./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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/termination-memory-alloca/diff-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:19:59,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:19:59,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:19:59,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:19:59,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:19:59,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:19:59,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:19:59,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:19:59,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:19:59,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:19:59,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:19:59,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:19:59,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:19:59,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:19:59,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:19:59,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:19:59,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:19:59,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:19:59,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:19:59,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:19:59,670 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:19:59,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:19:59,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:19:59,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:19:59,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:19:59,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:19:59,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:19:59,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:19:59,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:19:59,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:19:59,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:19:59,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:19:59,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:19:59,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:19:59,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:19:59,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:19:59,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:19:59,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:19:59,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:19:59,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:19:59,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:19:59,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:19:59,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:19:59,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:19:59,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:19:59,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:19:59,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:19:59,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:19:59,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:19:59,704 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:19:59,704 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:19:59,705 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:19:59,705 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:19:59,705 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:19:59,705 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:19:59,705 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:19:59,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:19:59,705 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:19:59,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:19:59,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:19:59,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:19:59,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:19:59,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:19:59,707 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:19:59,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf [2022-07-13 03:19:59,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:19:59,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:19:59,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:19:59,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:19:59,944 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:19:59,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2022-07-13 03:19:59,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16668144a/caf5ae1350df45b9b50421a48e584168/FLAGdfd014722 [2022-07-13 03:20:00,451 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:20:00,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2022-07-13 03:20:00,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16668144a/caf5ae1350df45b9b50421a48e584168/FLAGdfd014722 [2022-07-13 03:20:00,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16668144a/caf5ae1350df45b9b50421a48e584168 [2022-07-13 03:20:00,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:20:00,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:20:00,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:20:00,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:20:00,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:20:00,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:20:00" (1/1) ... [2022-07-13 03:20:00,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3933f633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:00, skipping insertion in model container [2022-07-13 03:20:00,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:20:00" (1/1) ... [2022-07-13 03:20:00,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:20:00,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:20:01,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:20:01,146 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:20:01,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:20:01,202 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:20:01,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01 WrapperNode [2022-07-13 03:20:01,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:20:01,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:20:01,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:20:01,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:20:01,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,251 INFO L137 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-07-13 03:20:01,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:20:01,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:20:01,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:20:01,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:20:01,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:20:01,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:20:01,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:20:01,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:20:01,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (1/1) ... [2022-07-13 03:20:01,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:01,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:01,332 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) [2022-07-13 03:20:01,345 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 [2022-07-13 03:20:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 03:20:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 03:20:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 03:20:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 03:20:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:20:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:20:01,440 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:20:01,442 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:20:01,679 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:20:01,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:20:01,684 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 03:20:01,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:20:01 BoogieIcfgContainer [2022-07-13 03:20:01,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:20:01,686 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:20:01,686 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:20:01,697 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:20:01,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:20:01,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:20:00" (1/3) ... [2022-07-13 03:20:01,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@418c664f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:20:01, skipping insertion in model container [2022-07-13 03:20:01,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:20:01,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:20:01" (2/3) ... [2022-07-13 03:20:01,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@418c664f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:20:01, skipping insertion in model container [2022-07-13 03:20:01,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:20:01,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:20:01" (3/3) ... [2022-07-13 03:20:01,702 INFO L354 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2022-07-13 03:20:01,759 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:20:01,759 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:20:01,759 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:20:01,759 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:20:01,759 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:20:01,760 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:20:01,760 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:20:01,760 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:20:01,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:20:01,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:20:01,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:20:01,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:20:01,787 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:20:01,787 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:20:01,787 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:20:01,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:20:01,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:20:01,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:20:01,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:20:01,792 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:20:01,792 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:20:01,799 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 14#L574true assume !(main_~Alen~0#1 < 1); 8#L574-2true assume !(main_~Blen~0#1 < 1); 12#L577-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 13#L554-2true [2022-07-13 03:20:01,800 INFO L754 eck$LassoCheckResult]: Loop: 13#L554-2true assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 9#L558-2true assume !true; 5#L557-2true assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 6#L564-1true diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 13#L554-2true [2022-07-13 03:20:01,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:01,812 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-13 03:20:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:01,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243665377] [2022-07-13 03:20:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:01,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:01,958 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:02,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2022-07-13 03:20:02,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267009439] [2022-07-13 03:20:02,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:02,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:20:02,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267009439] [2022-07-13 03:20:02,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267009439] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:20:02,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:20:02,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 03:20:02,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960728064] [2022-07-13 03:20:02,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:20:02,074 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 03:20:02,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:20:02,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 03:20:02,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 03:20:02,102 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:20:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:20:02,106 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2022-07-13 03:20:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 03:20:02,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2022-07-13 03:20:02,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:20:02,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2022-07-13 03:20:02,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-13 03:20:02,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-13 03:20:02,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2022-07-13 03:20:02,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:20:02,117 INFO L369 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-07-13 03:20:02,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2022-07-13 03:20:02,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-07-13 03:20:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:20:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2022-07-13 03:20:02,131 INFO L392 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-07-13 03:20:02,132 INFO L374 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2022-07-13 03:20:02,132 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:20:02,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2022-07-13 03:20:02,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:20:02,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:20:02,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:20:02,133 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:20:02,133 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:20:02,134 INFO L752 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 45#L574 assume !(main_~Alen~0#1 < 1); 44#L574-2 assume !(main_~Blen~0#1 < 1); 43#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 42#L554-2 [2022-07-13 03:20:02,134 INFO L754 eck$LassoCheckResult]: Loop: 42#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 41#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 38#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 39#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 42#L554-2 [2022-07-13 03:20:02,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,135 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-07-13 03:20:02,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825497304] [2022-07-13 03:20:02,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:02,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2022-07-13 03:20:02,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850477609] [2022-07-13 03:20:02,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,193 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:02,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2022-07-13 03:20:02,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034992086] [2022-07-13 03:20:02,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:02,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:20:02,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034992086] [2022-07-13 03:20:02,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034992086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:20:02,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:20:02,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 03:20:02,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455549032] [2022-07-13 03:20:02,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:20:02,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:20:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 03:20:02,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 03:20:02,486 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-07-13 03:20:02,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:20:02,529 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2022-07-13 03:20:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 03:20:02,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2022-07-13 03:20:02,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-07-13 03:20:02,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2022-07-13 03:20:02,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-07-13 03:20:02,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-07-13 03:20:02,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2022-07-13 03:20:02,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:20:02,535 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 18 transitions. [2022-07-13 03:20:02,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2022-07-13 03:20:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-07-13 03:20:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 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) [2022-07-13 03:20:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2022-07-13 03:20:02,537 INFO L392 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2022-07-13 03:20:02,538 INFO L374 stractBuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2022-07-13 03:20:02,538 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 03:20:02,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2022-07-13 03:20:02,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:20:02,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:20:02,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:20:02,539 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:20:02,539 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:20:02,539 INFO L752 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 82#L574 assume !(main_~Alen~0#1 < 1); 81#L574-2 assume !(main_~Blen~0#1 < 1); 79#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 78#L554-2 [2022-07-13 03:20:02,539 INFO L754 eck$LassoCheckResult]: Loop: 78#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 80#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 74#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 75#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 76#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 77#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 78#L554-2 [2022-07-13 03:20:02,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,540 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2022-07-13 03:20:02,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030678462] [2022-07-13 03:20:02,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,564 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2022-07-13 03:20:02,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262310782] [2022-07-13 03:20:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:02,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:20:02,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262310782] [2022-07-13 03:20:02,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262310782] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:20:02,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:20:02,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 03:20:02,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444723607] [2022-07-13 03:20:02,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:20:02,618 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 03:20:02,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:20:02,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 03:20:02,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 03:20:02,619 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-07-13 03:20:02,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:20:02,660 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2022-07-13 03:20:02,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 03:20:02,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2022-07-13 03:20:02,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2022-07-13 03:20:02,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2022-07-13 03:20:02,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-13 03:20:02,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-13 03:20:02,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2022-07-13 03:20:02,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:20:02,667 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-07-13 03:20:02,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2022-07-13 03:20:02,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2022-07-13 03:20:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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) [2022-07-13 03:20:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-07-13 03:20:02,672 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-13 03:20:02,672 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-13 03:20:02,672 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-13 03:20:02,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-07-13 03:20:02,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-13 03:20:02,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:20:02,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:20:02,675 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 03:20:02,675 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:20:02,675 INFO L752 eck$LassoCheckResult]: Stem: 109#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 110#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 120#L574 assume !(main_~Alen~0#1 < 1); 119#L574-2 assume !(main_~Blen~0#1 < 1); 117#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 116#L554-2 [2022-07-13 03:20:02,675 INFO L754 eck$LassoCheckResult]: Loop: 116#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 118#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 111#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 112#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 114#L557-2 assume !(0 == diff_~found~0#1); 115#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 116#L554-2 [2022-07-13 03:20:02,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,676 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2022-07-13 03:20:02,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908237248] [2022-07-13 03:20:02,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,697 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:02,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2022-07-13 03:20:02,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064685795] [2022-07-13 03:20:02,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,712 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:02,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2022-07-13 03:20:02,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:02,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662387050] [2022-07-13 03:20:02,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,737 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:02,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:03,656 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:20:03,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:20:03,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:20:03,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:20:03,661 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:20:03,662 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:03,662 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:20:03,662 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:20:03,662 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2022-07-13 03:20:03,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:20:03,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:20:03,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:03,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:03,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:03,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:04,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:20:04,616 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:20:04,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:04,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:04,623 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) [2022-07-13 03:20:04,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:04,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:04,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:04,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:04,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:04,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:04,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:04,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:04,646 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 [2022-07-13 03:20:04,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:04,669 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 [2022-07-13 03:20:04,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:04,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:04,671 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) [2022-07-13 03:20:04,674 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 [2022-07-13 03:20:04,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:04,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:04,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:04,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:04,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:04,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:04,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:04,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:04,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:04,734 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 [2022-07-13 03:20:04,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:04,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:04,736 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) [2022-07-13 03:20:04,737 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 [2022-07-13 03:20:04,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:04,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:04,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:04,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:04,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:04,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:04,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:04,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:04,800 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 [2022-07-13 03:20:04,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:04,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:04,802 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) [2022-07-13 03:20:04,807 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 [2022-07-13 03:20:04,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:04,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:04,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:04,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:04,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:04,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:04,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:04,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:04,857 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 [2022-07-13 03:20:04,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:04,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:04,859 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) [2022-07-13 03:20:04,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:04,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:04,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:04,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:04,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:04,875 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 [2022-07-13 03:20:04,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:04,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:04,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:04,913 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 [2022-07-13 03:20:04,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:04,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:04,915 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) [2022-07-13 03:20:04,916 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 [2022-07-13 03:20:04,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:04,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:04,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:04,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:04,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:04,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:04,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:04,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:04,955 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 [2022-07-13 03:20:04,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:04,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:04,956 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) [2022-07-13 03:20:04,957 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 [2022-07-13 03:20:04,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:04,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:04,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:04,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:04,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:04,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:04,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:04,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:05,017 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 [2022-07-13 03:20:05,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:05,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:05,019 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) [2022-07-13 03:20:05,023 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 [2022-07-13 03:20:05,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:05,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:05,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:05,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:05,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:05,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:05,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:05,059 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:20:05,109 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-07-13 03:20:05,109 INFO L444 ModelExtractionUtils]: 26 out of 40 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-13 03:20:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:05,136 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) [2022-07-13 03:20:05,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:20:05,194 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 [2022-07-13 03:20:05,206 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:20:05,207 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:20:05,207 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~A#1.offset, v_rep(select #length ULTIMATE.start_diff_~A#1.base)_1, ULTIMATE.start_diff_~i~0#1) = -1*ULTIMATE.start_diff_~A#1.offset + 1*v_rep(select #length ULTIMATE.start_diff_~A#1.base)_1 - 4*ULTIMATE.start_diff_~i~0#1 Supporting invariants [] [2022-07-13 03:20:05,228 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 [2022-07-13 03:20:05,280 INFO L293 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-07-13 03:20:05,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:05,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:20:05,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:05,352 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 [2022-07-13 03:20:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:05,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 03:20:05,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:05,401 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 [2022-07-13 03:20:05,401 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-13 03:20:05,434 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 21 states and 30 transitions. Complement of second has 6 states. [2022-07-13 03:20:05,435 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 [2022-07-13 03:20:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-13 03:20:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-07-13 03:20:05,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2022-07-13 03:20:05,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:05,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 6 letters. [2022-07-13 03:20:05,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:05,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 12 letters. [2022-07-13 03:20:05,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:05,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2022-07-13 03:20:05,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:20:05,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2022-07-13 03:20:05,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-13 03:20:05,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-13 03:20:05,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-07-13 03:20:05,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:20:05,444 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-13 03:20:05,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-07-13 03:20:05,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-07-13 03:20:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 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) [2022-07-13 03:20:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2022-07-13 03:20:05,448 INFO L392 hiAutomatonCegarLoop]: Abstraction has 16 states and 23 transitions. [2022-07-13 03:20:05,448 INFO L374 stractBuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2022-07-13 03:20:05,448 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-13 03:20:05,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2022-07-13 03:20:05,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:20:05,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:20:05,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:20:05,450 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:20:05,450 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:20:05,450 INFO L752 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 273#L574 assume !(main_~Alen~0#1 < 1); 272#L574-2 assume !(main_~Blen~0#1 < 1); 269#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 270#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 262#L558-2 [2022-07-13 03:20:05,450 INFO L754 eck$LassoCheckResult]: Loop: 262#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 261#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 262#L558-2 [2022-07-13 03:20:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:05,451 INFO L85 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2022-07-13 03:20:05,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:05,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365032950] [2022-07-13 03:20:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:05,462 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:05,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:05,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:05,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2022-07-13 03:20:05,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:05,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573336385] [2022-07-13 03:20:05,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:05,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:05,475 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:05,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:05,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:05,479 INFO L85 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2022-07-13 03:20:05,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:05,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251880938] [2022-07-13 03:20:05,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:05,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:05,498 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:05,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:06,201 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:20:06,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:20:06,201 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:20:06,201 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:20:06,201 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:20:06,201 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:06,201 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:20:06,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:20:06,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2022-07-13 03:20:06,202 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:20:06,202 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:20:06,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:06,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:07,164 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:20:07,165 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:20:07,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,166 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) [2022-07-13 03:20:07,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,191 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 [2022-07-13 03:20:07,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,223 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 [2022-07-13 03:20:07,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,225 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) [2022-07-13 03:20:07,227 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 [2022-07-13 03:20:07,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:07,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:07,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:07,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-07-13 03:20:07,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,251 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) [2022-07-13 03:20:07,252 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 [2022-07-13 03:20:07,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-13 03:20:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,300 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) [2022-07-13 03:20:07,301 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 [2022-07-13 03:20:07,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,327 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 [2022-07-13 03:20:07,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,330 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) [2022-07-13 03:20:07,333 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 [2022-07-13 03:20:07,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:07,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:07,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:07,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,356 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 [2022-07-13 03:20:07,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,358 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) [2022-07-13 03:20:07,358 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 [2022-07-13 03:20:07,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,385 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 [2022-07-13 03:20:07,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,387 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) [2022-07-13 03:20:07,387 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 [2022-07-13 03:20:07,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:07,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:07,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:07,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,411 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 [2022-07-13 03:20:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,412 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) [2022-07-13 03:20:07,413 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 [2022-07-13 03:20:07,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,471 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 [2022-07-13 03:20:07,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,473 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) [2022-07-13 03:20:07,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:07,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:07,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:07,487 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 [2022-07-13 03:20:07,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-13 03:20:07,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,512 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) [2022-07-13 03:20:07,513 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 [2022-07-13 03:20:07,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:07,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:07,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:07,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,538 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 [2022-07-13 03:20:07,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,539 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) [2022-07-13 03:20:07,540 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 [2022-07-13 03:20:07,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:07,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,547 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-13 03:20:07,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,547 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-13 03:20:07,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:07,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-13 03:20:07,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,565 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) [2022-07-13 03:20:07,570 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 [2022-07-13 03:20:07,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,625 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 [2022-07-13 03:20:07,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,626 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) [2022-07-13 03:20:07,627 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 [2022-07-13 03:20:07,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-13 03:20:07,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,676 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) [2022-07-13 03:20:07,677 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 [2022-07-13 03:20:07,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,742 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 [2022-07-13 03:20:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,744 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) [2022-07-13 03:20:07,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,761 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 [2022-07-13 03:20:07,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:07,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-13 03:20:07,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,793 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) [2022-07-13 03:20:07,795 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 [2022-07-13 03:20:07,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:07,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:07,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:07,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:07,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:07,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:07,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:07,837 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:20:07,878 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-07-13 03:20:07,878 INFO L444 ModelExtractionUtils]: 25 out of 73 variables were initially zero. Simplification set additionally 45 variables to zero. [2022-07-13 03:20:07,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:07,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:07,880 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) [2022-07-13 03:20:07,887 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:20:07,896 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 [2022-07-13 03:20:07,916 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:20:07,916 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:20:07,917 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2022-07-13 03:20:07,942 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 [2022-07-13 03:20:07,979 INFO L293 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-07-13 03:20:07,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:08,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:20:08,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:08,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 03:20:08,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:08,033 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 [2022-07-13 03:20:08,033 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-13 03:20:08,054 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 53 transitions. Complement of second has 7 states. [2022-07-13 03:20:08,054 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 [2022-07-13 03:20:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-13 03:20:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-07-13 03:20:08,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-13 03:20:08,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:08,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-13 03:20:08,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:08,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2022-07-13 03:20:08,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:08,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2022-07-13 03:20:08,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:20:08,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 39 transitions. [2022-07-13 03:20:08,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-13 03:20:08,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-07-13 03:20:08,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 39 transitions. [2022-07-13 03:20:08,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:20:08,064 INFO L369 hiAutomatonCegarLoop]: Abstraction has 27 states and 39 transitions. [2022-07-13 03:20:08,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 39 transitions. [2022-07-13 03:20:08,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2022-07-13 03:20:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:20:08,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2022-07-13 03:20:08,069 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-07-13 03:20:08,069 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-07-13 03:20:08,069 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-13 03:20:08,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2022-07-13 03:20:08,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-13 03:20:08,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:20:08,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:20:08,070 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:20:08,070 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:20:08,070 INFO L752 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 422#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 436#L574 assume !(main_~Alen~0#1 < 1); 435#L574-2 assume !(main_~Blen~0#1 < 1); 430#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 431#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 432#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 440#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 434#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 427#L557-2 assume !(0 == diff_~found~0#1); 428#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 429#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 424#L558-2 [2022-07-13 03:20:08,070 INFO L754 eck$LassoCheckResult]: Loop: 424#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 423#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 424#L558-2 [2022-07-13 03:20:08,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:08,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2022-07-13 03:20:08,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:08,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585092700] [2022-07-13 03:20:08,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:08,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:08,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:08,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:08,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:08,114 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2022-07-13 03:20:08,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:08,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406030691] [2022-07-13 03:20:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:08,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:08,130 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:08,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:08,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:08,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2022-07-13 03:20:08,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:20:08,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926593883] [2022-07-13 03:20:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:20:08,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:20:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:08,172 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:20:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:20:08,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:20:08,614 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 [2022-07-13 03:20:09,006 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:20:09,006 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:20:09,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:20:09,006 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:20:09,006 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:20:09,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:09,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:20:09,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:20:09,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration6_Lasso [2022-07-13 03:20:09,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:20:09,006 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:20:09,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:20:09,910 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:20:09,910 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:20:09,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:09,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:09,916 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) [2022-07-13 03:20:09,917 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 [2022-07-13 03:20:09,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:09,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:09,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:09,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:09,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:09,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:09,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:09,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:09,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-13 03:20:09,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:09,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:09,943 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) [2022-07-13 03:20:09,944 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 [2022-07-13 03:20:09,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:09,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:09,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:09,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:09,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:09,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:09,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:09,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:09,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-13 03:20:09,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:09,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:09,971 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) [2022-07-13 03:20:09,972 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 [2022-07-13 03:20:09,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:09,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:09,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:09,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:09,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:09,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:09,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:09,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:09,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:09,995 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 [2022-07-13 03:20:09,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:09,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:09,997 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) [2022-07-13 03:20:09,997 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 [2022-07-13 03:20:09,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:10,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:10,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-13 03:20:10,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,032 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) [2022-07-13 03:20:10,033 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 [2022-07-13 03:20:10,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:10,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:10,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:10,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-13 03:20:10,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,057 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) [2022-07-13 03:20:10,058 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 [2022-07-13 03:20:10,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:10,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:10,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:10,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-13 03:20:10,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,083 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) [2022-07-13 03:20:10,083 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 [2022-07-13 03:20:10,085 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 [2022-07-13 03:20:10,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:10,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:10,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:10,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-13 03:20:10,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,107 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) [2022-07-13 03:20:10,108 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 [2022-07-13 03:20:10,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:10,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:10,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,134 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 [2022-07-13 03:20:10,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,135 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) [2022-07-13 03:20:10,136 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 [2022-07-13 03:20:10,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:10,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:10,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-13 03:20:10,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,171 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) [2022-07-13 03:20:10,172 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 [2022-07-13 03:20:10,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:20:10,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:20:10,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:20:10,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-13 03:20:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,196 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) [2022-07-13 03:20:10,197 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 [2022-07-13 03:20:10,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:10,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:10,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,246 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 [2022-07-13 03:20:10,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,248 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) [2022-07-13 03:20:10,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:10,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:10,265 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 [2022-07-13 03:20:10,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:20:10,302 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 [2022-07-13 03:20:10,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,303 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) [2022-07-13 03:20:10,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:20:10,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:20:10,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:20:10,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:20:10,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:20:10,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:20:10,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:20:10,337 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 [2022-07-13 03:20:10,359 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:20:10,403 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-13 03:20:10,403 INFO L444 ModelExtractionUtils]: 15 out of 67 variables were initially zero. Simplification set additionally 49 variables to zero. [2022-07-13 03:20:10,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:20:10,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:20:10,405 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) [2022-07-13 03:20:10,406 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 [2022-07-13 03:20:10,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:20:10,428 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:20:10,428 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:20:10,428 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2022-07-13 03:20:10,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-13 03:20:10,491 INFO L293 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2022-07-13 03:20:10,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:10,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:20:10,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:10,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 03:20:10,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:10,549 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 [2022-07-13 03:20:10,549 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-07-13 03:20:10,562 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) Result 36 states and 51 transitions. Complement of second has 7 states. [2022-07-13 03:20:10,562 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 [2022-07-13 03:20:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-07-13 03:20:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-07-13 03:20:10,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-13 03:20:10,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:10,563 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:20:10,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:10,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:20:10,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:10,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 03:20:10,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:10,616 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-13 03:20:10,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-07-13 03:20:10,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) Result 36 states and 51 transitions. Complement of second has 7 states. [2022-07-13 03:20:10,628 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 [2022-07-13 03:20:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-07-13 03:20:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-07-13 03:20:10,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-13 03:20:10,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:10,630 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:20:10,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:20:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:10,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:20:10,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:20:10,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 03:20:10,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:20:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:20:10,685 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-13 03:20:10,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-07-13 03:20:10,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) Result 34 states and 51 transitions. Complement of second has 6 states. [2022-07-13 03:20:10,701 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 [2022-07-13 03:20:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2022-07-13 03:20:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2022-07-13 03:20:10,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-13 03:20:10,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:10,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-13 03:20:10,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:10,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 12 letters. Loop has 4 letters. [2022-07-13 03:20:10,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:20:10,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 51 transitions. [2022-07-13 03:20:10,704 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:20:10,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2022-07-13 03:20:10,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 03:20:10,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 03:20:10,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 03:20:10,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:20:10,704 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:20:10,705 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:20:10,705 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:20:10,705 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-13 03:20:10,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 03:20:10,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:20:10,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:20:10,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:20:10 BoogieIcfgContainer [2022-07-13 03:20:10,711 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:20:10,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:20:10,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:20:10,712 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:20:10,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:20:01" (3/4) ... [2022-07-13 03:20:10,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:20:10,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:20:10,715 INFO L158 Benchmark]: Toolchain (without parser) took 9899.14ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 60.9MB in the beginning and 84.3MB in the end (delta: -23.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-07-13 03:20:10,715 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:20:10,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.81ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 67.4MB in the end (delta: -6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 03:20:10,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.33ms. Allocated memory is still 98.6MB. Free memory was 67.4MB in the beginning and 65.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:20:10,716 INFO L158 Benchmark]: Boogie Preprocessor took 49.72ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:20:10,716 INFO L158 Benchmark]: RCFGBuilder took 382.33ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 52.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 03:20:10,716 INFO L158 Benchmark]: BuchiAutomizer took 9025.02ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 52.5MB in the beginning and 84.3MB in the end (delta: -31.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-07-13 03:20:10,717 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 144.7MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:20:10,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.81ms. Allocated memory is still 98.6MB. Free memory was 60.7MB in the beginning and 67.4MB in the end (delta: -6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.33ms. Allocated memory is still 98.6MB. Free memory was 67.4MB in the beginning and 65.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.72ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.33ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 52.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 9025.02ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 52.5MB in the beginning and 84.3MB in the end (delta: -31.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 144.7MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[A] + -4 * i + -1 * A and consists of 4 locations. One deterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. One nondeterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 8.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 113 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital260 mio100 ax106 hnf100 lsp84 ukn92 mio100 lsp51 div100 bol100 ite100 ukn100 eq186 hnf90 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2022-07-13 03:20:10,749 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 [2022-07-13 03:20:10,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE