./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.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 f7c8cd0f6441598a9b17eacee015376606f871a4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:34:44,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:34:44,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:34:44,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:34:44,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:34:44,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:34:44,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:34:44,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:34:44,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:34:44,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:34:44,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:34:44,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:34:44,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:34:44,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:34:44,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:34:44,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:34:44,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:34:44,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:34:44,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:34:44,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:34:44,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:34:44,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:34:44,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:34:44,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:34:44,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:34:44,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:34:44,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:34:44,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:34:44,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:34:44,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:34:44,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:34:44,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:34:44,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:34:44,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:34:44,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:34:44,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:34:44,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:34:44,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:34:44,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:34:44,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:34:44,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:34:44,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:34:44,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:34:44,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:34:44,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:34:44,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:34:44,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:34:44,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:34:44,704 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:34:44,704 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:34:44,704 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:34:44,704 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:34:44,705 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:34:44,705 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:34:44,706 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:34:44,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:34:44,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:34:44,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:34:44,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:34:44,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:34:44,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:34:44,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:34:44,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:34:44,714 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:34:44,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:34:44,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:34:44,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:34:44,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:34:44,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:34:44,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:34:44,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:34:44,717 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:34:44,717 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c8cd0f6441598a9b17eacee015376606f871a4 [2021-08-27 14:34:44,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:34:44,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:34:44,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:34:45,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:34:45,000 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:34:45,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2021-08-27 14:34:45,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24964bfd3/7ca1599b3a444b3f8b64a94e4abad7ac/FLAG4358452d2 [2021-08-27 14:34:45,438 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:34:45,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2021-08-27 14:34:45,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24964bfd3/7ca1599b3a444b3f8b64a94e4abad7ac/FLAG4358452d2 [2021-08-27 14:34:45,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24964bfd3/7ca1599b3a444b3f8b64a94e4abad7ac [2021-08-27 14:34:45,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:34:45,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:34:45,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:34:45,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:34:45,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:34:45,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304944af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45, skipping insertion in model container [2021-08-27 14:34:45,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:34:45,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:34:45,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:34:45,610 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:34:45,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:34:45,635 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:34:45,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45 WrapperNode [2021-08-27 14:34:45,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:34:45,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:34:45,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:34:45,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:34:45,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:34:45,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:34:45,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:34:45,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:34:45,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:34:45,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:34:45,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:34:45,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:34:45,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (1/1) ... [2021-08-27 14:34:45,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:45,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:45,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:45,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:34:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:34:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 14:34:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 14:34:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 14:34:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 14:34:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 14:34:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:34:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:34:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:34:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:34:46,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:34:46,155 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-27 14:34:46,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:34:46 BoogieIcfgContainer [2021-08-27 14:34:46,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:34:46,157 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:34:46,157 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:34:46,160 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:34:46,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:34:46,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:34:45" (1/3) ... [2021-08-27 14:34:46,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@790e34b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:34:46, skipping insertion in model container [2021-08-27 14:34:46,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:34:46,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:45" (2/3) ... [2021-08-27 14:34:46,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@790e34b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:34:46, skipping insertion in model container [2021-08-27 14:34:46,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:34:46,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:34:46" (3/3) ... [2021-08-27 14:34:46,164 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex5.i [2021-08-27 14:34:46,209 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:34:46,209 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:34:46,209 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:34:46,209 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:34:46,210 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:34:46,210 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:34:46,210 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:34:46,210 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:34:46,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 14:34:46,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 14:34:46,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:46,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:46,244 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 14:34:46,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:46,244 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:34:46,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 14:34:46,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 14:34:46,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:46,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:46,247 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 14:34:46,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:46,253 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 16#L-1true havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;havoc main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;havoc main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 14#L63true assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 12#L63-2true assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 9#L66true call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 17#fENTRYtrue [2021-08-27 14:34:46,254 INFO L793 eck$LassoCheckResult]: Loop: 17#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 23#L17true assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 20#L25true call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 18#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 6#L34true assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 13#gFINALtrue assume true; 22#gEXITtrue >#37#return; 10#L25-1true call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 17#fENTRYtrue [2021-08-27 14:34:46,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:46,259 INFO L82 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 1 times [2021-08-27 14:34:46,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:46,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931211507] [2021-08-27 14:34:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:46,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:46,364 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:46,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:46,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:46,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1513071857, now seen corresponding path program 1 times [2021-08-27 14:34:46,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:46,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609671200] [2021-08-27 14:34:46,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:46,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 14:34:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:46,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:34:46,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609671200] [2021-08-27 14:34:46,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609671200] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:34:46,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:34:46,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 14:34:46,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670914519] [2021-08-27 14:34:46,668 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:34:46,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:34:46,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 14:34:46,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-27 14:34:46,688 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 14:34:46,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:34:46,833 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2021-08-27 14:34:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 14:34:46,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-08-27 14:34:46,837 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 14:34:46,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 17 states and 20 transitions. [2021-08-27 14:34:46,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-27 14:34:46,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-27 14:34:46,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-08-27 14:34:46,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:34:46,848 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-08-27 14:34:46,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-08-27 14:34:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-08-27 14:34:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 14:34:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-08-27 14:34:46,871 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-08-27 14:34:46,872 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-08-27 14:34:46,872 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:34:46,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-08-27 14:34:46,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 14:34:46,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:46,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:46,876 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 14:34:46,876 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:46,877 INFO L791 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 69#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;havoc main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;havoc main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 75#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 73#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 70#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 71#fENTRY [2021-08-27 14:34:46,877 INFO L793 eck$LassoCheckResult]: Loop: 71#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 78#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 65#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 79#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 64#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 66#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 79#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 64#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 67#gFINAL assume true; 74#gEXIT >#41#return; 76#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 77#gFINAL assume true; 80#gEXIT >#37#return; 72#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 71#fENTRY [2021-08-27 14:34:46,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:46,878 INFO L82 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 2 times [2021-08-27 14:34:46,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:46,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578291641] [2021-08-27 14:34:46,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:46,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:46,912 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:46,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:46,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:46,939 INFO L82 PathProgramCache]: Analyzing trace with hash 916774883, now seen corresponding path program 1 times [2021-08-27 14:34:46,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:46,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247575661] [2021-08-27 14:34:46,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:46,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:47,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 14:34:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 14:34:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 14:34:47,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:34:47,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247575661] [2021-08-27 14:34:47,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247575661] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:34:47,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167950235] [2021-08-27 14:34:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:47,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:34:47,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:47,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:34:47,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-27 14:34:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:47,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-27 14:34:47,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:47,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-08-27 14:34:47,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 14:34:47,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167950235] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:34:47,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:34:47,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-08-27 14:34:47,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183707932] [2021-08-27 14:34:47,846 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:34:47,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:34:47,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-27 14:34:47,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-08-27 14:34:47,849 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 15 states, 10 states have (on average 1.7) internal successors, (17), 12 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 14:34:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:34:48,083 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-08-27 14:34:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 14:34:48,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-08-27 14:34:48,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 14:34:48,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2021-08-27 14:34:48,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-27 14:34:48,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-27 14:34:48,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-08-27 14:34:48,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:34:48,090 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-08-27 14:34:48,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-08-27 14:34:48,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-08-27 14:34:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 14:34:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-08-27 14:34:48,095 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-08-27 14:34:48,095 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-08-27 14:34:48,095 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:34:48,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-08-27 14:34:48,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-08-27 14:34:48,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:48,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:48,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 14:34:48,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:48,100 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;havoc main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;havoc main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 191#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 190#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 185#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 186#fENTRY [2021-08-27 14:34:48,100 INFO L793 eck$LassoCheckResult]: Loop: 186#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 195#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 181#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 194#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 180#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 182#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 194#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 180#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 182#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 194#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 180#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 183#gFINAL assume true; 189#gEXIT >#41#return; 192#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 193#gFINAL assume true; 199#gEXIT >#41#return; 197#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 198#gFINAL assume true; 196#gEXIT >#37#return; 184#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 186#fENTRY [2021-08-27 14:34:48,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:48,101 INFO L82 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 3 times [2021-08-27 14:34:48,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:48,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891476286] [2021-08-27 14:34:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:48,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:48,128 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:48,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:48,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:48,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1267451407, now seen corresponding path program 2 times [2021-08-27 14:34:48,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:48,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667396184] [2021-08-27 14:34:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:48,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:48,161 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:48,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:48,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:48,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2054594769, now seen corresponding path program 1 times [2021-08-27 14:34:48,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:48,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901043507] [2021-08-27 14:34:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:48,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:48,195 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:48,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:51,795 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:34:51,795 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:34:51,795 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:34:51,795 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:34:51,796 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:34:51,796 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:51,796 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:34:51,796 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:34:51,796 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration3_Lasso [2021-08-27 14:34:51,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:34:51,796 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:34:51,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,763 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:34:52,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:34:52,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:52,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 14:34:52,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,830 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 [2021-08-27 14:34:52,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:52,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 14:34:52,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,893 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 [2021-08-27 14:34:52,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:52,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:34:52,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:52,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:52,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:34:52,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-27 14:34:52,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,961 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:52,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:34:52,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-27 14:34:52,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,988 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:52,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:34:52,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:53,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,025 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:53,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:34:53,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:53,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:53,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:53,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,053 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:53,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:34:53,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,097 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 [2021-08-27 14:34:53,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,099 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:53,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:34:53,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:53,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:34:53,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,177 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:53,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:34:53,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,200 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:34:53,209 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-08-27 14:34:53,209 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-08-27 14:34:53,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,230 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:53,231 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:34:53,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:34:53,253 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:34:53,253 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:34:53,254 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~v) = 2*f_#in~v + 1 Supporting invariants [] [2021-08-27 14:34:53,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,280 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-08-27 14:34:53,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:53,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 14:34:53,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:53,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 14:34:53,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:53,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-27 14:34:53,632 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-08-27 14:34:53,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:53,731 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 63 states and 72 transitions. Complement of second has 15 states. [2021-08-27 14:34:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:34:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-08-27 14:34:53,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 20 letters. [2021-08-27 14:34:53,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:53,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 25 letters. Loop has 20 letters. [2021-08-27 14:34:53,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:53,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 40 letters. [2021-08-27 14:34:53,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:53,737 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 72 transitions. [2021-08-27 14:34:53,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:53,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 40 states and 47 transitions. [2021-08-27 14:34:53,741 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-08-27 14:34:53,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-08-27 14:34:53,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 47 transitions. [2021-08-27 14:34:53,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:34:53,742 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2021-08-27 14:34:53,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 47 transitions. [2021-08-27 14:34:53,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2021-08-27 14:34:53,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-08-27 14:34:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2021-08-27 14:34:53,745 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-08-27 14:34:53,745 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-08-27 14:34:53,745 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:34:53,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2021-08-27 14:34:53,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:53,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:53,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:53,746 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:53,747 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:34:53,747 INFO L791 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 390#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;havoc main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;havoc main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 395#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 394#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 387#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 391#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 400#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 380#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 397#gENTRY [2021-08-27 14:34:53,747 INFO L793 eck$LassoCheckResult]: Loop: 397#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 379#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 381#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 397#gENTRY [2021-08-27 14:34:53,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:53,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1845692449, now seen corresponding path program 1 times [2021-08-27 14:34:53,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:53,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88929246] [2021-08-27 14:34:53,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:53,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:53,758 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:53,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:53,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:53,768 INFO L82 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 1 times [2021-08-27 14:34:53,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:53,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8759093] [2021-08-27 14:34:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:53,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:53,772 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:53,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:53,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:53,776 INFO L82 PathProgramCache]: Analyzing trace with hash -852415675, now seen corresponding path program 1 times [2021-08-27 14:34:53,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:53,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107883334] [2021-08-27 14:34:53,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:53,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:53,785 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:53,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:55,333 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:34:55,333 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:34:55,333 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:34:55,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:34:55,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:34:55,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:55,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:34:55,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:34:55,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration4_Lasso [2021-08-27 14:34:55,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:34:55,333 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:34:55,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:56,021 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:34:56,021 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:34:56,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,030 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:34:56,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,058 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 14:34:56,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,088 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 14:34:56,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,120 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 14:34:56,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-08-27 14:34:56,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,151 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 14:34:56,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,179 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 [2021-08-27 14:34:56,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,180 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 14:34:56,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,213 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 14:34:56,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,241 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-27 14:34:56,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,274 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 14:34:56,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,301 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 [2021-08-27 14:34:56,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,302 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 14:34:56,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-27 14:34:56,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,346 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 14:34:56,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,386 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 14:34:56,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:56,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:56,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-27 14:34:56,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,428 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 14:34:56,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,456 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) [2021-08-27 14:34:56,457 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 [2021-08-27 14:34:56,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,481 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 [2021-08-27 14:34:56,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,482 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 14:34:56,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,511 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 14:34:56,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,537 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 14:34:56,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,562 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 [2021-08-27 14:34:56,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,562 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 14:34:56,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,594 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 14:34:56,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,630 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 [2021-08-27 14:34:56,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,631 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 14:34:56,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-08-27 14:34:56,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,659 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 14:34:56,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-08-27 14:34:56,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,685 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 14:34:56,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,713 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 14:34:56,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,737 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 [2021-08-27 14:34:56,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,738 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 14:34:56,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 14:34:56,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,763 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 14:34:56,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-27 14:34:56,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,790 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 14:34:56,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,816 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 [2021-08-27 14:34:56,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,817 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 14:34:56,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 14:34:56,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,861 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 14:34:56,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-27 14:34:56,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,887 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 14:34:56,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:56,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:56,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,933 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 14:34:56,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,994 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:56,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 14:34:56,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:57,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:57,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:57,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:57,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:57,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:57,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:57,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:57,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:57,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:57,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:57,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:57,020 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:57,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 14:34:57,024 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 [2021-08-27 14:34:57,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:57,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:57,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:57,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:57,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:57,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:57,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:57,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:57,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:57,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:57,083 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:57,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 14:34:57,085 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 [2021-08-27 14:34:57,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:57,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:57,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:57,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:57,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:57,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:57,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:57,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-27 14:34:57,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:57,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:57,124 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:57,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 14:34:57,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:57,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:57,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:57,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:57,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:57,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:57,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:57,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:57,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:57,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:57,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:57,154 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:57,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 14:34:57,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:57,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:57,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:57,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:57,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:57,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:57,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:57,169 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:34:57,179 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-08-27 14:34:57,179 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-08-27 14:34:57,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:57,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:57,182 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:57,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 14:34:57,184 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:34:57,193 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:34:57,194 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:34:57,194 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_1) = 2*v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_1 + 1 Supporting invariants [] [2021-08-27 14:34:57,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-08-27 14:34:57,211 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-08-27 14:34:57,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:57,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:34:57,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:57,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 14:34:57,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:57,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-08-27 14:34:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:57,331 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 14:34:57,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:34:57,381 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 66 transitions. Complement of second has 15 states. [2021-08-27 14:34:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:34:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:34:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-08-27 14:34:57,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2021-08-27 14:34:57,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:57,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2021-08-27 14:34:57,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:57,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. [2021-08-27 14:34:57,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:57,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 66 transitions. [2021-08-27 14:34:57,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:57,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 40 states and 48 transitions. [2021-08-27 14:34:57,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-27 14:34:57,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-27 14:34:57,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2021-08-27 14:34:57,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:34:57,386 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-08-27 14:34:57,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2021-08-27 14:34:57,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-08-27 14:34:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 29 states have internal predecessors, (30), 10 states have call successors, (10), 7 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2021-08-27 14:34:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2021-08-27 14:34:57,390 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-08-27 14:34:57,390 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-08-27 14:34:57,390 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 14:34:57,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2021-08-27 14:34:57,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:57,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:57,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:57,392 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:57,392 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:34:57,392 INFO L791 eck$LassoCheckResult]: Stem: 547#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 548#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;havoc main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;havoc main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 555#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 554#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 545#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 549#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 559#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 542#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 563#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 541#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 543#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 574#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 572#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 557#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 574#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 570#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 571#gFINAL assume true; 577#gEXIT >#41#return; 556#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 558#gFINAL assume true; 569#gEXIT >#41#return; 568#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 567#gFINAL assume true; 565#gEXIT >#37#return; 544#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 546#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 560#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 539#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 562#gENTRY [2021-08-27 14:34:57,393 INFO L793 eck$LassoCheckResult]: Loop: 562#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 538#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 540#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 562#gENTRY [2021-08-27 14:34:57,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:57,393 INFO L82 PathProgramCache]: Analyzing trace with hash -853827823, now seen corresponding path program 2 times [2021-08-27 14:34:57,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:57,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693656380] [2021-08-27 14:34:57,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:57,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:57,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:57,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-08-27 14:34:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 14:34:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 14:34:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-27 14:34:57,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:34:57,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693656380] [2021-08-27 14:34:57,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693656380] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:34:57,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35814772] [2021-08-27 14:34:57,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 14:34:57,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:34:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:57,626 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:34:57,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-08-27 14:34:57,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 14:34:57,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 14:34:57,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-27 14:34:57,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:57,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-27 14:34:58,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-08-27 14:34:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-27 14:34:58,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35814772] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:34:58,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:34:58,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-08-27 14:34:58,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644247496] [2021-08-27 14:34:58,109 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:34:58,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:58,109 INFO L82 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 2 times [2021-08-27 14:34:58,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:58,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999886889] [2021-08-27 14:34:58,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:58,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,114 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:58,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:34:58,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-27 14:34:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-08-27 14:34:58,298 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. cyclomatic complexity: 12 Second operand has 20 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 16 states have internal predecessors, (27), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 14:34:58,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:34:58,522 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2021-08-27 14:34:58,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 14:34:58,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 67 transitions. [2021-08-27 14:34:58,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:58,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 46 states and 58 transitions. [2021-08-27 14:34:58,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-27 14:34:58,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-27 14:34:58,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2021-08-27 14:34:58,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:34:58,526 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-08-27 14:34:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2021-08-27 14:34:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2021-08-27 14:34:58,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 10 states have call successors, (10), 7 states have call predecessors, (10), 5 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2021-08-27 14:34:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2021-08-27 14:34:58,531 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-08-27 14:34:58,531 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-08-27 14:34:58,531 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 14:34:58,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 52 transitions. [2021-08-27 14:34:58,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:58,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:58,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:58,533 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:58,533 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:34:58,533 INFO L791 eck$LassoCheckResult]: Stem: 782#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 783#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;havoc main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;havoc main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 793#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 792#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 784#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 785#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 799#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 803#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 804#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 811#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 779#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 802#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 810#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 780#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 802#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 810#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 780#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 802#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 778#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset;havoc #t~malloc6.base, #t~malloc6.offset; 781#gFINAL assume true; 817#gEXIT >#41#return; 794#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 788#gFINAL assume true; 791#gEXIT >#41#return; 805#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 815#gFINAL assume true; 809#gEXIT >#41#return; 808#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset;havoc #t~malloc10.base, #t~malloc10.offset; 807#gFINAL assume true; 806#gEXIT >#37#return; 786#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 787#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 800#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 777#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 795#gENTRY [2021-08-27 14:34:58,533 INFO L793 eck$LassoCheckResult]: Loop: 795#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 775#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 776#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 795#gENTRY [2021-08-27 14:34:58,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:58,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1079381827, now seen corresponding path program 3 times [2021-08-27 14:34:58,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:58,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198182841] [2021-08-27 14:34:58,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:58,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,551 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:58,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:58,579 INFO L82 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 3 times [2021-08-27 14:34:58,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:58,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196584960] [2021-08-27 14:34:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:58,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,583 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:58,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:58,587 INFO L82 PathProgramCache]: Analyzing trace with hash 556146087, now seen corresponding path program 4 times [2021-08-27 14:34:58,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:58,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37665614] [2021-08-27 14:34:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:58,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,604 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:58,626 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:35:07,139 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:35:07,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:35:07,140 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:35:07,140 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:35:07,140 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:35:07,140 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:35:07,140 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:35:07,140 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:35:07,140 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration6_Lasso [2021-08-27 14:35:07,140 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:35:07,140 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:35:07,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:35:07,847 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-08-27 14:35:26,939 WARN L207 SmtUtils]: Spent 19.05 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-08-27 14:35:27,096 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:35:27,097 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:35:27,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:35:27,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:35:27,105 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:35:27,109 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 [2021-08-27 14:35:27,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:35:27,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:35:27,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:35:27,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:35:27,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:35:27,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:35:27,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:35:27,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 14:35:27,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:35:27,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-27 14:35:27,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:35:27,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:35:27,156 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:35:27,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-27 14:35:27,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:35:27,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:35:27,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:35:27,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:35:27,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:35:27,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:35:27,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:35:27,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:35:27,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:35:27,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-08-27 14:35:27,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:35:27,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:35:27,246 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:35:27,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-27 14:35:27,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:35:27,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:35:27,258 INFO L203 nArgumentSynthesizer]: 256 stem disjuncts [2021-08-27 14:35:27,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:35:27,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:35:27,713 INFO L401 nArgumentSynthesizer]: We have 516 Motzkin's Theorem applications. [2021-08-27 14:35:27,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:35:28,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:35:28,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-27 14:35:28,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:35:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:35:28,185 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:35:28,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-27 14:35:28,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:35:28,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:35:28,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:35:28,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:35:28,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:35:28,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:35:28,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:35:28,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:35:28,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-08-27 14:35:28,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:35:28,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:35:28,217 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:35:28,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-27 14:35:28,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:35:28,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:35:28,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:35:28,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:35:28,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:35:28,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:35:28,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:35:28,240 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:35:28,258 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-27 14:35:28,258 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-08-27 14:35:28,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:35:28,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:35:28,259 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:35:28,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-27 14:35:28,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:35:28,293 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:35:28,293 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:35:28,293 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_2) = 2*v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_2 + 1 Supporting invariants [] [2021-08-27 14:35:28,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-27 14:35:28,319 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-08-27 14:35:28,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:35:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:35:28,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 14:35:28,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:35:28,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-27 14:35:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:35:28,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 14:35:28,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:35:28,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-08-27 14:35:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:35:29,009 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-08-27 14:35:29,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:35:29,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 15 states. [2021-08-27 14:35:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:35:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:35:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-08-27 14:35:29,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 34 letters. Loop has 3 letters. [2021-08-27 14:35:29,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:35:29,089 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:35:29,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:35:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:35:29,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 14:35:29,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:35:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:35:29,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 14:35:29,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:35:29,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-08-27 14:35:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:35:29,676 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2021-08-27 14:35:29,676 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:35:29,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 50 states and 59 transitions. Complement of second has 15 states. [2021-08-27 14:35:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:35:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:35:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-08-27 14:35:29,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 34 letters. Loop has 3 letters. [2021-08-27 14:35:29,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:35:29,741 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:35:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:35:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:35:29,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 14:35:29,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:35:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:35:30,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 14:35:30,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:35:30,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-08-27 14:35:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:35:30,375 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-08-27 14:35:30,376 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:35:30,453 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 64 states and 73 transitions. Complement of second has 15 states. [2021-08-27 14:35:30,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:35:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:35:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-08-27 14:35:30,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 34 letters. Loop has 3 letters. [2021-08-27 14:35:30,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:35:30,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 37 letters. Loop has 3 letters. [2021-08-27 14:35:30,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:35:30,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 34 letters. Loop has 6 letters. [2021-08-27 14:35:30,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:35:30,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 73 transitions. [2021-08-27 14:35:30,458 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:35:30,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2021-08-27 14:35:30,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:35:30,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:35:30,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:35:30,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:35:30,459 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:35:30,459 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:35:30,459 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:35:30,459 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 14:35:30,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:35:30,459 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:35:30,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:35:30,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:35:30 BoogieIcfgContainer [2021-08-27 14:35:30,464 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:35:30,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:35:30,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:35:30,465 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:35:30,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:34:46" (3/4) ... [2021-08-27 14:35:30,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:35:30,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:35:30,468 INFO L168 Benchmark]: Toolchain (without parser) took 45004.33 ms. Allocated memory was 48.2 MB in the beginning and 281.0 MB in the end (delta: 232.8 MB). Free memory was 23.9 MB in the beginning and 138.8 MB in the end (delta: -114.9 MB). Peak memory consumption was 116.2 MB. Max. memory is 16.1 GB. [2021-08-27 14:35:30,468 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 39.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:35:30,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.84 ms. Allocated memory is still 48.2 MB. Free memory was 23.7 MB in the beginning and 25.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-08-27 14:35:30,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.65 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.6 MB in the beginning and 42.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-08-27 14:35:30,469 INFO L168 Benchmark]: Boogie Preprocessor took 40.28 ms. Allocated memory is still 58.7 MB. Free memory was 42.2 MB in the beginning and 41.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:35:30,470 INFO L168 Benchmark]: RCFGBuilder took 408.66 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 38.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-08-27 14:35:30,470 INFO L168 Benchmark]: BuchiAutomizer took 44307.23 ms. Allocated memory was 58.7 MB in the beginning and 281.0 MB in the end (delta: 222.3 MB). Free memory was 37.8 MB in the beginning and 138.8 MB in the end (delta: -101.1 MB). Peak memory consumption was 119.4 MB. Max. memory is 16.1 GB. [2021-08-27 14:35:30,470 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 281.0 MB. Free memory is still 138.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:35:30,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 39.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 170.84 ms. Allocated memory is still 48.2 MB. Free memory was 23.7 MB in the beginning and 25.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.65 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.6 MB in the beginning and 42.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.28 ms. Allocated memory is still 58.7 MB. Free memory was 42.2 MB in the beginning and 41.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 408.66 ms. Allocated memory is still 58.7 MB. Free memory was 41.0 MB in the beginning and 38.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 44307.23 ms. Allocated memory was 58.7 MB in the beginning and 281.0 MB in the end (delta: 222.3 MB). Free memory was 37.8 MB in the beginning and 138.8 MB in the end (delta: -101.1 MB). Peak memory consumption was 119.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.73 ms. Allocated memory is still 281.0 MB. Free memory is still 138.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * \old(v) + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.2s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 40.7s. Construction of modules took 0.3s. Büchi inclusion checks took 3.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 31.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 43 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 14/14 HoareTripleCheckerStatistics: 115 SDtfs, 88 SDslu, 277 SDs, 0 SdLazy, 377 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 367.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital394 mio100 ax100 hnf100 lsp98 ukn38 mio100 lsp33 div100 bol100 ite100 ukn100 eq164 hnf96 smp100 dnf5577 smp76 tf100 neg83 sie161 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 906ms VariablesStem: 9 VariablesLoop: 2 DisjunctsStem: 256 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 516 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:35:30,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2021-08-27 14:35:30,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-08-27 14:35:30,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...