,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 16:34:05,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:34:05,307 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 16:34:05,308 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 16:34:05,308 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 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 16:34:05,326 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 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 25 states and 38 transitions. Complement of second has 6 states. [2022-07-14 16:34:05,330 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 16:34:05,331 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 16:34:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-07-14 16:34:05,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-14 16:34:05,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:05,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-14 16:34:05,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:05,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-14 16:34:05,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:05,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 38 transitions. [2022-07-14 16:34:05,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:34:05,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 26 transitions. [2022-07-14 16:34:05,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-14 16:34:05,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-14 16:34:05,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-07-14 16:34:05,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:34:05,348 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-07-14 16:34:05,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-07-14 16:34:05,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-07-14 16:34:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 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 16:34:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2022-07-14 16:34:05,349 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-07-14 16:34:05,350 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-07-14 16:34:05,350 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 16:34:05,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2022-07-14 16:34:05,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:34:05,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:05,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:05,351 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:34:05,351 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:34:05,351 INFO L752 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 286#L530 assume !(main_~length1~0#1 < 1); 277#L530-2 assume !(main_~length2~0#1 < 1); 278#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 279#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 280#L539-4 main_~i~1#1 := 0; 271#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 272#L545-4 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_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 283#L518-5 [2022-07-14 16:34:05,351 INFO L754 eck$LassoCheckResult]: Loop: 283#L518-5 call subseq_#t~mem2#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 284#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 287#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 288#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 285#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 283#L518-5 [2022-07-14 16:34:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-07-14 16:34:05,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:05,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427232974] [2022-07-14 16:34:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:05,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,393 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:05,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:05,428 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 1 times [2022-07-14 16:34:05,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:05,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968196075] [2022-07-14 16:34:05,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,438 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:05,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:05,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1034036476, now seen corresponding path program 1 times [2022-07-14 16:34:05,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:05,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773537307] [2022-07-14 16:34:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:05,659 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 16:34:05,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:34:05,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773537307] [2022-07-14 16:34:05,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773537307] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:34:05,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:34:05,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 16:34:05,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731037328] [2022-07-14 16:34:05,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:34:05,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:34:05,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 16:34:05,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-14 16:34:05,847 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 11 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 16:34:05,856 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 16:34:05,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:34:05,918 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2022-07-14 16:34:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 16:34:05,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2022-07-14 16:34:05,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:34:05,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2022-07-14 16:34:05,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-14 16:34:05,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-14 16:34:05,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-07-14 16:34:05,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:34:05,920 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-14 16:34:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-07-14 16:34:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-07-14 16:34:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-07-14 16:34:05,921 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-07-14 16:34:05,921 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-07-14 16:34:05,921 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 16:34:05,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-07-14 16:34:05,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:34:05,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:05,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:05,922 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:34:05,922 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:34:05,922 INFO L752 eck$LassoCheckResult]: Stem: 336#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 337#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 347#L530 assume !(main_~length1~0#1 < 1); 338#L530-2 assume !(main_~length2~0#1 < 1); 339#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 340#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 341#L539-4 main_~i~1#1 := 0; 332#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 333#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 334#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 335#L545-4 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_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 344#L518-5 [2022-07-14 16:34:05,922 INFO L754 eck$LassoCheckResult]: Loop: 344#L518-5 call subseq_#t~mem2#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 345#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 348#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 349#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 346#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 344#L518-5 [2022-07-14 16:34:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2022-07-14 16:34:05,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:05,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495357667] [2022-07-14 16:34:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:05,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,941 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:05,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 2 times [2022-07-14 16:34:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:05,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672977526] [2022-07-14 16:34:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:05,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,955 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:05,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:05,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1834913698, now seen corresponding path program 1 times [2022-07-14 16:34:05,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:05,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347341537] [2022-07-14 16:34:05,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:05,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:06,041 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 16:34:06,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:34:06,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347341537] [2022-07-14 16:34:06,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347341537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:34:06,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:34:06,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 16:34:06,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579374931] [2022-07-14 16:34:06,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:34:06,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:34:06,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 16:34:06,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 16:34:06,124 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:06,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:34:06,210 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-07-14 16:34:06,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 16:34:06,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2022-07-14 16:34:06,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:34:06,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 24 transitions. [2022-07-14 16:34:06,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-14 16:34:06,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-14 16:34:06,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-07-14 16:34:06,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:34:06,215 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-07-14 16:34:06,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-07-14 16:34:06,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-07-14 16:34:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 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 16:34:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-07-14 16:34:06,217 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-14 16:34:06,217 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-14 16:34:06,217 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-14 16:34:06,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-07-14 16:34:06,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-14 16:34:06,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:06,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:06,218 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:34:06,218 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 16:34:06,218 INFO L752 eck$LassoCheckResult]: Stem: 398#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 409#L530 assume !(main_~length1~0#1 < 1); 400#L530-2 assume !(main_~length2~0#1 < 1); 401#L533-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 402#L539-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 403#L539-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 404#L539-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 405#L539-4 main_~i~1#1 := 0; 394#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 395#L545-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 396#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 397#L545-4 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_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 406#L518-5 [2022-07-14 16:34:06,218 INFO L754 eck$LassoCheckResult]: Loop: 406#L518-5 call subseq_#t~mem2#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 407#L518-1 assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 410#L518-3 assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 411#L519 assume !(subseq_#t~mem5#1 == subseq_#t~mem6#1);havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1; 408#L519-2 subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 406#L518-5 [2022-07-14 16:34:06,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:06,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2022-07-14 16:34:06,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:06,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025572906] [2022-07-14 16:34:06,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:06,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:06,244 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:06,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:06,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:06,253 INFO L85 PathProgramCache]: Analyzing trace with hash 74536249, now seen corresponding path program 3 times [2022-07-14 16:34:06,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:06,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405194127] [2022-07-14 16:34:06,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:06,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:06,256 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:06,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:06,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1075475712, now seen corresponding path program 1 times [2022-07-14 16:34:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:06,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845017604] [2022-07-14 16:34:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:06,271 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:06,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:07,128 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:34:07,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:34:07,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:34:07,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:34:07,129 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:34:07,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:07,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:34:07,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:34:07,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-2.i_Iteration5_Lasso [2022-07-14 16:34:07,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:34:07,129 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:34:07,133 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 16:34:07,135 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 16:34:07,136 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 16:34:07,137 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 16:34:07,138 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 16:34:07,139 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 16:34:07,140 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 16:34:07,141 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 16:34:07,142 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 16:34:07,144 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 16:34:07,145 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 16:34:07,146 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 16:34:07,148 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 16:34:07,149 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 16:34:07,150 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 16:34:07,151 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 16:34:07,152 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 16:34:07,153 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 16:34:07,154 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 16:34:07,636 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 16:34:07,638 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 16:34:07,639 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 16:34:07,641 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 16:34:07,643 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 16:34:07,644 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 16:34:08,156 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:34:08,156 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:34:08,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,157 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 16:34:08,158 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 16:34:08,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:08,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:08,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,198 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 16:34:08,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,200 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 16:34:08,204 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 16:34:08,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,237 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 16:34:08,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,240 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 16:34:08,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,243 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 16:34:08,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,267 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 16:34:08,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,275 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 16:34:08,276 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 16:34:08,277 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 16:34:08,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:08,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,302 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 16:34:08,303 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 16:34:08,304 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 16:34:08,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:08,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,338 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 16:34:08,339 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 16:34:08,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:08,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:08,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-14 16:34:08,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,386 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 16:34:08,387 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 16:34:08,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,426 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 16:34:08,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,427 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 16:34:08,428 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 16:34:08,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:34:08,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:08,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,468 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 16:34:08,469 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 16:34:08,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:08,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:08,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,505 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 16:34:08,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,506 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 16:34:08,508 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 16:34:08,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,535 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 16:34:08,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,537 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 16:34:08,538 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 16:34:08,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:34:08,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,576 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 16:34:08,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,577 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 16:34:08,579 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 16:34:08,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:08,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,622 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 16:34:08,623 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 16:34:08,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,668 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 16:34:08,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,670 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 16:34:08,671 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 16:34:08,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:08,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,744 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 16:34:08,757 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 16:34:08,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:34:08,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:08,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,788 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 16:34:08,791 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 16:34:08,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:08,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,821 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 16:34:08,828 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 16:34:08,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:34:08,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:34:08,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:34:08,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:34:08,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,875 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 16:34:08,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,877 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 16:34:08,878 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 16:34:08,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:08,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:08,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:08,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:08,919 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 16:34:08,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:08,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:08,921 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 16:34:08,921 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 16:34:08,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:08,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:08,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:08,929 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-07-14 16:34:08,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:08,964 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2022-07-14 16:34:08,964 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-07-14 16:34:09,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:09,055 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 16:34:09,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,056 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 16:34:09,057 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 16:34:09,058 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 16:34:09,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:09,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:09,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:09,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:09,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:09,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:09,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:09,096 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 16:34:09,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,099 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 16:34:09,099 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 16:34:09,100 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 16:34:09,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:09,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:09,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:09,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:09,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:09,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:09,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:09,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-14 16:34:09,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,185 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 16:34:09,185 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 16:34:09,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:09,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:09,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:09,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:09,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:09,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:09,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:09,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:09,224 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 16:34:09,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,225 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 16:34:09,236 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 16:34:09,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:09,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:09,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:09,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:09,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:09,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:09,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:09,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:09,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-14 16:34:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,285 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 16:34:09,286 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 16:34:09,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:09,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:09,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:09,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:09,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:09,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:09,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:09,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:34:09,324 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 16:34:09,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,326 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 16:34:09,327 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 16:34:09,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:34:09,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:34:09,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:34:09,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:34:09,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:34:09,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:34:09,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:34:09,362 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:34:09,484 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2022-07-14 16:34:09,484 INFO L444 ModelExtractionUtils]: 24 out of 58 variables were initially zero. Simplification set additionally 31 variables to zero. [2022-07-14 16:34:09,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,485 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 16:34:09,486 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 16:34:09,487 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:34:09,493 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:34:09,494 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:34:09,494 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3, ULTIMATE.start_subseq_~pt~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3 - 1*ULTIMATE.start_subseq_~pt~0#1.offset Supporting invariants [] [2022-07-14 16:34:09,510 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 16:34:09,597 INFO L293 tatePredicateManager]: 25 out of 27 supporting invariants were superfluous and have been removed [2022-07-14 16:34:09,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:09,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 16:34:09,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:34:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:09,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 16:34:09,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:34:09,780 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 16:34:09,819 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 16:34:09,820 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-14 16:34:09,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:09,861 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 7 states. [2022-07-14 16:34:09,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:34:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-07-14 16:34:09,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 5 letters. [2022-07-14 16:34:09,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:09,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 18 letters. Loop has 5 letters. [2022-07-14 16:34:09,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:09,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 10 letters. [2022-07-14 16:34:09,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:34:09,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2022-07-14 16:34:09,868 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:34:09,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-07-14 16:34:09,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 16:34:09,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 16:34:09,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 16:34:09,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:34:09,868 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:34:09,869 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:34:09,869 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:34:09,869 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-14 16:34:09,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 16:34:09,869 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:34:09,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 16:34:09,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 04:34:09 BoogieIcfgContainer [2022-07-14 16:34:09,885 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 16:34:09,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 16:34:09,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 16:34:09,885 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 16:34:09,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:34:02" (3/4) ... [2022-07-14 16:34:09,888 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 16:34:09,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 16:34:09,888 INFO L158 Benchmark]: Toolchain (without parser) took 8205.36ms. Allocated memory was 90.2MB in the beginning and 172.0MB in the end (delta: 81.8MB). Free memory was 68.1MB in the beginning and 128.6MB in the end (delta: -60.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-07-14 16:34:09,889 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:34:09,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.61ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 58.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 16:34:09,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.79ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:34:09,890 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:34:09,890 INFO L158 Benchmark]: RCFGBuilder took 303.21ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 42.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-14 16:34:09,890 INFO L158 Benchmark]: BuchiAutomizer took 7448.15ms. Allocated memory was 90.2MB in the beginning and 172.0MB in the end (delta: 81.8MB). Free memory was 42.7MB in the beginning and 128.6MB in the end (delta: -85.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:34:09,890 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 172.0MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:34:09,891 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 90.2MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.61ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 58.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.79ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.21ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 42.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7448.15ms. Allocated memory was 90.2MB in the beginning and 172.0MB in the end (delta: 81.8MB). Free memory was 42.7MB in the beginning and 128.6MB in the end (delta: -85.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 172.0MB. Free memory is still 128.6MB. 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 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * pt and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.4s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 6.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 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, 128 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 79 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax111 hnf100 lsp84 ukn76 mio100 lsp48 div100 bol100 ite100 ukn100 eq178 hnf90 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 117ms VariablesStem: 6 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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 16:34:09,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE